S-Block Elements PYQs

When 1 dm³ of CO₂ gas is passed over hot coke, the volume of gaseous mixture after complete reaction at STP becomes 1.4 dm³. The composition of the gaseous mixture at STP is:

Given below are certain cations. Using inorganic qualitative analysis, arrange them in increasing group number from 0 to VI. A. Al³⁺ B. Cu²⁺ C. Ba²⁺ D. Co²⁺ E. Mg²⁺ Choose the options from the given below:

Identify the incorrect statement from the following:

Among the following alkaline earth metal halides, one which is covalent and soluble in organic solvents is:

The following metal ion activates many enzymes, participates in the oxidation of glucose to produce ATP and with Na, is responsible for the transmission of nerve signals.

Which of the alkali metal chloride $(\mathrm{MCl})$ forms its dihydrate salt $(\mathrm{MCl \cdot 2H_2O})$ easily?

Ionic mobility of which of the following alkali metal ions is lowest when aqueous solution of their salts are put under an electric field?

The suspension of slaked lime in water is known as:

In context with beryllium, which one of the following statements is incorrect?

On heating which of the following releases $\mathrm{CO_2}$ most easily?

In the replacement reaction $$Cl + MF \rightarrow CF + MI$$ The reaction will be most favourable if M happens to be:

The correct order of the mobility of the alkali metal ions in aqueous solution is: