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    CBSE

    Subject

    Chemistry
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    NEET Chemistry : Aldehydes, Ketones and Carboxylic Acids

    Multiple Choice Questions

    71.

    Which one of the following reactions cannot be used for the reduction of:

    • HI and red phosphorus at 200C

    • Wolff-Kishner reduction

    • Clemmensen reduction

    • Wurtz reaction

    Answer
    • 72.

    In the given reaction,

    CH3-CH2-CH2-O-CH2-CH3→coldHCl [X]+[Y]

    [X]+[Y] are respectively.

    • CH3-CH2-CH2OH and CH3-CH2-Cl

    • CH3-CH2-CH2-Cl and CH2-CH2-OH

    • CH3-CH2-CH2-Cl and CH2=CH2

    • CH3-CH3=CH2 and CH2=CH2

    Answer
    • 73.

    During reduction of carbonyl compounds by hydrazine and KOH, the first intermediate formed is:

    • RC≡N

    • RCONH2

    • RCH≡N

    • RCH=NH2

    Answer
    • 74.

    CH3CH2C≡CH →R butanone-2. R is

    • Hg++/ dil.H2SO4

    • KMnO4

    • KClO3

    • K2Cr2O7

    Answer
    • 75.

    o-toluic acid on reaction with Br2 + Fe gives:

    Answer
    • 76.

    Predict the following product

    (X) Cinnanaic acid is

    Answer
    • 77.

    Predict the product Bin the given reaction:

    Answer
    • 78.

    In the reaction

    HCL+O+CH3MgI  → A  →H2O  B+Mg(OH) I

    What are A and B?

    • CH3O MgI and CH3-OH

    • CH3CH2 OMg I and C2H5-O-C2H5

    • CH3CH2O Mg I and CH3-CH2-OH

    • CH3-CH2-I and CH3-CH2-OH

    Answer
    • 79.

    Vinegar contains

    • 100% acetic acid

    • 10- 20% acetic acid

    • 7 - 8% acetic acid

    • 1% acetic acid

    Answer
    • 80.

    Identify the correct decreasing order of acidity of the given carboxylic acid.                               

    Answer
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