Assertion: Glucose does not give 2,4-DNP test. Reason: Glucose exists in cyclic hemiacetal form.

Question

Assertion: Glucose does not give 2,4-DNP test. Reason: Glucose exists in cyclic hemiacetal form. (A) If both assertion and reason are true and reason is the correct explanation of assertion (B) If both assertion and reason are true but reason is not the correct explanation of assertion (C) If assertion is true but reason is false (D) If both assertion and reason are false

Tardigrade Admin · Accepted Answer

As the glucose exists in cyclic hemiacetal form, this indicates that the aldehydic group in glucose is not free and hence it does not give 2,4-DNP test.

Q. Assertion : Glucose does not give 2,4-DNP test.
Reason : Glucose exists in cyclic hemiacetal form.

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

As the glucose exists in cyclic hemiacetal form, this indicates that the aldehydic group in glucose is not free and hence it does not give $2, 4$ -DNP test.

Q. Assertion : Glucose does not give 2,4-DNP test. Reason : Glucose exists in cyclic hemiacetal form.