Xylene, on oxidation with acidic , gives:
1. | Phthalic acid | 2. | Isophthalic acid |
3. | Terephthalic acid | 4. | All of the above |
Nitration of benzene is:
1. nucleophilic substitution
2. electrophilic substitution
3. electrophilic addition
4. nucleophilic addition
Which of the following compounds has the lowest boiling point?
1.
2.
3.
4.
1-butyne on reaction with hot alkaline gives:
1.
2. +
3.
4. + HCOOH
Acetylene on reacting with hypochlorous acid gives:
1.
2.
3.
4.
Benzene reacts with in the presence of anhy. to form
1. toluene
2. chlorobenzene
3. benzylchloride
4. xylene
XY. Y is:
1.
2.
3.
4.
What is the end product of the following sequences of operations?
\(\mathrm{CaC}_2 \xrightarrow{\mathrm{H}_2 \mathrm{O}} \mathrm{~A} \xrightarrow[\mathrm{Hg}^{2+}]{\mathrm{Dil} \cdot \mathrm{H}_2 \mathrm{SO}_4} \mathrm{~B} \underset{\mathrm{H}_2}{\stackrel{\mathrm{Ni}}{\rightarrow}} \mathrm{C}\)
1. Methyl alcohol
2. Acetaldehyde
3.
4.
Alkynes can be reduced to alkenes by hydrogenation in presence of:
1. raney Ni
2. anhy.
3. Pd
4. Lindlar's catalyst