For the reaction, 2H_ 2(g) + O_ 2(g) 2H_2O_ (g) H^0 = -573.2 kJ What is heat of decomposition of water per mol?

MHT CET 2024 Chemistry question

For the reaction, What is heat of decomposition of water per mol?

(A)-28.66 kJ
(B)143.3 kJ
(C)286.6 kJCorrect
(D)773.2 kJ

Answer: (C)

Solution

The given reaction forms 2 mol of water with kJ, so the formation of 1 mol of water releases kJ. Decomposition is the reverse process, , and reversing a reaction

See the full step-by-step solution

Create a free account to read the complete working, and practise questions like this in a timed test.

Create a free account

Question ID VK-094903