List of top Chemistry Questions asked in CBSE CLASS XII

Describe a method for the identification of primary, secondary and tertiary amines. Also write chemical equations of the reactions involved.

$FeSO_4$ solution mixed with$ (NH_4)_2SO_4 $ solution in$ 1:1$ molar ratio gives the test of $Fe^{2+}$ ion but $CuSO_4$ solution mixed with aqueous ammonia in $ 1:4 $ molar ratio does not give the test of $Cu^{2+}$ ion. Explain why?

Explain the bonding in coordination compounds in terms of Werner’s postulates.

Write IUPAC names of the following compounds and classify them into primary, secondary and tertiary amines.

(i) (CH3 )2CHNH2 (ii) CH3 (CH2 )2NH2 (iii) CH3NHCH(CH3 )2

(iv) (CH3 )3CNH2 (v) C6H5NHCH3 (vi) (CH3CH2 )2NCH3 (vii) m–BrC6H4NH2

${AgNO_3}$ does not decompose where :

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