NEET 2017 · Chemistry

NEET 2017 Chemistry Questions with Solutions

The NEET 2017 paper had 44 Chemistry questions from 22 chapters.

Chemical Bonding and Molecular Structure had the most questions (5), followed by Coordination Compounds with 4.

11 questions below have the answer and explanation free; the other 33 are in Premium.

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Chemistry questions: 44
Chapters covered: 22
Solved free here: 11 of 44
Easy / Medium / Hard: 11 / 24 / 9

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Chapter-wise: NEET 2017 Chemistry

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All 44 NEET 2017 Chemistry questions

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Question 1 (NEET 2017, Q136)
EquilibriumHard
The equilibrium constants of the following reactions are:
1. Option A: Option (1)
2. Option B: Option (2)
3. Option C: Option (3)
4. Option D: Option (4)
The answer and explanation for this question are in NEET MIND Premium.
Question 2 (NEET 2017, Q137)
Alcohols, Phenols and EthersEasy
The heating of phenyl-methyl ether with HI produces:
1. Option A: Benzene
2. Option B: Ethyl chloride
3. Option C: Iodobenzene
4. Option D: Phenol
The answer and explanation for this question are in NEET MIND Premium.
Question 3 (NEET 2017, Q138)
Alcohols, Phenols and EthersMedium
The most suitable method for separation of a $1:1$ mixture of ortho and para-nitrophenols is:
1. Option A: Steam distillation
2. Option B: Sublimation
3. Option C: Chromatography
4. Option D: Crystallisation
The answer and explanation for this question are in NEET MIND Premium.
Question 4 (NEET 2017, Q139)
HydrocarbonsHard
Predict the correct intermediate and product in the following reaction:
1. Option A: Option (1)
2. Option B: Option (2)
3. Option C: Option (3)
4. Option D: Option (4)
The answer and explanation for this question are in NEET MIND Premium.
Question 5 (NEET 2017, Q140)
AminesMedium
Which of the following reactions is appropriate for converting acetamide to methanamine?
1. Option A: Gabriel phthalimide synthesis
2. Option B: Carbylamine reaction
3. Option C: Hofmann bromamide reaction
4. Option D: Stephen's reaction
The answer and explanation for this question are in NEET MIND Premium.
Question 6 (NEET 2017, Q141)
Aldehydes, Ketones and Carboxylic AcidsHard
The IUPAC name of the following compound is ___________:
1. Option A: 3-keto-2-methylhex-5-enal
2. Option B: 3-keto-2-methylhex-4-enal
3. Option C: 5-formylhex-2-en-3-one
4. Option D: 5-methyl-4-oxohex-2-en-5-al
Show answer & explanationHide answer & explanation
Correct answer: (B) 3-keto-2-methylhex-4-enal
Explanation
Aldehyde has higher priority than ketone and alkene, so numbering starts from the aldehyde carbon. The parent chain contains six carbons with: - aldehyde at carbon 1, - ketone group at carbon 3, - methyl substituent at carbon 2, - double bond between carbons 4 and 5. Hence, the IUPAC name is: $3\text{-keto-2-methylhex-4-enal}$
Question 7 (NEET 2017, Q142)
Environmental ChemistryEasy
Which of the following is a sink for CO?
1. Option A: Plants
2. Option B: Haemoglobin
3. Option C: Micro-organisms present in the soil
4. Option D: Oceans
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Correct answer: (C) Micro-organisms present in the soil
Explanation
Micro-organisms present in soil oxidize carbon monoxide and act as an important natural sink for CO.
Question 8 (NEET 2017, Q143)
Aldehydes, Ketones and Carboxylic AcidsMedium
Of the following, which is the product formed when cyclohexanone undergoes aldol condensation followed by heating?
1. Option A: Option (1)
2. Option B: Option (2)
3. Option C: Option (3)
4. Option D: Option (4)
The answer and explanation for this question are in NEET MIND Premium.
Question 9 (NEET 2017, Q144)
Chemical Bonding and Molecular StructureMedium
Which of the following pairs of compounds is isoelectronic and isostructural?
1. Option A: $IF_3, XeF_2$
2. Option B: $BeCl_2, XeF_2$
3. Option C: $TeI_2, XeF_2$
4. Option D: $IBr_2^{-}, XeF_2$
The answer and explanation for this question are in NEET MIND Premium.
Question 10 (NEET 2017, Q145)
Aldehydes, Ketones and Carboxylic AcidsHard
Consider the following reactions and identify $A$ , $X$ , $Y$ and $Z$ :
1. Option A: A-Ethanol, X-Acetaldehyde, Y-Butanone, Z-Hydrazone
2. Option B: A-Methoxy methane, X-Ethanoic acid, Y-Acetate ion, Z-hydrazine
3. Option C: A-Methoxy methane, X-Ethanol, Y-Ethanoic acid, Z-Semicarbazide
4. Option D: A-Ethanal, X-Ethanol, Y-But-2-enal, Z-Semicarbazone
The answer and explanation for this question are in NEET MIND Premium.
Question 11 (NEET 2017, Q146)
Alcohols, Phenols and EthersMedium
Which one of the following compounds is the most acidic?
1. Option A: Option (1)
2. Option B: Option (2)
3. Option C: Option (3)
4. Option D: Option (4)
The answer and explanation for this question are in NEET MIND Premium.
Question 12 (NEET 2017, Q147)
Redox ReactionsEasy
Name the gas that can readily decolourise acidified $KMnO_4$ solution:
1. Option A: $P_2O_5$
2. Option B: $CO_2$
3. Option C: $SO_2$
4. Option D: $NO_2$
Show answer & explanationHide answer & explanation
Correct answer: (C) $SO_2$
Explanation
$SO_2$ acts as a reducing agent and readily decolourises acidified potassium permanganate solution by reducing $MnO_4^-$ to $Mn^{2+}$ .
Question 13 (NEET 2017, Q148)
HydrocarbonsHard
Which one is the correct order of acidity?
1. Option A: Option (1)
2. Option B: Option (2)
3. Option C: Option (3)
4. Option D: Option (4)
The answer and explanation for this question are in NEET MIND Premium.
Question 14 (NEET 2017, Q149)
EquilibriumMedium
Concentration of the $Ag^+$ ions in a saturated solution of $Ag_2C_2O_4$ is $2.2 \times 10^{-4}\,\text{mol L}^{-1}$ . The solubility product of $Ag_2C_2O_4$ is:
1. Option A: $5.3 \times 10^{-12}$
2. Option B: $2.42 \times 10^{-8}$
3. Option C: $2.66 \times 10^{-12}$
4. Option D: $4.5 \times 10^{-11}$
The answer and explanation for this question are in NEET MIND Premium.
Question 15 (NEET 2017, Q150)
Chemical Bonding and Molecular StructureEasy
With respect to the conformers of ethane, which of the following statements is true?
1. Option A: Both bond angles and bond lengths remain same
2. Option B: Bond angle remains same but bond length changes
3. Option C: Bond angle changes but bond length remains same
4. Option D: Both bond angle and bond length change
The answer and explanation for this question are in NEET MIND Premium.
Question 16 (NEET 2017, Q151)
Organic Chemistry: Some Basic Principles and TechniquesEasy
The correct statement regarding electrophile is
1. Option A: Electrophile can be either neutral or positively charged species and can form a bond by accepting a pair of electrons from a nucleophile
2. Option B: Electrophile is a negatively charged species and can form a bond by accepting a pair of electrons from a nucleophile
3. Option C: Electrophile is a negatively charged species and can form a bond by accepting a pair of electrons from another electrophile
4. Option D: Electrophiles are generally neutral species and can form a bond by accepting a pair of electrons from a nucleophile
The answer and explanation for this question are in NEET MIND Premium.
Question 17 (NEET 2017, Q152)
Structure of AtomMedium
Which one is the wrong statement?
1. Option A: The energy of 2s orbital is less than the energy of 2p orbital in case of Hydrogen like atoms
2. Option B: de Broglie's wavelength is given by λ = h/mv, where m = mass of the particle, v = group velocity of the particle
3. Option C: The uncertainty principle is ΔE × Δt ≥ h/4π
4. Option D: Half-filled and fully-filled orbitals have greater stability due to greater exchange energy, greater symmetry and more balanced arrangement
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Correct answer: (A) The energy of 2s orbital is less than the energy of 2p orbital in case of Hydrogen like atoms
Explanation
In hydrogen-like atoms, 2s and 2p orbitals have equal energy.
Question 18 (NEET 2017, Q153)
Coordination CompoundsMedium
Correct increasing order for the wavelengths of absorption in the visible region for the complexes of Co³⁺ is
1. Option A: Option 1
2. Option B: Option 2
3. Option C: Option 3
4. Option D: Option 4
The answer and explanation for this question are in NEET MIND Premium.
Question 19 (NEET 2017, Q154)
Chemical Bonding and Molecular StructureMedium
Match the interhalogen compounds of column I with the geometry in column II and assign the correct code
1. Option A: Option 1
2. Option B: Option 2
3. Option C: Option 3
4. Option D: Option 4
The answer and explanation for this question are in NEET MIND Premium.
Question 20 (NEET 2017, Q155)
Chemical Bonding and Molecular StructureEasy
The species having bond angles of 120° is
1. Option A: BCl₃
2. Option B: PH₃
3. Option C: ClF₃
4. Option D: NCl₃
The answer and explanation for this question are in NEET MIND Premium.
Question 21 (NEET 2017, Q156)
Organic Chemistry: Some Basic Principles and TechniquesMedium
The correct increasing order of basic strength for the following compounds is
1. Option A: II < I < III
2. Option B: II < III < I
3. Option C: III < I < II
4. Option D: III < II < I
The answer and explanation for this question are in NEET MIND Premium.
Question 22 (NEET 2017, Q157)
Chemical KineticsMedium
Which of the following statements is not correct?
1. Option A: Coenzymes increase the catalytic activity of enzyme
2. Option B: Catalyst does not initiate any reaction
3. Option C: The value of equilibrium constant is changed in the presence of a catalyst in the reaction at equilibrium
4. Option D: Enzymes catalyse mainly bio-chemical reactions
The answer and explanation for this question are in NEET MIND Premium.
Question 23 (NEET 2017, Q158)
ThermodynamicsMedium
A gas is allowed to expand in a well insulated container against a constant external pressure of 2.5 atm from an initial volume of 2.50 L to a final volume of 4.50 L. The change in internal energy ΔU of the gas in joule will be
1. Option A: +505 J
2. Option B: 1136.25 J
3. Option C: -500 J
4. Option D: -505 J
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Correct answer: (D) -505 J
Explanation
For adiabatic expansion, q = 0. ΔU = q + w = w = -PΔV = -(2.5)(4.5−2.5) L·atm = -5 L·atm = -5 × 101.3 J ≈ -505 J
Question 24 (NEET 2017, Q159)
EquilibriumHard
A 20 litre container at 400 K contains CO₂(g) at pressure 0.4 atm and an excess of SrO (neglect volume of solid SrO). The volume of the container is now decreased by moving the movable piston fitted in the container. The maximum volume of the container, when pressure of CO₂ attains its maximum value, will be: (Given that : SrCO₃(s) ⇌ SrO(s) + CO₂(g), K $_p$ = 1.6 atm)
1. Option A: 2 litre
2. Option B: 5 litre
3. Option C: 10 litre
4. Option D: 4 litre
The answer and explanation for this question are in NEET MIND Premium.
Question 25 (NEET 2017, Q161)
Chemical KineticsHard
Mechanism of a hypothetical reaction X₂ + Y₂ → 2XY is given below: (i) X₂ → X + X (fast) (ii) X + Y₂ ⇌ XY + Y (slow) (iii) X + Y → XY (fast) The overall order of the reaction will be
1. Option A: 1.5
2. Option B: 1
3. Option C: 2
4. Option D: 0
The answer and explanation for this question are in NEET MIND Premium.
Question 26 (NEET 2017, Q162)
The d- and f-Block ElementsMedium
In which pair of ions both the species contain S–S bond?
1. Option A: Option 1
2. Option B: Option 2
3. Option C: Option 3
4. Option D: Option 4
The answer and explanation for this question are in NEET MIND Premium.
Question 27 (NEET 2017, Q163)
Chemical Bonding and Molecular StructureMedium
Which one of the following pairs of species have the same bond order?
1. Option A: N₂ , O₂⁻
2. Option B: CO , NO
3. Option C: O₂ , NO⁺
4. Option D: CN⁻ , CO
The answer and explanation for this question are in NEET MIND Premium.
Question 28 (NEET 2017, Q164)
Chemistry In Everyday LifeEasy
Mixture of chloroxylenol and terpineol acts as
1. Option A: Antibiotic
2. Option B: Analgesic
3. Option C: Antiseptic
4. Option D: Antipyretic
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Correct answer: (C) Antiseptic
Explanation
Chloroxylenol mixed with terpineol is used as an antiseptic (example: Dettol formulation).
Question 29 (NEET 2017, Q165)
The d- and f-Block ElementsMedium
It is because of inability of ns² electrons of the valence shell to participate in bonding that
1. Option A: Sn⁴⁺ is reducing while Pb⁴⁺ is oxidising
2. Option B: Sn²⁺ is reducing while Pb⁴⁺ is oxidising
3. Option C: Sn²⁺ is oxidising while Pb⁴⁺ is reducing
4. Option D: Sn²⁺ and Pb²⁺ are both oxidising and reducing
The answer and explanation for this question are in NEET MIND Premium.
Question 30 (NEET 2017, Q166)
ThermodynamicsMedium
For a given reaction, ΔH = 35.5 kJ mol⁻¹ and ΔS = 83.6 JK⁻¹ mol⁻¹. The reaction is spontaneous at: (Assume that ΔH and ΔS do not vary with temperature)
1. Option A: T > 298 K
2. Option B: T < 425 K
3. Option C: T > 425 K
4. Option D: All temperatures
The answer and explanation for this question are in NEET MIND Premium.
Question 31 (NEET 2017, Q167)
SolutionsEasy
If molality of the dilute solution is doubled, the value of molal depression constant (K $_f$ ) will be
1. Option A: Unchanged
2. Option B: Doubled
3. Option C: Halved
4. Option D: Tripled
The answer and explanation for this question are in NEET MIND Premium.
Question 32 (NEET 2017, Q168)
SolutionsEasy
Which of the following is dependent on temperature?
1. Option A: Weight percentage
2. Option B: Molality
3. Option C: Molarity
4. Option D: Mole fraction
The answer and explanation for this question are in NEET MIND Premium.
Question 33 (NEET 2017, Q169)
Coordination CompoundsMedium
Pick out the correct statement with respect to [Mn(CN)₆]³⁻
1. Option A: It is dsp² hybridised and square planar
2. Option B: It is sp³d² hybridised and octahedral
3. Option C: It is sp³d² hybridised and tetrahedral
4. Option D: It is d²sp³ hybridised and octahedral
The answer and explanation for this question are in NEET MIND Premium.
Question 34 (NEET 2017, Q170)
Solid StateMedium
Which is the incorrect statement?
1. Option A: Frenkel defect is favoured in those ionic compounds in which sizes of cation and anions are almost equal
2. Option B: FeO₀.₉₈ has non-stoichiometric metal deficiency defect
3. Option C: Density decreases in case of crystals with Schottky defect
4. Option D: NaCl(s) is insulator, silicon is semiconductor, silver is conductor, quartz is piezoelectric crystal
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Correct answer: (A) Frenkel defect is favoured in those ionic compounds in which sizes of cation and anions are almost equal, (B) FeO₀.₉₈ has non-stoichiometric metal deficiency defect
Explanation
Statement (1) is incorrect because Frenkel defect occurs when cations are much smaller than anions. Statement (2) is also incorrect because non-stoichiometric iron oxide usually exists as Fe₀.₉₃–Fe₀.₉₆O due to metal deficiency defects, not specifically Fe₀.₉₈O.
Question 35 (NEET 2017, Q171)
Coordination CompoundsHard
HgCl₂ and I₂ both when dissolved in water containing I⁻ ions, the pair of species formed is
1. Option A: Hg₂I₂ , I⁻
2. Option B: HgI₂ , I₃⁻
3. Option C: HgI₂ , I⁻
4. Option D: HgI₄²⁻ , I₃⁻
The answer and explanation for this question are in NEET MIND Premium.
Question 36 (NEET 2017, Q172)
General Principles And Processes Of Isolation Of ElementsMedium
Extraction of gold and silver involves leaching with CN⁻ ion. Silver is later recovered by
1. Option A: Displacement with Zn
2. Option B: Liquation
3. Option C: Distillation
4. Option D: Zone refining
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Correct answer: (A) Displacement with Zn
Explanation
In cyanide leaching, silver forms soluble complex [Ag(CN)₂]⁻. Zinc, being more reactive, displaces silver: 2Na[Ag(CN)₂] + Zn → Na₂[Zn(CN)₄] + 2Ag↓
Question 37 (NEET 2017, Q173)
Coordination CompoundsMedium
The correct order of the stoichiometries of AgCl formed when AgNO₃ in excess is treated with the complexes: CoCl₃·6NH₃, CoCl₃·5NH₃, CoCl₃·4NH₃ respectively is
1. Option A: 2 AgCl, 3 AgCl, 1 AgCl
2. Option B: 1 AgCl, 3 AgCl, 2 AgCl
3. Option C: 3 AgCl, 1 AgCl, 2 AgCl
4. Option D: 3 AgCl, 2 AgCl, 1 AgCl
The answer and explanation for this question are in NEET MIND Premium.
Question 38 (NEET 2017, Q174)
Haloalkanes and HaloarenesHard
Identify A and predict the type of reaction
1. Option A: Option 1
2. Option B: Option 2
3. Option C: Option 3
4. Option D: Option 4
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Correct answer: (B) Option 2
Explanation
NaNH₂ induces elimination of HBr forming a benzyne intermediate. NH₂⁻ attacks the benzyne, and after protonation the product formed is m-methoxyaniline. Since substitution occurs at the same carbon where Br was attached, it is substitution (not cine substitution).
Question 39 (NEET 2017, Q175)
Organic Chemistry: Some Basic Principles and TechniquesEasy
An example of a sigma bonded organometallic compound is
1. Option A: Cobaltocene
2. Option B: Ruthenocene
3. Option C: Grignard's reagent
4. Option D: Ferrocene
The answer and explanation for this question are in NEET MIND Premium.
Question 40 (NEET 2017, Q176)
The d- and f-Block ElementsEasy
The reason for greater range of oxidation states in actinoids is attributed to
1. Option A: 4f and 5d levels being close in energies
2. Option B: The radioactive nature of actinoids
3. Option C: Actinoid contraction
4. Option D: 5f, 6d and 7s levels having comparable energies
The answer and explanation for this question are in NEET MIND Premium.
Question 41 (NEET 2017, Q177)
Classification of Elements and Periodicity in PropertiesMedium
The element Z = 114 has been discovered recently. It will belong to which of the following family group and electronic configuration?
1. Option A: Nitrogen family, [Rn]5f¹⁴6d¹⁰7s²7p⁶
2. Option B: Halogen family, [Rn]5f¹⁴6d¹⁰7s²7p⁵
3. Option C: Carbon family, [Rn]5f¹⁴6d¹⁰7s²7p²
4. Option D: Oxygen family, [Rn]5f¹⁴6d¹⁰7s²7p⁴
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Correct answer: (C) Carbon family, [Rn]5f¹⁴6d¹⁰7s²7p²
Explanation
Element with atomic number 114 belongs to Group 14 (carbon family). Its electronic configuration is [Rn]5f¹⁴6d¹⁰7s²7p².
Question 42 (NEET 2017, Q178)
Chemical KineticsMedium
A first order reaction has a specific reaction rate of 10⁻² s⁻¹. How much time will it take for 20 g of the reactant to reduce to 5 g?
1. Option A: 693.0 second
2. Option B: 238.6 second
3. Option C: 138.6 second
4. Option D: 346.5 second
The answer and explanation for this question are in NEET MIND Premium.
Question 43 (NEET 2017, Q179)
S-Block ElementsMedium
Ionic mobility of which of the following alkali metal ions is lowest when aqueous solution of their salts are put under an electric field?
1. Option A: Li
2. Option B: Na
3. Option C: K
4. Option D: Rb
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Correct answer: (A) Li
Explanation
Li⁺ has the highest charge density and is most strongly hydrated among alkali metal ions. Due to large hydrated size, Li⁺ shows the lowest ionic mobility in aqueous solution.
Question 44 (NEET 2017, Q180)
ElectrochemistryMedium
In the electrochemical cell Zn|ZnSO₄(0.01 M)||CuSO₄(1.0 M)|Cu, the emf of this Daniell cell is E₁. When the concentration of ZnSO₄ is changed to 1.0 M and that of CuSO₄ changed to 0.01 M, the emf changes to E₂. From the following, which one is the relationship between E₁ and E₂? (Given, RT/F = 0.059
1. Option A: E₂ = 0 ≠ E₁
2. Option B: E₁ = E₂
3. Option C: E₁ < E₂
4. Option D: E₁ > E₂
The answer and explanation for this question are in NEET MIND Premium.

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