`MgCl_2` …………..लवण है।

What happens when MgCl_2 . 6 H_2O is heated ?

MgCl_2.NH_4Cl.6H_2O on heating in air gives as residue

Explain : Anhydrous magnesium chloride is prepared by heating MgCl_2 . 6H_2O in a current of dry HCl gas.

Assertion: BeCl_2 is covalent whereas MgCl_2 is ionic. Reason: Beryllium is the first member of the group.

A solution is 0.1M with respect to KCl and 0.2M with respect to MgCl_2 . The molarity of Cl^- ions in the solution is

Show electron dot structure for MgCl_2 and CO_2 .