Class 12 Chemistry
Amines
Question 1:
pKb value for aniline is more than that for methylamine. Why?
Question 2:
Give relevant chemical equation in each case:
(i) Carbylamine reaction
(ii) Hofmann’s bromamide reaction
Question 3:
Give reason: Ethylamine is soluble in water whereas aniline is not soluble in water.
Question 4:
Complete the following reactions:
(i) C6H5N2Cl + H3PO2 + H2O →
Question 5:
Give the chemical test to distinguish between Ethylamine & Aniline.
Question 6:
Nitro compounds have higher boiling points than the hydrocarbons having almost the same molecular mass.
Question 7:
Identify A and B in following reaction:
Question 8:
Write the IUPAC name of the given compound:
CH3NHCH2CH(CH3)2
Question 9:
Give the addition reactions of Iso-cyanides with
(i) Cl2
(ii) S
(iii) O3
(iv) HgO
Question 10:
Give the chemical test to distinguish between Benzylamine & Aniline.
Question 11:
Give general reaction of Gabriel phthalimide synthesis.
Question 12:
Primary amines have higher boiling points than tertiary amines.
Question 13:
Give the reaction of Hinsberg’s reagent with secondary amines.
Question 14:
Aniline does not undergo Friedel – Crafts reaction. Why?
Question 15:
Give the reaction for preparation of Cyanides from
i) Amides
ii) Aldoximes
iii) Grignard reagent
Question 16:
Give Tharpe reaction.
Question 17:
Give the chemical reaction for preparation of Acetamide from Acetic acid.
Question 18:
What do we get on reduction of amides with LiAlH4?
Question 19:
What is Benzoylation reaction? Give an example.
Question 20:
Give the reaction for preparation of p-Aminoazobenzene from Aniline?
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All About Daily Practice Problems on Class 12 Chemistry Amines NCERT Chapter 9
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