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Chemistry-(general)

NEET Chemistry (general) MCQ Question

Type: MCQ-numerical-Hard-Class 12

Calculate the enthalpy change (ΔH) for the reaction when 1 mole of H2S is formed from its elements in their standard states.

A

-207 kJ/mol

B

-286 kJ/mol

C

310 kJ/mol

D

-463 kJ/mol

Correct Answer

Option A

Detailed Explanation

The enthalpy change (ΔH) for the formation of H2S from H2 and S is given as -207 kJ/mol in the properties table for hydrides of Group 16 elements.

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