Organic Chemistry - Chemistry Previous Year Questions

\(\text { 2-Bromo-3-methylbut-2-en-1-ol: }\left(\mathrm{CH}_3\right)_2-\mathrm{C}=\mathrm{C}(\mathrm{Br})-\mathrm{CH}_2 \mathrm{OH}\)

\(\text { 2,5-Dimethylhexane-1,3-diol: }\left(\mathrm{CH}_3\right)_2-\mathrm{CH}-\mathrm{CH} 2-\mathrm{CH}(\mathrm{OH})-\mathrm{CH}\left(\mathrm{CH}_2 \mathrm{OH}\right)-\mathrm{CH}_3\)

\(\text { 3-Methylbutoxybenzene: } \mathrm{C}_6 \mathrm{H}_5-\mathrm{O}-\left(\mathrm{CH}_2\right)_2-\mathrm{CH}-\left(\mathrm{CH}_3\right)_2\)

I, II, III

II, III, IV

I, II, IV

I, III, IV

3

4

2

5

$\mathrm{CH}_3 \mathrm{OH}$ and $\mathrm{CH}_3 \mathrm{COCH}_3$ are separated by fractional distillation

In sodium nitroprusside test for Sulphur, the violet colour is due to formation of complex $\mathrm{Na}_4\left[\mathrm{Fe}(\mathrm{CN})_5 \mathrm{NOS}\right]$

$\mathrm{CH}_3 \mathrm{COO}^{-}, \mathrm{CN}^{-}, \mathrm{CH}_3 \mathrm{OH}, \mathrm{CH}_3-\mathrm{O}-\mathrm{CH}_3,\left(\mathrm{CH}_3\right)_3 \mathrm{~N}$ are nucleophiles

$\mathrm{AlCl}_3, \mathrm{NH}_3, \mathrm{SO}_3, \mathrm{NO}_2^{+}, \mathrm{H}_2 \mathrm{O}$ are electrophiles

2-methyl-2-butene

2-methyl-1-butene

3-methyl-1-butene

Cyclopentane