An unsaturated hydrocarbon on complete hydrogenation gives 1-isopropyl-3 methylcyclohexane, after ozonolysis it gives one mole of formaldehyde, one mole of acetone and one mole of 2,4-Dioxohexanedial. The possible structure of the hydrocarbon may be:

1.		2.
3.		4.

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

(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)  

When propane is reacted with conc. ${\mathrm{HNO}}_3$ at $400-500°\mathrm{C}$ the number of nitro alkanes obtained are 

1. 1                              2. 2

3. 3                              4. 4  

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

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. ${\mathrm{CH}}_3{\mathrm{CH}}_2\stackrel{+}{{\mathrm{CH}}_2}$

${\mathrm{CH}}_3\mathrm{Cl}\stackrel{\mathrm{Na}}{\to }$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 same is

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

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

1. 3-Keto butanol

2. Butane-1,4-dial

3. 3-Oxo-butan-1-al

4. 2-Keto-butane-1,4-dial

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

The product Y is

The product (s) obtained via oxymercuration-dermercuration of butyne would be

1.                                2. 

3. +${\mathrm{CH}}_2\mathrm{O}$                    4.+ HCOOH

2-bromopentane is heated with potassium ethoxide in ethanol. The major product obtained is- 

1. 2-Ethoxypentane               

2. Pent-1-ene

3. trans-pent-2-ene               

4. cis-Pent-2-ene