Which of the following diagrams gives an accurate representation of the above reaction? [2025]

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Solution

Q.
$C_{(s)} + 2 H_{2 (g)} ⟶ {CH}_{4 (g)}; Δ H = - 74.8$ $kJ$ ${mol}^{- 1}$

Which of the following diagrams gives an accurate representation of the above reaction

$[R \to reactants, P \to products]$ [2025]

1

2

3

4

Ans.
(3)

$C_{(s)} + 2 H_{2 (g)} \to C H_{4 (g)}; Δ H = - 74.8$ $kJ$ ${mol}^{- 1}$

For exothermic reaction, products have lesser energy than reactants.

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