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The IUPAC name of the above mentioned compound is - 
1. 1,2,3-Tricyanopropane
2. Propane-1,2,3-tricarbonitrile
3. 1,2,3-Cyanopropane
4. Propane Tricarbylamine

A pair that represents chain isomer is -
1. CH₃CHCl₂ and ClCH₂CH₂Cl
2. Propyl alcohol and Isopropyl alcohol
3. 2-Methylbutane and Neopentane
4. Diethyl ether and Dipropylether

Number of monochlorinated products (excluding stereo-isomers) obtained from the given reaction are :
                           

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

Maximum enol content is in 
1. 
2.
3.
 
4. 

Which of the following is the most stable carbocation
1. 
2. 
3. ${\mathrm{CH}}_2=\mathrm{CH}-\stackrel{\oplus }{\mathrm{C}}{\mathrm{H}}_2$
4. ${\mathrm{CH}}_2=\stackrel{\oplus }{\mathrm{C}}\mathrm{H}$

In the following compounds,

The order of basicity is
1. IV>I>III>II
2. III>I>IV>II
3. II>I>III>IV
4. I>III>II>IV

What is the decreasing order of stability of the carbocation ions?

1. I>II>III          
2. II>III>I
3. III>I>II          
4. II>I>III
 

The correct order of basicities of the following compounds is:
(1)
(2) ${\mathrm{CH}}_3-{\mathrm{CH}}_2-{\mathrm{NH}}_2$
(3) ${\left({\mathrm{CH}}_3\right)}_2\mathrm{NH}$
(4) ${\mathrm{CH}}_3-\stackrel{\stackrel{\mathrm{O}}{\left|\right|}}{\mathrm{C}}-{\mathrm{NH}}_2$
1. 2>1>3>4         
2. 1>3>2>4
3. 3>1>2>4         
4. 1>2>3>4

In pyrrole,

The electron density is maximum on
1. 2 and 3         2. 3 and 4
3. 2 and 4         4. 2 and 5

In Duma's method of estimation of nitrogen, 0.35 g of an organic compound gave 55 ml of nitrogen collected at 300 K temperature and 715 mm pressure. The percentage composition of nitrogen in the compound would be-
(Aqueous tension at 300 K = 15 mm)
1. 16.45
2. 17.45
3. 14.45
4. 15.45

Total isomers for ${\mathrm{C}}_4{\mathrm{H}}_{10}\mathrm{O}$ are- 

 has the configuration
1. R,R
2. S,S
3. R,S
4. May be 1 or 2

Which hydrocarbon is most acidic?

The aromatic compound is 

In the above compound, the correct order of hydrogen as ${\mathrm{H}}^{+}$ is 
1. 1>2>3
2. 2>3>1
3. 2>1>3
4. 3>2>1

Consider the following resonating structures of HCOOH

The order of stability is 
1. I>II>III>IV
2. IV>I>II>III
3. I>III>II>IV
4. II>I>III>IV

Which compound is most reactive towards electrophilic substitution reaction?
1. Phenol
2. Aniline
3. Methoxy benzene
4. Toulene

 The double bond in the above mentioned compound that accept proton $\left({\mathrm{H}}^{+}\right)$ fastest is-

In  the decreasing order of bond length will be
1. I>II>III
2. II>III>I
3. III>II>I
4. II>I>III