Isomerisation of Alkanes

Q. 100.Nitration of chlorobenzene gives ortho nitro chloro benzene and para nitro chloro benzene . Why ? Explain With MECHANISM of this reaction

Q. what is the mechanism of isomerization reaction of alkynes?

Q. Normal butane convert into isobutane by

1. $LiAl{H}_4$
2. $AlC{l}_3$
3. $NaB{H}_4$
4. $Zn/HCl$

Q.

$C_2{H}_{5}Cl+Na\stackrel{Dryether}{\to }X+NaCl$ Number of possible structural and stereo isomers for mono chloro derivatives of 'X' are

1. 3

2. 2

3. 4

4. 5

Q. 3. Which of the following compounds does not have diastereoisomers?(a) 2, 3-Butanediol(b) 2, 3-Dibromopentane(c) 2-Butene(d) 2-Butanol

Q. $\text{Cyclopentane}\underset{h\nu }{\overset{C{l}_2\text{(excess)}}{\to }}$
How many dichloro products (including stereoisomers) are possible in the given reaction?

1. $7$
2. $5$
3. $10$
4. $3$

Q. What is decreasing order of Boiling point?

1. $a>b>c$
2. $b>c>a$
3. $c>b>a$
4. $a>c>b$

Q.

Why does butane have more boiling point than isobutane?

Q. For the given reaction:

$\text{n-hexane}\stackrel{\left(A\right)}{\to }\text{2-methylpentane}+\text{3-methylpentane}$

Choose the correct statement:

1. (A) is anhydrous $AlC{l}_3/HCl$ and the reaction is pyrolysis reaction.
2. (A) is $KMn{O}_4$ and the reaction is controlled oxidation reaction.
3. (A) is anhydrous $AlC{l}_3/HCl$ and the reaction is isomerization reaction.
4. (A) is $M{o}_2{O}_3$ and the reaction is controlled oxidation reaction.

Q. For the given reaction:

$\text{n-hexane}\stackrel{\left(A\right)}{\to }\text{2-methylpentane}+\text{3-methylpentane}$

Choose the correct statement:

1. (A) is anhydrous $AlC{l}_3/HCl$ and the reaction is pyrolysis reaction.
2. (A) is $KMn{O}_4$ and the reaction is controlled oxidation reaction.
3. (A) is anhydrous $AlC{l}_3/HCl$ and the reaction is isomerization reaction.
4. (A) is $M{o}_2{O}_3$ and the reaction is controlled oxidation reaction.

Q. Can
i.3-methyl pentane be called isohexane??
ii.2, 3- dimethyl butane be called neohexane??