MHT CET 2025 Chemistry question

What different types of bonds are formed by chlorine with oxygen in perchloric acid?

(A)2-single bonds and 2-double bonds
(B)3-single bonds and 1-double bond
(C)2-single bonds and 3-double bonds
(D)1-single bond and 3-double bondsCorrect

Answer: (D)

Solution

Perchloric acid is , with structure . Chlorine is in the +7 state and uses its vacant 3d orbitals to expand its octet: it is joined to three terminal oxygen atoms by double bonds and to the fourth oxygen (the one carrying hydrogen) by a single bond. So Cl forms 1

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Question ID VK-101758