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Observe the following sequence of reatio...

Observe the following sequence of reations

P shows geometrical isomersm.Q gives positive Tollen's test and the oxidation product of Tollen's test followed by acidification is the strongest acid among its all position isomers. R gives positive lab tests with 2,4-DNP, Fehling solution and `I_2//NaOH` reagents.
Identify the structure of R.

A

HCOOH

B

`CH_3HO`

C

`BrCH_2-CHO`

D

`H-oversetoverset(O)(||)C-Br`

Text Solution

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The correct Answer is:
B
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Observe the following sequence of reations P shows geometrical isomersm.Q gives positive Tollen's test and the oxidation product of Tollen's test followed by acidification is the strongest acid among its all position isomers. R gives positive lab tests with 2,4-DNP, Fehling solution and I_2//NaOH reagents. What could be the structure of Q ?

Observe the following sequence of reations P shows geometrical isomersm.Q gives positive Tollen's test and the oxidation product of Tollen's test followed by acidification is the strongest acid among its all position isomers. R gives positive lab tests with 2,4-DNP, Fehling solution and I_2//NaOH reagents. The compound P can be

Which of the following pair give positive Tollen's Test ?

Compound 'X' give positive test with 2,4 - DNP and with I_(2)//NaOH compound (X) may be :

In which of the following pairs at least one of the compounds give positive Tollens test?

A : Benzaldehydes do not give positive Fehling test R : Aldehydes give positive Tollen's test.

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