Assertion -For a reaction- 2 NH 3 g- N 2 g-3 H 2 g- H- E Reason- Enthalpy change is always greater than internal energy change-

The correct option is C Assertion is correct but Reason is incorrect 2NH_3(Cg) #160;⟶ N_2(g) + 3H_2(g) ; H gt; E H = nR T Enthalpy ...

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Standard XII

Chemistry

Heat of Reaction

Assertion :Fo...

Question

Assertion :For a reaction:
$2 {N H}_{3} (g) ⟶ N_{2} (g) + 3 H_{2} (g); Δ H > Δ E$ Reason: Enthalpy change is always greater than internal energy change.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Both Assertion and Reason are incorrect

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Solution

The correct option is C Assertion is correct but Reason is incorrect
$2 N H_{3} (C g) ⟶ N_{2} (g) + 3 H_{2} (g)$ ; $△ H$ $>$ $△ E$
$△ H = - n R △ T$
Enthalpy change depends on both internal energy change and change in temperature. So, reason is incorrect.

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Assertion :For a reaction:2NH3(g)⟶N2(g)+3H2(g);ΔH>ΔE Reason: Enthalpy change is always greater than internal energy change.

The correct option is C Assertion is correct but Reason is incorrect2NH3(Cg)⟶N2(g)+3H2(g); △H > △E△H=−nR△TEnthalpy change depends on both internal energy change and change in temperature. So, reason is incorrect.

Assertion :For a reaction:
$2 {N H}_{3} (g) ⟶ N_{2} (g) + 3 H_{2} (g); Δ H > Δ E$ Reason: Enthalpy change is always greater than internal energy change.

The correct option is C Assertion is correct but Reason is incorrect
$2 N H_{3} (C g) ⟶ N_{2} (g) + 3 H_{2} (g)$ ; $△ H$ $>$ $△ E$
$△ H = - n R △ T$
Enthalpy change depends on both internal energy change and change in temperature. So, reason is incorrect.