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CBSE

Subject

Chemistry
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NEET Chemistry : Aldehydes, Ketones and Carboxylic Acids

Multiple Choice Questions

91.

The product of the reaction between chloral and NaOH is :

  • CH3COOH

  • CH3CHO

  • CHCl3

  • CHCl



92.

The strongest acid among the following compound is :

  • HCOOH

  • CH3CH2CH(Cl)COOH

  • ClCH2CH2CH2COOH

  • CH3COOH



93.

Which of the following compound will not show aldol condensation ?

  • CH3COCH3

  • HCHO

  • CH3CHO

  • CH3CH2CHO



94.

Which of the following statement is correct for ketone and acetaldehyde ?

  • Both reacts with HCN and forms hydrine

  • Both reacts with NaOH and forms polymer

  • both forms acid on oxidation and reduction

  • Both forms alcohol on reduction and oxidation



95.

Which does not give Cannizzaro reaction?

  • HCHO

  • C6H5CO-CHO

  • Ph-CHO

  • Ph-CH2-CHO



96.

Which compound forms urotropine when reacts with NH3 ?

  • HCHO

  • CH3CHO

  • CH3COCH3

  • C6H5OH



97.

The main product of heating of sodium formate at 360o C is :

  • CO

  • sodium oxalate

  • Na2CO3

  • None of the above



98.

Which characteristic property is not shown by carboxylic acid group ?

  • Alkyl group

  • -COOH group

  • ketonic group

  • none of these



99.

Aldehyde and ketone can be differentiated by :

  • sodium bi sulphite

  • Fehling solution

  • ammonia

  • sulphuric acid



100.

The correct reactivity otder is :

  • CH3CHO > (CH3)2CO > CH3COC2H5

  • (CH3)2CO > CH3CHO > CH3COC2H5

  • CH3CHO > CH3COC2H5 > (CH3)2CO

  • CH3COC2H5 > CH3CHO > (CH3)2CO



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