Oxidation state of sulphur in its oxyacid is '+5' (or) '+6' , the incorrect statement is
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a
Covalency of sulphur is 6
b
Each sulphur atom forms two pi-bonds
c
Sulphur is in II- excited state
d
One of the pi-bond is a pπ-pπ bond
answer is D.
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Detailed Solution
II - excited state configuration of 'Sulphur'Represents '+5' (or) '+6' state, hexavalency;Each sulphur atom forms four σ bonds and two dπ-dπ bonds;No lone pair on sulphur atom+3 -- In I-excited state+5-- In II-excited stateThere are 8σ, 3π bonds and 11 lone pairs