MCQ
Which one of the following is highest melting halide
- A$AgCl$
- B$AgBr$
- ✓$AgF$
- D$Agl$
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$2NO(g) + O_2(g) \rightleftharpoons 2NO_2(g)$
The standard free energy of formation of $NO(g)$ is $86.6\, kJ/mol$ at $298 \,K.$ What is the standard free energy of formation of $NO_2(g)$ at $298\, K$ ? ($K_p = 1.6 \times 10^{12})$
| Leaving group | Conj. Acid $pK_a$ | $\%$ -yield of $2$-hexene | $\%$ -yield of $1$ -hexene |
| $X = I$ | $- 10$ | $81\%$ | $19\%$ |
| $X = Br$ | $-9$ | $72\%$ | $28\%$ |
| $X = Cl$ | $-7$ | $67\%$ | $33\%$ |
| $X = F$ | $3.2$ | $30\%$ | $70\%$ |
Which of the following statement is (are) true concerning this series of $E_2$ reactions ?
Reason : In mercury cell, the electrolyte is a paste of $KOH$ and $ZnO$.