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Published on: 24/05/2021
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Download CBSE Class 12th Standard CBSE Chemistry question papers, sample papers, important questions, and previous year solved papers in PDF format. Get free study materials, NCERT solutions, and exam preparation resources for Class 12th Standard CBSE Chemistry
Questions + Answers key
Take MCQ Chemistry Test
1.
Which of the following conversions can be carried out by Clemmensen reduction ?
Benzaldehyde into benzyl alcohol
Cyclohwxanonc into cyclohexane
Benzoyl chloride into benzaldehyde
Benzophenonc into diphenylmethane
2.
In Clemmensen reduction, carbonyl compound is treated with _____________ .
Zinc amalgam + HCI
Sodium amalgam + HCI
Zinc amalgam + nitric acid
Sodium amalgam + HNO3
3.
Which of the following compounds will give butanone on oxidation with alkaline KMnO4 solution?
Butan - I - oI
Butan - 2 - ol
Both of these
None of these
4.
The reagent which does not react with both, acetone and benzaldehyde is
Sodium hydrogensulphite
Phenyl hydrazine
Fehling's solution
Grignard reagent
5.
The correct order of increasing acidic strength is ________________.
Phenol
Ethanol
Ethanol
Chloroacetic acid
1.
(b)
Cyclohwxanonc into cyclohexane
2.
(a)
Zinc amalgam + HCI
3.
(b)
Butan - 2 - ol
4.
(c)
Fehling's solution
5.
(c)
Ethanol
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