Substance |Thermodynamics & Thermochemistry

JEE-Main 2022

24-6-22_E1

Question

| Substance | $\mathrm{H}_2$ | C(graphite) | $\mathrm{C}_2 \mathrm{H}_6(\mathrm{~g})$ | | :--- | :--- | :--- | :--- | | $\frac{\Delta_{\mathrm{c}} \mathrm{H}^*}{\mathrm{kJmol}^{-1}}$ | -286.0 | -394.0 | -1560.0 |

Select the correct option:

$+54.0 \mathrm{~kJ} \mathrm{~mol}^{-1}$

$-68.0 \mathrm{~kJ} \mathrm{~mol}^{-1}$

$-86.0 \mathrm{~kJ} \mathrm{~mol}^{-1}$

$+97.0 \mathrm{~kJ} \mathrm{~mol}^{-1}$

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution

Question Tags

JEE Main

Chemistry

Easy

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