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Aldehydes, Ketones and Carboxylic Acids

Short Answer Type

351. Explain the following:
Butanal and butanol have almost the same solubility in water, yet, their boiling points differ widely.

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352. Describe the following:
Protonation

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353. Describe the following:
Fehling’s reagent

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354. Describe the following:
Tollen’s reagent

Tollen’s reagent: Tollen’s reagent is a solution of freshly prepared ammoniacal silver nitrate and when an aldehyde is added to Tollen’s reagent a silver mirror is formed on the inner side of the tube.The reaction occur in alkaline medium.

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355. Describe the following:
Acetylation

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356. Describe the following:
Trans-esterification.

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357. How will you prepare:

Acetaldehyde from ethyl alcohol

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358. How will you prepare:
Acetone from acetylene

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359. How will you prepare:
Acetoxime from acetaldehyde.

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360. How will you prepare:

Butanol from propanal ?

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Previous Year Papers

Test Series

Test Yourself

Short Answer Type

354. Describe the following:Tollen’s reagent

354. Describe the following:
Tollen’s reagent