हिंदी

Assertion (A): Carboxylic acids react with alcohol in presence of concentrated H2SO4 to produce a fruity smell. Reason (R): It is due to the formation of an aldehyde.

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प्रश्न

Assertion (A): Carboxylic acids react with alcohol in presence of concentrated H2SO4 to produce a fruity smell.

Reason (R): It is due to the formation of an aldehyde.

  1. Both A and R are true and R is the correct explanation of A.
  2. Both A and R are true but R is not the correct explanation of A.
  3. A is true but R is false.
  4. A is false but R is true.

विकल्प

  • (1)

  • (2)

  • (3)

  • (4)

MCQ
अभिकथन और तर्क
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उत्तर

(3)

Explanation:

Carboxylic acids react with alcohols in the presence of concentrated H2SO4 to form esters, which have a pleasant fruity smell. Therefore, the Assertion (A) is true.

The fruity smell is due to the formation of an ester, not an aldehyde. Therefore, the Reason (R) is false.

Hence, A is true but R is false.

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अध्याय 12: Organic Chemistry - MISCELLANEOUS [पृष्ठ २३३]

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एस पी सिंग Concise Chemistry [English] Class 10 ICSE
अध्याय 12 Organic Chemistry
MISCELLANEOUS | Q (A) 23. | पृष्ठ २३३
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