Class 12th Chemistry 2018 Set2 Delhi Board Paper Solution
When concentrated sulphuric acid was added to an unknown salt present in a test tube a brown gas (A) was evolved. This gas intensified when copper turnings were added to this test tube. On cooling, the gas (A) changed into a colourless solid (B)
(i) Identify (A) and (B)
(ii) Write the structures of (A) and (B)
(iii) When does gas (A) change to solid on cooling ?
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(viii) Aniline to chlorobenzene
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(xix) tert-Butyl bromide to isobutyl bromide
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