When Lunar caustic reacts with acetylene gas, it yields from Che

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 Multiple Choice QuestionsMultiple Choice Questions

861.

In a Cannizzaro reaction, the intermediate that will be least hydride donor is


862.

In the reaction, CHCl3 + 4OH- → HCOO- + 3Cl- + 2H2O the intermediate species formed is/ are

  • CCl2

  • CCl3-

  • Both (a) and (b)

  • None of the above


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863.

When Lunar caustic reacts with acetylene gas, it yields

  • Ag2O

  • AgCOOH

  • Ag2C2

  • Ag


C.

Ag2C2

When acetylene gas is passed into ammonical Lunar caustic (.e., silver nitrate solution), a white precipitate of silver acetaldehyde is obtained.

2AgNO3 + 2NH4OH + C2H2 → 2NH4NO3 + 2H2O + Ag2C2 ↓


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864.

Product P in the above reaction is


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865.

The structure of carboxylate ion is best represented as


866.

. In the above reaction, P and Q respectively are


867.

Benzaldehyde reacts with CH3NH2 forming

  • Schiff's base

  • Hofmann base

  • Saytzeff base

  • None of these


868.

Consider the following compounds

Friedel-Crafts acylation can be used to obtain:

  • II, III, IV

  • I, II, IV

  • I, II, III

  • I, III, IV


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869.

Which one of the following will be reactive for Perkin condensation ?

  • C6H5-CHO


870.

Which of the following is Reimer-Tiemann reaction?


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