The cylindrical shape of an alkyne is due to the presence of- 

1. Three sigma C-C bonds

2. Three π C-C bonds

3. Two sigma C-C and one π C-C bonds

4. One sigma C-C and two π C-C bonds

The number of primary carbon atoms in the following compound are:

 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 :

The number of tertiary carbon atoms in tertiary butyl alcohol are-

Isomerism exhibited by acetic acid and methyl formate is:
1. Functional
2. Chain
3. Geometrical
4. Central 

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

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

A paramagnetic species among the following is-

The IUPAC name of the above mentioned compound is - 

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