MHT CET 2024 Chemistry question

What is the value of standard enthalpy of formation of dihydrogen?

(A)436.4 kJ
(B)0 kJCorrect
(C)100.3 kJ
(D)200.5 kJ

Answer: (B)

Solution

By definition, the standard enthalpy of formation of an element in its most stable (reference) state at 1 bar and the given temperature is zero. Dihydrogen is the

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Question ID VK-093071