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The best reagent to covert pent-3-en-2-o...

The best reagent to covert pent-3-en-2-ol into pent-3-en-2-one is :

A

acidic permanganate

B

acidic dichromate

C

chromic anhydride in glacial acetic acid

D

pyridine chlorochromate.

Text Solution

Verified by Experts

The correct Answer is:
D
Pyridine chlorochromate `(PC C)` converts secondary alcohol to ketone without affecting double bond.
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DINESH PUBLICATION-ALCOHOLS AND PHENOLS-MCQB
  1. Trans-cyclohexane-1,2-diol can be obtained by the reaction of cyclohex...

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  2. Among the following compounds which can be dehydrated very easily is:

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  3. The best reagent to covert pent-3-en-2-ol into pent-3-en-2-one is :

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  4. Acid catalysed hydration of alkenes except ethene leads to the formati...

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  5. Among the following the one that gives pistive idoform test upon react...

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  6. Pheny1 magesoium bromide reacts with methanol to give:

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  7. In the following sequence of reactions, CH(3)CH(2)OHoverset(P+I(2))(...

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  8. The major product obtanined on interaction of phenol with sodium hydr...

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  9. The main product of the following reaction is C(6)H(5)CH(2)(OH)CH(CH(3...

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  10. Which of the following has maximum p(Ka) value ?

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  11. The final product(s) of the reaction is (are) :

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  12. Ethyl alcohol cannot be used as solvent for methyl magnesium iodide be...

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  13. Which of the following give positive iodoform test ? (1) Ethanol, (2...

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  14. Phenol is heated with a solution of mixture of KBr and KBrO(3). The ma...

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  15. Which of the following reagents will produce salicyldehyde on reaction...

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  16. Which is the product of the following reaction ?

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  17. Which of the following reagents may be used to distinguish between phe...

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  18. Aspirin is known as

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  19. Ortho -nitrophenol is less soluble in water than p-and m-nitrophenols ...

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  20. Salicylaldehyde can be prepared from phenol by

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