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 Multiple Choice QuestionsMultiple Choice Questions

301.

2 2-dichloro propane on hydrolysis yields

  • acetone

  • 2, 2-propane diol

  • isopropyl alcohol

  • acetaldehyde


302.

For synthesis of 1-butene, CH3MgI should be treated with

  • propene

  • 2-chloropropene

  • allyl chloride

  • ethyl chloride


303.

Ethylidene dichloride is obtained by the reaction of excess of HCl with

  • ethylene

  • acetylene

  • propene

  • methane


304.

Hardening of oil is done by

  • dehydrogenation

  • hydrogenation

  • dehydrohalogenation

  • dehydration


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305.

Which one of the following compounds will react with methyl magnesium iodide ?

  • CH3CH2CH2CH2CH3

  • CH3CH=CH-CH=CH2

  • CH3-CC-CH2CH3

  • CH3CH2CH2CCH


D.

CH3CH2CH2CCH

CH3CH2CH2CCH + CH3MgBr  CH4 = Mg<CCCH2CH2CH3Br

Due to the presence of acidic hydrogen (hydrogen attached to triply bonded carbon atom) terminal alkyne (d) will react with methyl magnesium bromide.


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306.


307.

Which of the following compounds do not give different isomers on monochlorination?

  • Neo-pentane

  • n-butane

  • Iso-butane

  • Iso-pentane


308.

By which of the following process hydrocarbons are found from petroleum?

  • Combustion

  • Fractional distillation

  • Addition

  • All of the above


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309.

The false statement regarding alkane is

  • this does not perform polymerization reaction

  • this does not gives elimination reaction

  • it does not disappear the colour of dilute KMnO4 solution

  • it does not decolourise bromine water


310.

Which of the following aromatic compound gives sulphonation reaction very easily?

  • Chlorobenzene

  • Nitrobenzene

  • Toluene

  • Benzene


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