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1 Organic Chemistry MCQs

O₃ reacts with CH₂=CH₂ to form ozonide. On hydrolysis it forms:

  • Ethylene oxide
  • HCHO
  • Ethylene glycol
  • Ethyl alcohol
0 Comments
Correct Answer: B. HCHO

Explanation:

Ozonolysis is a reaction in which ozone (O₃) reacts with alkenes to break ... Read More Details

2 English MCQs

Detect analogy : Chucker : Mallet : Bunder

  • Sports
  • Soils
  • Snooker
  • Polo
0 Comments
Correct Answer: B. Soils

Explanation: ...

3 English MCQs

Detect analogy : Newspaper : Hoarding : Television

  • Press
  • Media
  • Broadcast
  • Rumour
0 Comments
Correct Answer: B. Media

Explanation: ...

4 English MCQs

Detect analogy: Bantus : Khasis : Maoris

  • Tribal groups
  • Herdsmen
  • Pasture lands
  • Mountaineers
0 Comments
Correct Answer: A. Tribal groups

Explanation: ...

5 Organic Chemistry MCQs

Dimethyl ketones are usually characterized through _____________?

  • Tollen’s reagent
  • Iodoform test
  • Schiff’s test
  • Benedict’s reagent
0 Comments
Correct Answer: B. Iodoform test

Explanation:

Dimethyl ketone, also known as acetone, is the simplest ketone with the formula ... Read More Details

6 Organic Chemistry MCQs

Silver mirror is a test for ____________?

  • Aldehydes
  • Thio alcohols
  • Amines
  • Ethers
0 Comments
Correct Answer: A. Aldehydes

Explanation:

The silver mirror test is a classical chemical reaction used to detect the ... Read More Details

7 Organic Chemistry MCQs

Which of the following is the typical reaction of aldehyde?

  • Electrophilic addition
  • Nucleophilic substitution
  • Nucleophilic addition
  • Nucleophilic elimination
0 Comments
Correct Answer: C. Nucleophilic addition

Explanation:

Aldehydes are organic compounds characterized by the presence of a carbonyl group (C=O) ... Read More Details

8 Organic Chemistry MCQs

Fehling solution reacts with HCHO to form precipitate of _____________?

  • White colour
  • Yellow colour
  • Red colour
  • Blue colour
0 Comments
Correct Answer: C. Red colour

Explanation:

Fehling's solution is a chemical reagent used to detect the presence of reducing ... Read More Details

9 Organic Chemistry MCQs

In aldehydes and ketones, carbon of carbonyl group is ____________?

  • sp³ hybridised
  • sp² hybridised
  • sp hybridised
  • Unhybridised
0 Comments
Correct Answer: B. sp² hybridised

Explanation:

In aldehydes and ketones, the carbonyl group (>C=O) is the defining functional group. ... Read More Details

10 Organic Chemistry MCQs

Which of the following gases when passed through warm dilute solution of H₂SO₄ in presence of HgSO₄ gives acetaldehyde?

  • CH₄
  • C₂H₆
  • C₂H₄
  • C₂H₂
0 Comments
Correct Answer: D. C₂H₂

Explanation:

Acetylene (C₂H₂), also known as ethyne, is the only gas among the given ... Read More Details

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