In each of the following pairs of compounds, which one is more covalent and why?
(a) AgCl and AgI
(b) BeCl2, and MgCl2
(c) SnCl2 and SnCl4
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(i) AgI is more covalent than AgCl. This is because I- ion is larger in size than Cl- ion and hence is more polarized than Cl-ion.
(ii) BeCl2 is more covalent thanMgCl2. This is because Be2+ ion is smallar in size than Mg2+ ion and hence has greater polarizing power .
(iii) SnCl4 is more covalent than SnCl2 . This is bacause Sn4+ion has greater charge and smaller size than Sn2+ ion and hence has greater polarizing power.
Explanation:
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