Among the following, the one which reacts most readily from Class Chemistry Aldehydes, Ketones and Carboxylic Acids
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    CBSE

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    Chemistry
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    NEET Chemistry : Aldehydes, Ketones and Carboxylic Acids

    Multiple Choice Questions

    181.

    o-Toluic acid on reaction with Br2+ Fe gives

    Answer
    • 182.

    The product of the given reaction is-

    Answer
    • 183.

    The nucleic acid base having two possible binding sites is

    • thymine

    • cytosine

    • guanine

    • adenine.

    Answer
    • 184.

    The most suitable reagent for the conversion of

    RCH2OH → RCHO is

    • KMnO4

    • K2Cr2O7

    • CrO3

    • PCC (pyridine chloro chromate).

    Answer
    • 185.

    The reagent used for the separation of acetaldehyde from acetophenone is

    • NaHSO3

    • C6H5NHNH2

    • NH2OH

    • NaOH-I2

    Answer
    • 186.

    Which of the following has the highest dipole moment ?

    • (H)2-C=O

    • (CH3)2-C=C-(H)2

    • CH3-CH=CH-CH3

    • CH3-C(Cl)=C(Cl)-CH3

    Answer
    • 187.

    Among the following, the one which reacts most readily with ethanol is

    • p-nitrobenzyl bromide

    • p-chlorobenzyl bromide

    • p-methoxybenzyl bromide

    • p-methylbenzyl bromide.

    Answer
    • 188.

    In the following reaction order, B is

    CH3CH2-COOH →P/Br2 A →H+alc.KOH B

    • CH2 =CH -COOH

    • CH2-CH(Br)-COOH

    • CH3CH2COBr

    • CH3CH2OH

    Answer
    • 189.

    Assertion : lsobutanal does not give iodofonn test.

    Reason : It does not have α-hydrogen.

    • If both assertion and reason are true and reason is the correct explanation of assertion

    • If both assertion and reason are true and reason is the correct explanation of assertion

    • If assertion is true but reason is false

    • If both assertion and reason are false.

    Answer
    • 190.

    Assertion : Sucrose is a non-reducing sugar.

    Reason : It has glycosidic linkage.

    • If both assertion and reason are true and reason is the correct explanation of assertion

    • If both assertion and reason are true but reason is not the correct explanation of assertion

    • If assertion is true but reason is false

    • If both assertion and reason are false

    Answer
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