1).The interactions between the different molecules of a compound having parmanent dipole is called
(A)London forces
(B)Hydrogen bonding
(C)Dipole-dipole interaction
(D)Ionic bonding

Ans: Dipole-dipole interaction

2).The reduction of carbonyl group to CH2 group by using zinc amalgam and HCl is called
(A)Clemmensen reduction
(B)Aldol reduction
(C)Wolff Krishner reduction
(D)none of the option

Ans: Clemmensen reduction

3).Nucleophilic ……………... substitutions do not follow SNl and SN2 pathways
(A)Aliphatic
(B)Aldehydes
(C)Aromatic
(D)acidity

Ans: Aromatic

4).The basicities of the following compounds decrease in order:Aniline, N,N-dimethylaniline, N-methylaniline,
(A)N,N-dimethylaniline > Aniline > N-methylaniline
(B)N,N-dimethylaniline > N-methylaniline > aniline
(C)N-methylaniline > aniline >N,N-dimethylaniline
(D)none of the option

Ans: N,N-dimethylaniline > N-methylaniline > aniline

5).(C2H5)4Pb is the chemical formular for
(A)Tetramethyl lead
(B)Tetraethyl lead
(C)Tetrabutyl lead
(D)none of the option

Ans: Tetraethyl lead

6).The effect arising from the spatial interactions between the groups is called
(A)Solvent
(B)Steric
(C)Inductive
(D)mesomeric

Ans: Steric

7).(C2H5)4Pb is the chemical formular for
(A)Tetramethyl lead
(B)Tetraethyl lead
(C)Tetrabutyl lead
(D)none of the option

Ans: Tetraethyl lead

8).The interactions between the different molecules of a compound having parmanent dipole is called
(A)London forces
(B)Hydrogen bonding
(C)Dipole-dipole interaction
(D)Ionic bonding

Ans: Dipole-dipole interaction

9).Nucleophilic ……………... substitutions do not follow SNl and SN2 pathways
(A)Aliphatic
(B)Aldehydes
(C)Aromatic
(D)acidity

Ans: Aromatic

10).The basicities of the following compounds decrease in order:Aniline, N,N-dimethylaniline, N-methylaniline,
(A)N,N-dimethylaniline > Aniline > N-methylaniline
(B)N,N-dimethylaniline > N-methylaniline > aniline
(C)N-methylaniline > aniline >N,N-dimethylaniline
(D)none of the option

Ans: N,N-dimethylaniline > N-methylaniline > aniline