Chemistry Assessment Questions Class 12 Online Exam Quiz
Chemistry Assessment Questions Class 12 GK Quiz. Question and Answers related to Chemistry Assessment Questions Class 12. MCQ (Multiple Choice Questions with answers about Chemistry Assessment Questions Class 12
What is the major product formed when aniline reacts with bromine water at room temperature?
Options
A : 2-Bromoaniline
B : 4-Bromoanline
C : 2,6-Dibromoaniline
D : 2,4,6-Tribromoaniline
A compound ‘P’ on treating with concentrated H2SO4 forms ‘R’. The product ‘R’ on heating at 460K forms a zwitter ionic compound. Identify P, R respectively.
Options
A : Aniline; anilinium hydrogensulphate
B : Aniline; sulphanilic acid
C : Anilinium hydrogensulphate; sulphanilic acid
D : Sulphanilic acid; anilinium hydrogensulphate
What is the main product of the following reaction?
Options
A : Benzene diazonium chloride
B : Phenol
C : o-Nitrosoaniline
D : p-Nitrosoaniline
Hinsberg’s reagent is _______
Options
A : benzenesulfonic acid
B : benzenesulphonyl chloride
C : p-toluenesulphonyl chloride
D : chlorosulphuric acid
Which of the following reactions/tests does not help in the distinction between ethylamine and diethylamine?
Options
A : Carbylamine test
B : Hinsberg’s test
C : Reaction with HNO2
D : Reaction with CH3CH2Br
Which of the following is not a final product of the reaction between propylamine and nitrous acid?
Options
A : CH3CH2CH2N2Cl
B : CH3CH2CH2OH
C : N2 gas
D : H2O
Diethylamine reacts with nitrous acid in the cold to form _______
Options
A : diazonium salt
B : alcohol
C : imine
D : nitrosoamine
Which of the following amines, on reaction with benzenesulphonyl chloride, will give a sulphonamide that is insoluble in alkali?
Options
A : Ethylamine
B : Ethylmethylamine
C : Trimethylamine
D : Aniline
Which of the following amines will form a product that is soluble in KOH, on reaction with Hinsberg’s reagent?
Options
A : Isopropylamine
B : Diethylamine
C : N,N-Dimethylpropylamine
D : N,N-Dimethylaniline
The activating effect of -NHCOCH3 group is ______ as compared to -NH2 group.
Options
A : less
B : same
C : more
D : very high
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