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Standard XII

Chemistry

Chemical Properties of Alcohol

Which among t...

Question

Which among the following is Jones reagent?

T e r t - a m y l a l c o h o l

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A l k a l i n e K M n O_{4}

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C r O_{3} i n a q u e o u s a c e t o n e

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C o n c . H_{2} S O_{4}

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Solution

The correct option is C $C r O_{3} i n a q u e o u s a c e t o n e$
Jones Reagent is $C r O_{3}$ in aqueous acetone solution. This is a mild reagent so that it oxidise alcohols without oxidizing or rearranging double bonds.

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Similar questions

Q. Which among the following is a jones reagent?

Q. Consider the following list of reagents: Acidified

K_{2} C r_{2} O_{7}

, alkaline

K M n O_{4}

C u S O_{4}

H_{2} O_{2}

C l_{2}

O_{3}

F e C l_{3}

and

N a_{2} S_{2} O_{3}

. The total number of reagents that can oxidise aqueous iodide to iodine is:

Q. Consider the following list of Reagents: Acidified

K_{2} C r_{2} O_{7}

, Alkaline

K M n O_{4}

C u S O_{4}, H_{2} O_{2}, C l_{2}, O_{3}, F e C l_{3}, H N O_{3}

and

N a_{2} S_{2} O_{3}

. The total number of reagents that can oxidise aqueous iodide to iodine is:

Q. Consider the following list of reagents.
Acidified

K_{2} C r_{2} O_{7}

, alkaline

K M n O_{4}, C u S O_{4}, H_{2} O_{2}, C l_{2}, O_{3}, F e C l_{3}, H N O_{3}

and

N a_{2} S_{2} O_{3}

.
Which of the given reagents can oxidise aqueous iodide to iodine?

Which of the following reagents can be used to oxidise primary alcohols to aldehydes?
(a) $C r O_{3}$ in anhydrous medium
(b) $K M n O_{4}$ in acidic medium
(c) Pyridinium chlorochromate
(d) Heat in the presence of Cu at 573K

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Which among the following is Jones reagent?

The correct option is C CrO3 in aqueous acetoneJones Reagent is CrO3 in aqueous acetone solution. This is a mild reagent so that it oxidise alcohols without oxidizing or rearranging double bonds.

The correct option is C $C r O_{3} i n a q u e o u s a c e t o n e$
Jones Reagent is $C r O_{3}$ in aqueous acetone solution. This is a mild reagent so that it oxidise alcohols without oxidizing or rearranging double bonds.