Embibe Experts Solutions for Chapter: The s-Block Elements, Exercise 3: Exercise-3

Beryllium chloride shows acidic nature in water or why ${\mathrm{BeCl}}_2$ is easily hydrolysed?

Identify the following:

${\mathrm{Na}}_2{\mathrm{CO}}_3\stackrel{{\mathrm{SO}}_2}{⟶}\left(\mathrm{A}\right)\stackrel{{\mathrm{Na}}_2{\mathrm{CO}}_3}{⟶}\left(\mathrm{B}\right)\stackrel{\mathrm{Elementals}}{⟶}\left(\mathrm{C}\right)\stackrel{{\mathrm{I}}_2}{⟶}\left(\mathrm{D}\right)$

Also mention the oxidation state of $\mathrm{S}$ in all the compounds.

The substance not likely to contain ${\mathrm{CaCO}}_3$ is

Solubilities of carbonates decrease down the magnesium group due to decrease in

Several blocks of magnesium are fixed to the bottom of a ship to-

Beryllium and aluminium exhibit many properties which are similar. But, the two elements differ in:
 

Which of the following on thermal decomposition yields a basic as well as acidic oxide

Which one of the following alkaline earth metal sulphates has its hydration enthalpy greater than its lattice enthalpy?