Answer:
(i) From sulphur
to polonium electronegativity decrease- hence tendency to show negative
oxidation state decreases
(ii) Higher
members have smaller ionisation enthalpy than lower members and hence they are
expected to form compounds.
(iii) has unpaired electron and no octet
configuration Hence it forms a dimer to pair the unpaired electron as well as
to complete its octet.
has unpaired electron but more than 8
electrons hence it cannot dimerise.
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