MCQ
Which of the following has highest boiling point
- A$N{H_3}$
- B$P{H_3}$
- C$As{H_3}$
- ✓$Sb{H_3}$
| $N{H_3}$ | $P{H_3}$ | $As{H_3}$ | $Sb{H_3}$ | |
| B.pt in ($K$) | $238.5$ | $185.5$ | $210.6$ | $ 254.6$ |
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$2C_6H_6 (l) + 15O_2 (g) \longrightarrow 12CO_2 (g) + 6H_2O(l)$
at $300\, K$ is ....$J\,mol^{-1}$ ($R = 8.314\, J\, mol^{-1}\, K^{-1}$)
$(A)$ $P$ can be reduced to a primary alcohol using $NaBH _4$.
$(B)$ Treating $P$ with conc. $NH _4 OH$ solution followed by acidification gives $Q$.
$(C)$ Treating $Q$ with a solution of $NaNO _2$ in aq. $HCl$ liberates $N _2$.
$(D)$ $P$ is more acidic than $CH _3 CH _2 COOH$.
