MHT CET 2026 Chemistry question

Which of the following hydrides of Group 16 elements has highest reducing property?

(A)
(B)
(C)
(D)Correct

Answer: (D)

Solution

Going down group 16 the size of the central atom increases, so the E-H bond length increases and the bond dissociation enthalpy decreases ( 463 to 238 kJ/mol). The hydride can therefore release hydrogen (or electrons) more

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Question ID VK-096234