An organic compound C₄H₆ on ozonolysis gives HCHO, CO₂, and CH₃CHO. The compound will be:-
1. H₂C=CH-CH=CH₂
2. CH₃-CH=C=CH₂
3. CH₃-C$\equiv$C-CH₃
4. 

$\underset{{\mathrm{H}}_2\mathrm{O}}{\overset{\mathrm{HCHO},{\mathrm{H}}^{+}}{\to }}$major product of this reaction is:

(a) 

(b) 

(c) 

(d) 

Product (Q) is:

1.		2.
3.		4.

 $\underset{∆}{\overset{H^{+}}{\to }}\left(A\right) \underset{kMn{O}_4}{\overset{cold dil.}{\to }} \left(B\right) \stackrel{Cr{O}_3}{\to } \left(C\right)$

Product (C) of the reaction is:-

1.		2.
3.		4.

What is the major product expected from the following reaction?

$\stackrel{\mathrm{D}-\mathrm{Cl}}{\to }$ Product   

1.  

2.  

3.  

4.  

 $\underset{2.NaB{H}_4}{\overset{1. Hg\left(OAc\right) 2.H_{2}O}{\to }}$ Product; Product is:-

1.     

2.  

3.  

4.  

How many stereoisomeric tetrabromides will be formed in the following reaction?

(a) 2

(b) 3

(c) 4

(d) 6

The major product (A) of the above reaction is:   

1.		2.
3.		4.

(Only one enantiomer is taken)
Which of the following statement is correct about A and B?
(a) A  and B are mixture of diastereomers
(b) A and B are mixture of enantiomers
(c) A and B are optically active
(d) B is racemic mixture

$\stackrel{{\mathrm{HO}}^{⊝}}{\to }$ (X) $\stackrel{\mathrm{CH}2=\mathrm{CH}-\stackrel{\oplus }{\mathrm{P}}\mathrm{Ph}3{\mathrm{Br}}^{⊝}}{\to }$ (Y)

Product (Y) of the above reaction is:

1.   

2.  

3.  

4.