Which of the provided alkenes exhibits the greatest stability?

1.		2.
3.		4.

$\stackrel{1\mathrm{eq}.\mathrm{NBS}}{\to }$ X$\stackrel{{\mathrm{PhO}}^{-}}{\to }$Y (major product)      

The product Y is -

1.		2.
3.		4.

$\underset{\mathrm{Zn}/\mathrm{AcOH}}{\overset{{\mathrm{O}}_3}{\to }}$A
A is:

1. 3-keto butanol

2. Butan-1,4-dial

3. 1-aldo-2-butanone

4. 2-keto butan-1,4-dial

A compound 'A'

1. Decolourises Baeyer's reagent

2. On hydroxylation and futher oxidation with ${\mathrm{KMnO}}_4$ gave formic acid and acetone

3. On ozonolysis gave one molecule of acetone and one of formaldehyde 'A' is

1. Propylene            2. Ethylene

3. n-butylene           4. Isobutylene

The most reactive of these compounds towards sulphonation is

1. Toluene                         2. Chlorobenzene

3. Nitrobenzene                 4. m-Xylene

${\mathrm{CH}}_3\mathrm{Cl}\stackrel{\mathrm{Na}}{\to }$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 $\underset{\mathrm{Alk}.<mspace\; width="1em"></mspace>{\mathrm{KMnO}}_4}{\overset{\mathrm{Cold}<mspace\; width="1em"></mspace>\mathrm{dil}}{\to }}$ 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. ${\mathrm{CH}}_3\mathrm{OH}$