WBJEE-JENPAS-UG SERIES Chemistry
Classification Of Organic Compounds
6 previous year questions.
Volume: 6 Ques
Yield: Medium
High-Yield Trend
3
2023 3
2022 Chapter Questions 6 MCQs
01
PYQ 2022
medium
chemistry ID: wbjee-je
For complex compounds, the correct statements are:
(A) Number of unpaired electrons of both tetrahedral and octahedral complexes depends on the nature of the ligands.
(B) In general, copper (II) and zinc (II) display coloured and colourless complex compounds, respectively.
(C) Shape of co-ordination compounds does not depend on the hybridization of the central metal.
(D) Nickel (II) complexes show diamagnetic and paramagnetic behaviour in square planer and octahedral structures, respectively.
(A) Number of unpaired electrons of both tetrahedral and octahedral complexes depends on the nature of the ligands.
(B) In general, copper (II) and zinc (II) display coloured and colourless complex compounds, respectively.
(C) Shape of co-ordination compounds does not depend on the hybridization of the central metal.
(D) Nickel (II) complexes show diamagnetic and paramagnetic behaviour in square planer and octahedral structures, respectively.
1
Number of unpaired electrons of both tetrahedral and octahedral complexes depends on the nature of the ligands.
2
In general, copper (II) and zinc (II) display coloured and colourless complex compounds, respectively.
3
Shape of co-ordination compounds does not depend on the hybridization of the central metal.
4
Nickel (II) complexes show diamagnetic and paramagnetic behaviour in square planer and octahedral structures, respectively.
02
PYQ 2022
easy
chemistry ID: wbjee-je
Consider the above reaction; which one of the following compounds does not produce acetanilide from aniline?
1
H3C-CO-CI
2
H3C-CO-O-CO-CH3
3
H3C-CO-H
4
C6H5OCOCH3
03
PYQ 2022
medium
chemistry ID: wbjee-je
Arrange the following compounds in increasing order of acidity.
1
(I)<(II)<(III)<(IV)
2
(I)<(III)<(II)<(IV)
3
(IV)<(I)<(II)<(III)
4
(IV)<(II)<(I)<(III)
04
PYQ 2023
medium
chemistry ID: wbjee-je
During extraction of copper (Cu) from its sulphide ore, which of the following compound is used to reduce the Cu₂O to Cu ?
1
FeS
2
Cu₂S
3
4
CO
05
PYQ 2023
medium
chemistry ID: wbjee-je
IUPAC name of the following organic compound is
1
4-Methoxy-2-methylpent - 1 - ene
2
2-Methoxy-4-methylpent - 4 - ene
3
4-Methoxy-2-methylpent - 2 - ene
4
5-OXO-2,4-dimethylpent - 1 - ene
06
PYQ 2023
medium
chemistry ID: wbjee-je
Among the following compounds the compound which has the highest solubility in water is
1
Phenol
2
Benzophenone
3
Benzoic acid
4
Sodium benzoate