An octane number 100 is given to:

1. n-hexane

2. Iso-octane 

3. neo-pentane

4. neo-octane 

Xylene, on oxidation with acidic ${\mathrm{KMnO}}_4$, gives:

Octane no. of a fuel can be increased by:

1. isomerism 

2. alkylation

3. reforming 

4. all of these

 is not converted to  by:     

1. Wolff-Kishner reaction

2. Clemmensen reduction

3. Red P + HI at $200°\mathrm{C}$

4. Wurtz's reaction

Acetylene reacts with 42% ${\mathrm{H}}_2{\mathrm{SO}}_4$ containing 1% ${\mathrm{HgSO}}_4$ to give:

1. ${\mathrm{C}}_2{\mathrm{H}}_5{\mathrm{HSO}}_4$                               

2. ${\mathrm{CH}}_3\mathrm{CHO}$

3. HCHO                                       

4. ${\mathrm{CH}}_2={\mathrm{CH}}_2$

In a reaction, 

${\mathrm{CH}}_2={\mathrm{CH}}_2$$\underset{\mathrm{acid}}{\overset{\mathrm{Hypochlorous}}{\to }}$M$\stackrel{\mathrm{R}}{\to }$$\underset{{\mathrm{CH}}_2\mathrm{OH}}{\underset{|}{{\mathrm{CH}}_2\mathrm{OH}}}$

M = molecules, R = reagent. M and R are

1. ${\mathrm{CH}}_3{\mathrm{CH}}_2\mathrm{Cl}$ and NaOH

2. ${\mathrm{CH}}_2\mathrm{Cl}.{\mathrm{CH}}_2\mathrm{OH}$ and aq. ${\mathrm{NaHCO}}_3$

3. ${\mathrm{CH}}_3{\mathrm{CH}}_2\mathrm{OH}$ and HCl

4.  and heat

In the following reaction the catalyst used is:

         $\to$${\mathrm{C}}_6{\mathrm{H}}_6$ + 3${\mathrm{H}}_{\mathrm{2 \; \; }}$

1. ${\mathrm{Cr}}_2{\mathrm{O}}_3$                                      2. $A{l}_2{\mathrm{O}}_3$

3. Zn dust                                    4. ${\mathrm{Cr}}_2{\mathrm{O}}_3$ and $A{l}_2{\mathrm{O}}_3$

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

What product(s) will be obtained from the ozonolysis of the compound shown below?

1.		2.
3.		4.	None of the above

Ethylene forms ethylene chlorohydrin by the action of:

1. dry chlorine gas

2. dry hydrogen chlorine gas

3. solution of chlorine gas in water

4. dilute hydrochloric acid