MCQ
The equivalent weight of an element is $4$. Its chloride has a $V.D$ $59.25$. Then the valency of the element is
- A$4$
- ✓$3$
- C$2$
- D$1$
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$\mathop {^ \oplus C{H_2} - CH = CH - CH = N{H_3}}\limits_{(III)} $
Which of these structures is not a valid canonical structure ?
$\mathrm{CH}_2=\mathrm{CH}-\mathrm{CH}=\mathrm{CH}-{ }^{\oplus} \mathrm{NH}_3 ;{ }^{\oplus} \mathrm{CH}_2-\mathrm{CH}=$