Organic Chemistry · UPSC CDS/OTA · Question 21 of 30

Organic Chemistry – Question 21

Step-by-step solution. Organic Chemistry for UPSC CDS/OTA.

Topic
Organic Chemistry
Subject
General Studies
Difficulty
Medium
Solve Time
45–60 sec

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Q · Organic Chemistry Medium · 45s

Which of these compounds decolourises bromine water?

TopicOrganic Chemistry
Question Typemultiple choice
DifficultyMedium
Marking+1 / −0.33
Test Duration30 min

Step-by-Step Solution

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Unsaturated hydrocarbons like ethylene (C₂H₄) add bromine, decolourising bromine water.

Final Answer: Option C — Ethylene
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Organic Chemistry Question 21 – UPSC CDS/OTA