The alkane that gives only one monochloro product on chlorination with $C{l}_2$ in presence of diffused sunlight is-

1.	2,2,-dimethylbutane	2.	neopentane
3.	n-pentane	4.	Isopentane

In the following reaction,

\( CH_{3}C\equiv CH\xrightarrow[Red \ hot \ iron \ tube]{873 K} \ A\)

The number of ($\sigma$) bonds present in the product (A) is:

1. 21 

2. 9

3. 24

4. 18

Which of the following statements is true for the reaction given below?

1.  P is a meso compound 2,3-butanedi 01 formed by syn addition

2.  P is a meso compound formed by anti addition

3.  P is a racemic mixture of d- and l- 2,3" butanediol formed by anti addition

4.  P is a racemic mixture of d- and l- 2,3- butanediol formed by Syn addition

1,2-dibromopropane on treatment with X moles of ${\mathrm{NaNH}}_2$ followed by treatment with ethyl bromine gave a pent-2-yne. The value of X is -

1.  1

2.  2

3.  3

4.  4

$+\underset{\left(\mathrm{Conc}.\right)}{{\mathrm{HNO}}_3}\to \left(\mathrm{A}\right) \left(\mathrm{Nitro}\mathrm{compound}\right)$

The compound A is-

The product P obtained through the following sequence of reaction is

$\underset{\mathrm{conc}. {\mathrm{H}}_2{\mathrm{SO}}_4,\mathrm{warm}}{\overset{\mathrm{conc}. {\mathrm{HNO}}_3}{\to }}L\underset{heat}{\overset{B{r}_2,Fe}{\to }}M\stackrel{Sn/HCl}{\to }N\underset{\left(ii\right)C{u}_{2}C{l}_2}{\overset{\left(i\right)NaN{O}_2,HCl}{\to }}P$

1. 3-chloroaniline

2. 4-bromochlorobenzene

3. 3-bromochlorobenene

4. 3-bromobenzene

Compound 'X' in the following reaction is

1.   

2.  

3.  

4.  

In the following reaction

$\underset{{\mathrm{OH}}^{-}/∆}{\overset{\mathrm{ozonolysis}}{\to }}$X

The major product X is

1.            2.  

3.          4.  

The major product in the above-mentioned reaction is:

1.
2.
3.
4.

 
Compound A is:

1.		2.
3.		4.