Halogen Derivatives

20 solved questions

Chapter test coming soon ← Previous Next chapter →

Every question from past board papers on Halogen Derivatives, newest paper first. Open any question for its full worked answer.

Maharashtra HSC Chemistry Board Paper March 2026 with Solutions

Full paper →

Q.1 (iii) Acetonitrile may be prepared by heating the following reactants :

1 mark · See worked answer →
Q.11
What is the action of following reagents on chlorobenzene? (i) conc. HNO₃ (ii) fuming H₂SO₄

2 marks · See worked answer →

Full paper →

Q.14 Explain optical activity of 2-chlorobutane.

2 marks · See worked answer →
Q.31
(a) What is the action of following reagents on Bromoethane?
(i) KNO₂
(ii) ‘Mg’ metal
(iii) Silver acetate
(b) Draw structure - DDT insecticide.

4 marks · See worked answer →

Full paper →

Q.13 Identify ‘A’ and ‘B’ in the following reaction and rewrite the complete reaction :
\(\mathrm{CH_3\text{-}CH=CH_2 \xrightarrow[Peroxide]{HBr} A \xrightarrow[-KBr]{alcoholic\ KCN} B}\)

2 marks · See worked answer →
Q.31 (a) Write salient features of S_N2 mechanism.
(b) What is the action of following reagents on bromomethane :
(i) bromobenzene
(ii) mercurous fluoride

4 marks · See worked answer →

Full paper →

Q.1 (ix) The metal used in preparation of Grignard reagent is _____.

1 mark · See worked answer →
Q.12 Complete the following reactions –
(i) CH₃–CH=CH₂ + HBr → ?
(ii) C₂H₅OH + SOCl₂ —(Δ)→ ?

2 marks · See worked answer →

Full paper →

Q.1 (viii) Among the following vinylic halide is ______.

1 mark · See worked answer →
Q.2 (iii) Complete the reaction: CH₃CH₂Cl —(AgCN, alc., Δ)→ ?

1 mark · See worked answer →
Q.10 Write preparation of (a) diethyl ether (b) ethyl cyanide from ethyl bromide.

2 marks · See worked answer →
Q.18 What is the action of following on ethyl bromide ?
(a) silver nitrite
(b) Mg in dry ether
(c) alcoholic sodium hydroxide

3 marks · See worked answer →

Full paper →

Q.1 (vii) Among the following benzylic halide is ____.

1 mark · See worked answer →
Q.2 (i) Write the name of insecticide which is effectively used instead of DDT.

1 mark · See worked answer →
Q.2 (ii) Write the name of hydrocarbon formed when methyl magnesium iodide is treated with ammonia.

1 mark · See worked answer →
Q.12 Write salient features of S_N1 mechanism.

2 marks · See worked answer →
Q.25 Explain optical isomerism in 2-chlorobutane.

3 marks · See worked answer →