In the following sequence of reaction,The Product C is from Che

Previous Year Papers

Download Solved Question Papers Free for Offline Practice and view Solutions Online.

Test Series

Take Zigya Full and Sectional Test Series. Time it out for real assessment and get your results instantly.

Test Yourself

Practice and master your preparation for a specific topic or chapter. Check you scores at the end of the test.
Advertisement

 Multiple Choice QuestionsMultiple Choice Questions

481.

2-chloro-2-methylpentane on reaction with sodium methoxide in methanol yields:

  • Both a and c

  • Only c

  • Both a and b

  • Both a and b

1011 Views

482.

Which compound would give 5-keto-2-methyl hexanal upon ozonolysis?

338 Views

Advertisement

483.

In the following sequence of reaction,
Toluene space rightwards arrow with KMnO subscript 4 on top space straight A space rightwards arrow with SOCl subscript 2 on top straight B space rightwards arrow from BaSO subscript 4 to straight H subscript 2 divided by Pd of straight C
The Product C is

  • C6H5COOH

  • C6H5CH3

  • C6H5CH2OH

  • C6H5CH2OH


D.

C6H5CH2OH

Toluene undergoes oxidation with KMnO4, forms benzoic acid. In this conversation, alkyl part of toluene converts into the carboxylic group. Further, the benzoic acid reacts with thionyl chloride (SOCl2) to give benzoyl chloride which upon reduction wth H2/Pd or BaSO4 forms benzaldehyde (Rosenmund reduction).
The reactions are


243 Views

Advertisement
484.

The most suitable reagent for the conversion of 

R-CH2 -OH →R- CHO is

  • KMnO4

  • K2Cr2O7

  • CrO3

  • CrO3

367 Views

Advertisement
485.

Sodium phenoxide when heated with CO2 under pressure at 125oC yields a product which on acetylation products C.

283 Views

486.

In the reaction,

CH subscript 3 COOH space rightwards arrow with LiAlH subscript 4 on top straight A space rightwards arrow with PCl subscript 3 on top straight B space rightwards arrow with Alc. KOH on top space straight C
The product C is

  • acetaldehyde

  • acetylene

  • ethylene

  • ethylene

212 Views

487.

Compound (A), C8H9Br, gives a white precipitate when warmed with alcoholic AgNO3. Oxidation of (A) gives a acid (B), C8H6O4. (B) easily forms anhydride on heating. Identify the compound (A)

484 Views

488.

Trichloroacetaldehyde was subjected to Cannizzaro's reaction by using NaOH. The mixture of the products contains sodium trichloroacetate ion and another compound. The other compound is

  • 2, 2, 2-Trichloroethanol

  • Trichloromethanol

  • 2, 2, 2-Trichloropropanol

  • 2, 2, 2-Trichloropropanol

255 Views

Advertisement
489.

The strongest acid amongst the following compounds is

  • CH3COOH

  • HCOOH

  • CH3CH2CH(Cl)CO2H

  • CH3CH2CH(Cl)CO2H

231 Views

490.

Ozonolysis of an organic compound gives formaldehyde as one of the products. This confirms the presence of,

  • two ethylenic double bonds

  • a vinyl group

  • an isopropyl group 

  • an isopropyl group 

257 Views

Advertisement