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A ketone gives a yellow precipitate, whe...

A ketone gives a yellow precipitate, when treated with `I_(2)`in an alkaline solution. Thus, the ketone is :

A

a cyclic ketone

B

a methyl ketone

C

an unsaturated ketone

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
B
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OP TANDON-ALDEHYDES AND KETONES -OBJECTIVE QUESTIONS (LEVEL -A)
  1. CH(3)CH=CHCHO is oxidised to CH(3)-CH=CHCOOH, using oxidising agent as...

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  2. Propan on aldol condensation with aqueous K(2)CO(3) gives mainly :

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  3. A ketone gives a yellow precipitate, when treated with I(2)in an alkal...

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  4. The product (s) via - oxymercuration (HgSO(4)+H(2)SO(4)) of 1- butyne...

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  5. Ketones (R(1)COR(2)):R(1)=R(2)=alkyl group, can be obtained in one ste...

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  6. Among the given compounds, the most susceptible to nucleophilic attack...

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  7. In the Cannizzaro reaction given below: 2Ph-CHO overset(overset(Θ)OH...

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  8. In the following sequence of reactions, the alkene affords the compoun...

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  9. Which of the following reactions will not result in the formation of c...

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  10. In a Cannizaro reaction the intermediate that will be the best hydride...

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  11. Complete the following reaction

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  12. The enol form of acetone after treatment with D(2)O gives:

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  13. Oxidation of acetaldehyde with selenium dioxide produces:

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  14. Which will not give formaldehyde on heating or upon distillation ?

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  15. The appropriate reagent for the following transfromation:

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  16. Which of the following has the most acidic hydrogen ?

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  17. Reaction of carbonyl compound with one of the following reagents invol...

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  18. Which of the following is the industrial method of preparation of acea...

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  19. Acetone, formaldehyde and acetaldehyde can be distinguished when treat...

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  20. When three molecules of acetone condense in presence of dry CHl, the p...

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