MCQ
How many secondary amine are possible with molecular formula $C_4H_{11}NH_2$
- A$4$
- ✓$3$
- C$2$
- D$1$
$1.$ $N-$methyl $n-$propyl amine
$2.$ $N-$methyl isopropyl amine
$3.$ $N,N-$dimethyl amine
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| Molecule | $P-X$ (axial) bond length | $P-X$ (Equitorial) bond length |
| $PF_5$ | $a$ | $b$ |
| $PF_4CH_3$ | $c$ | $d$ |
| $PF_3 (CH_3)_2$ | $e$ | $f$ |
| $PCl_5$ | $g$ | $h$ |
According to given information choose the incorrect order of bond length

${C_6}{H_5}N{H_2}\mathop {\xrightarrow{{NaN{O_2}/HCl}}}\limits_{0 - 5\,^o C} X\mathop {\xrightarrow{{HN{O_2}}}}\limits_{C{H_2}O} Y + {N_2} + HCl$
$X$ and $Y$ are respectively