Home
Class 12
CHEMISTRY
With an example explain the following: ...

With an example explain the following:
(i) Clemmensen's reduction
(ii) Kolbe's reaction.

Text Solution

Verified by Experts

(i) When a ketone is treated with Zn-Hg/conc. HCl a hydrocarbon is obtained.
Any example with equation.
OR
When acetone/acetophenone is treated with zinc amalgam and concentrated HCl, Propane/ethyl benzene is obtained.
`CH_(3)COOCH_(3)+4[H]underset("Conc."HCl)overset(Zn-Hg)(to)CH_(3)-CH_(2)-CH_(3)+H_(2)O`
`C_(6)H_(5)COCH_(3)+4[H]underset("Conc."HCl)overset(Zn-Hg)(to)C_(6)H_(5)-CH_(2)-CH_(3)+H_(2)O`
(ii) Dry sodium phenate is heated with carbon dioxide at `140^(@)C` under 4-7 atm pressure
The product obtained an acidification gives salicylic acid.
Promotional Banner

Topper's Solved these Questions

  • ALDEHYDES, KETONES AND CARBOXYLIC ACIDS

    OSWAAL PUBLICATION|Exercise TOPIC -2 METHODS OF PREPARATION OF ALDEHYDES AND KETONES (LONG ANSWER TYPE QUESTIONS -I)|7 Videos

  • ALDEHYDES, KETONES AND CARBOXYLIC ACIDS

    OSWAAL PUBLICATION|Exercise TOPIC -2 METHODS OF PREPARATION OF ALDEHYDES AND KETONES (LONG ANSWER TYPE QUESTIONS -II)|1 Videos

  • ALDEHYDES, KETONES AND CARBOXYLIC ACIDS

    OSWAAL PUBLICATION|Exercise TOPIC -2 METHODS OF PREPARATION OF ALDEHYDES AND KETONES (VERY SHORT ANSWER TYPE QUESTIONS)|8 Videos

  • ALCOHOLS, PHENOLS AND ETHERS

    OSWAAL PUBLICATION|Exercise TOPIC -4 CLASSIFICATION AND NOMENCLATURE OF ETHERS (LONG ANSWER TYPE QUESTION -II)|1 Videos

  • BIOMOLECULES

    OSWAAL PUBLICATION|Exercise TOPIC -II (LONG ANSWER TYPE QUESTIONS)|2 Videos

Similar Questions

Explore conceptually related problems

Explain Kolbe's reaction.

Explain Kolbe's reaction

Explain the Kolbe's reaction.

Define the following : (i) Elementary step in a reaction, (ii) Rate of the reaction.

Explain with an example, Clemmensen's reduction.

The reagent used in Clemmensen reduction is

What is the reducing agent used in Clemmensen's reduction?