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 Multiple Choice QuestionsMultiple Choice Questions

1.

Select the ether among following that yields methanol as one the products on reaction with cold hydroiodic acid

  • 1-methoxybutane

  • 1-methoxybutane-2-methylpropane

  • 2-methoxy-2-methylpropane

  • methoxybenzene


2.

Arrange the following compounds in order of decreasing acidity

  • II>IV>I>III

  • I>II>III>IV

  • III>I>II>IV

  • III>I>II>IV

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3.

A solution of (–) –1 – chloro –1 – phenylethane is toluene racemises slowly in the presence of a small amount of SbCl5, due to the formation of

  • carbanion

  • Carbene

  • Carbocation

  • Carbocation

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4.

Iodoform can be prepared from all except

  • ethyl methyl ketone

  • isopropyl alcohol

  • 3-methyl-2-butanone

  • 3-methyl-2-butanone

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5.

Phenol is heated with a solution of a mixture of KBr and KBrO3.The major product obtained in the above reaction is

  • 2-Bromophenol

  • 3-Bromophenol

  • 4-Bromophenol

  • 4-Bromophenol

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6.

Which of the following reagents may be used to distinguish between phenol and benzoic acid ?

  • Aqueous NaOH

  • Tollen's reagent

  • Molisch reagent

  • Molisch reagent

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7.

From amongst the following alcohols the one that would react fastest with conc. HCl and anhydrous ZnCl2, is

  • 1-Butanol

  • 2-Butanol

  • 2-Methylpropan-2-ol

  • 2-Methylpropan-2-ol

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8.

The main product of the following reaction is

straight C subscript 6 straight H subscript 5 CH subscript 2 CH left parenthesis OH right parenthesis CH left parenthesis CH subscript 3 right parenthesis subscript 2 space rightwards arrow with Conc. space straight H subscript 2 SO subscript 4 on top space ?

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9.

The major product obtained on the interaction of phenol with sodium hydroxide and carbon dioxide is

  • Benzoic acid

  • Salicylaldehyde

  • Salicylic acid

  • Phthalic acid

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10.

Which of the following on heating with aqueous KOH, produces acetaldehyde?

  • CH3COCl

  • CH3CH2Cl

  • CH2Cl CH2Cl

  • CH2Cl CH2Cl


D.

CH2Cl CH2Cl

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