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The compound (A) is:...


The compound `(A)` is:

A

a.`Aq. KMnO_(4)`

B

b.`NaOI`

C

c.`[Ag(NH_(3))_(2)]^(o+)//H_(3)O^(o+)`

D

d.`MnO_(2)`

Text Solution

Verified by Experts

The correct Answer is:
C
In `(a)`, aqueous `KMnO_(4) (cold)` will hydroxylate the `(C=C)` bond.
In `(b), NaOI` (iodoform reaction) will not react since there is no `(MeCO-)` or `(MeCHO)` or `(MeCH OH)` group.
In `(c )`, Tollens reagent will convert the `(-CHO)` group to `(COO^(ɵ))` group without affecting `(C=C)` bond.
`Ph-CH=CH-CHO underset((ii) H_(3)O^(o+))overset((i) "Tollens reagent")(rarr) Ph-CH=CH-COH`
In `(d), MnO_(2)` will not react, since it does not contain allylic or benzylic group. So the answer is `(c )`.
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CENGAGE CHEMISTRY ENGLISH-REDUCTION AND OXIDATION REACTION OF ORGANIC COMPOUNDS-Exercise (Single Correct)
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  3. (A) will not

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  4. CH(3)CH(2)NO(2) underset(at 0^(@)C)overset(NaNO(2)+HBr)(rarr) (A). (A)...

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  5. Which of the following does not give Liebermann's nitroso reaction?

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  6. Of the following compounds, whose ozonolysis proves the Kekule structu...

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  7. CH(3)-overset(CH(3))overset(|)(CH)-NO(2) underset(at 0^(@)C)overset(Na...

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  8. Which of the following compounds are (A), (B), (C ), and (D)? Ph-ove...

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  9. The compound (A)

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  10. Fenton's regent (Fe^(2+)+H(2)O(2)) with benzene gives:

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  11. Lactic acid on oxidation with Fenton's reagent gives:

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  12. The compounds (A) and (B) are:

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  13. (A) is:

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  14. The compound (A) is:

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  15. The compound (A) is:

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  16. Which single reagent can be used in the following conversions?

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  17. Et-N^(o+)-=C^(ɵ) underset(or HgO or O(3))overset(Cl(2)+DMSO)(rarr). Th...

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  18. Imines or enamines are selectively reduced to 1^(@) or 2^(@) amines wi...

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  19. Caprolactam on reduction with LAH or H(2)+Pt or Pd gives:

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  20. Caprolactam on reduction with LAH or H(2)+Pt or Pd gives:

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