${\mathrm{CH}}_3\mathrm{Cl}\stackrel{\mathrm{Na}}{\to }$Gas A

${\mathrm{CH}}_2\mathrm{COONa}-{\mathrm{CH}}_2\mathrm{COONa}$$\underset{\mathrm{Electrolysis}}{\overset{\mathrm{Kolbe}\text{'}\mathrm{s}}{\to }}$Gas B

${\mathrm{Mg}}_2{\mathrm{C}}_3\stackrel{{\mathrm{H}}_2\mathrm{O}}{\to }$Gas C

Gas (A+B+C) $\underset{{\mathrm{Cu}}_2{\mathrm{Cl}}_2}{\overset{\mathrm{Ammoniacal}}{\to }}$

gas mixture $\underset{\mathrm{Alk}. {\mathrm{KMnO}}_4}{\overset{\mathrm{Cold} \mathrm{dil}}{\to }}$ Gas X

Gas X is-

1. Gas A + Gas B                      2. Only Gas B

3. Gas B + Gas C                      4. Only Gas A

What is the product formed when n-heptane is heated with a mixture of Cr₂O₃ and Al₂O₃ at 600°C?

The intermediate during the addition of HCl to propene in the presence of peroxide is

1. ${\mathrm{CH}}_3\stackrel{*}{\mathrm{C}}{\mathrm{HCH}}_2\mathrm{Cl}$                     
2. ${\mathrm{CH}}_3\stackrel{+}{\mathrm{C}}{\mathrm{HCH}}_3$
3. ${\mathrm{CH}}_3{\mathrm{CH}}_2\stackrel{*}{{\mathrm{CH}}_2}$                       
4. ${\mathrm{CH}}_3{\mathrm{CH}}_2\stackrel{+}{{\mathrm{CH}}_2}$

Which reagent distinguish propyne and propene?

1. Alkaline ${\mathrm{KMnO}}_4$

2. ${\mathrm{Cu}}_2{\mathrm{Cl}}_2$ + ${\mathrm{NH}}_4\mathrm{Cl}$

3. ${\mathrm{Br}}_2$ water

4. ${\mathrm{Cu}}_2{\mathrm{Cl}}_2$ + ${\mathrm{NH}}_4\mathrm{OH}$

$\mathrm{CH}\equiv \mathrm{CH}\stackrel{{\mathrm{O}}_3/\mathrm{NaOH}}{\to }$X$\stackrel{\mathrm{Zn}/{\mathrm{CH}}_3\mathrm{COOH}}{\to }$Y

Y is:

1.                      2. ${\mathrm{CH}}_3{\mathrm{CH}}_2\mathrm{OH}$

3. ${\mathrm{CH}}_3\mathrm{COOH}$                       4. ${\mathrm{CH}}_3\mathrm{OH}$

The alkene among the following that has the smallest heat of hydrogenation is-

1. ${\mathrm{CH}}_3-\mathrm{CH}=\mathrm{CH}-{\mathrm{CH}}_3$

2. ${\left({\mathrm{CH}}_3\right)}_2\mathrm{C}=\mathrm{CH}-{\mathrm{CH}}_3$

3. ${\mathrm{CH}}_2=\mathrm{CH}-{\mathrm{CH}}_2-{\mathrm{CH}}_3$

4. ${\mathrm{CH}}_3-\mathrm{CH}=\mathrm{CH}-\mathrm{CH}{\left({\mathrm{CH}}_3\right)}_2$

Which of the following alkanes will give the maximum number of isomers when a monochloro-substituted product is obtained?

1.		2.
3.	${}_{}$ \(\mathrm{CH_4}\)	4.

The correct order of relative rates of hydrogenation of alkenes is:

1. Ethylene > propene > 2-butene > 2-methyl-2-butene

2. 2-methyl-2-butene > 2-butene > Propene > Ethylene

3. 2-butene > propene > ethylene > 2-methyl-2-butene

4. Propene > 2-butene > ethylene > 2-methyl-2-butene

$\stackrel{\mathrm{NBS}}{\to }$ Products formed are   Products formed are

(A)                 (B)

(C)                        (D) 
 

(A)		(B)
(C)		(D)

1. (A) and (B) only                        2. (A) and (C) only 

3. (B) and (C) only                        4. (A), (B), (C) and (D)  

An organic compound ${\mathrm{C}}_4{\mathrm{H}}_6$​ on ozonolysis gives HCHO, CH₃CHO and CO₂ . The compound will be:

(1) ${\mathrm{H}}_2\mathrm{O}=\mathrm{CH}-\mathrm{CH}={\mathrm{CH}}_2$

(2) ${\mathrm{CH}}_3-\mathrm{CH}=\mathrm{C}={\mathrm{CH}}_2$​

(3) $$${\mathrm{CH}}_3-\mathrm{C}\equiv \mathrm{C}-{\mathrm{CH}}_3$

(4)