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How many stereoisomers does this molecule have?           
CH₃CH=CHCH₂CHBrCH₃
1. 4       
2. 6       
3. 8       
4. 2

The number of all types of isomers of chlorobutane is :
1. 2
2. 4
3. 6
4. 5

Tautomerism will be exhibited by                 
1. (CH₃)₃CNO               
2. (CH₃)₂NH
3. R₃CNO₂                   
4. RCH₂NO₂

 The structure of diphenylmethane is given below:
 
The number of  structural isomers possible when one of the hydrogen atom is replaced by a chlorine atom are :

Which type of structure(s) is/are possible for ${\mathrm{C}}_3{\mathrm{H}}_6\mathrm{O}$ ?
1. Cyclic alcohols
2. Cyclic Ether
3. Ketone
4. All of these

The following molecule is fluorometholone, a steroidal anti-inflammatory agent. How many stereogenic centres does it contain?

1. 5
2. 6
3. 7
4. 8

The number of possible isomers of the aromatic compound with molecular formula C₇H₈O are :
1. 3
2. 5
3. 7
4. 9

Among the following, the Newmann projections of meso-2,3- butanediol are :

1. P,Q
2. P,R
3. R,S
4. Q,S

Among the structure shown below, which has lowest potential energy?
1. 
2. 
3. 
4. 

The number of stereo isomers for 3-pentene 2-ol
1. 2 
2. 4 
3. 3 
4. 5
 

Correct stability order of the given tautomers is :
1. I > II > III
2. III > II > I
3. II > I > III
4. II > III > I

The chirality of the compound                           

1. R 
2.  S
3. Z 
4. E

How many enol form is possible for ${\mathrm{CH}}_3{\mathrm{CH}}_2-\stackrel{\mathrm{O}}{\stackrel{\left|\right|}{\mathrm{C}}}-{\mathrm{CH}}_2{\mathrm{CH}}_2{\mathrm{CH}}_3$ (including stereoisomers) will be?
1. 2
2. 3
3. 4
4. 5

Which of the following pairs of compounds are functional isomers?

1.		2.
3.		4.

The structure of cis-bis (propenyl) ethene is:
1. 
2. 
3. 
4.