(a) Ch3COCl
(b) ClCH2CHO
(c) Cl2CHCHO
(d) ClCH2COOH
Answer: (c)
2. When 2 - butyne is treated with dil. H2SO4 / HgSO4 , the product formed is
(a) Butanol - 1
(b) Butanol - 2
(c) 2 - Butanone
(d) Butanal
Answer: (c)
3. Hydration of which of the following yields a ketone ?
(a) Propyne
(b) Ethene
(c) Propene
(d) Ethyne
Answer: (a)
4. When 2 - butyne is treated with H2 in presence of Pd - BaSO4 ; the product formed will be
(a) cis - 2 - butene
(b) trans - 2 - butene
(c) 1-butene
(d) 2 - hydroxybutane
Answer: (a)
5. 2 - Hexyne gives trans - 2 - hexene on treatment with
(a) Li / NH3
(b) Pd / BaSO4
(c) LiAlH4
(d) Pt / H2
Answer: (a)
6. Which of the following reagents will be able to distinguish between 1- butyne and 2 - butyne ?
(a) NaNH2
(b) HCl
(c) O2
(d) Br2
Answer: (a)
7. Catalyst used in dimerisation of acetylene to prepare chloropropene is
(a) HgSO4 + H2SO4
(b) Cu2Cl2
(c) Cu2Cl2 + NH4OH
(d) Cu2Cl2 + NH4Cl
Answer: (d)
8. Which one of the following compounds is not formed in the " catalytic cracking " of octane ?
(a) Pentane
(b) Butene
(c) Propene
(d) Hydrogen gas
Answer: (d)
9. Which one of the following compounds is not formed in the metal catalysed thermal dehydrogenation of butane ?
(a) Hydrogen gas
(b) cis - butene
(c) trans - butene
(d) 1,2 - butadiene
Answer: (d)
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