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When acetylene is passed into methanol at 160-200°C in the presence of a small amount of potassium methoxide and under pressure, the following is formed:

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Important Questions on Alkynes

MEDIUM
JEE Advanced
IMPORTANT
Chapterwise/Topicwise Daily Practice Problems (DPP) Organic Chemistry Part 1 JEE Main & Advanced>Chapter 8 - Alkynes>DPP>Q 23
Propyne on oxidation with SeO2 gives:
MEDIUM
JEE Advanced
IMPORTANT
Chapterwise/Topicwise Daily Practice Problems (DPP) Organic Chemistry Part 1 JEE Main & Advanced>Chapter 8 - Alkynes>DPP>Q 24
Westrosol is a solvent and it is prepared by:
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JEE Advanced
IMPORTANT
Chapterwise/Topicwise Daily Practice Problems (DPP) Organic Chemistry Part 1 JEE Main & Advanced>Chapter 8 - Alkynes>DPP>Q 25
An organic compound decolourises bromine in CCl4 and can be reduced catalytically. Also, it gives a precipitate with ammoniacal cuprous chloride. The compound can be:
MEDIUM
JEE Advanced
IMPORTANT
Chapterwise/Topicwise Daily Practice Problems (DPP) Organic Chemistry Part 1 JEE Main & Advanced>Chapter 8 - Alkynes>DPP>Q 26
Acetylene reacts with HCN in the presence of Ba(CN)2 to yield:
HARD
JEE Advanced
IMPORTANT
Chapterwise/Topicwise Daily Practice Problems (DPP) Organic Chemistry Part 1 JEE Main & Advanced>Chapter 8 - Alkynes>DPP>Q 27
When but-2-yne is brominated, P is formed. When but-2-yne is reacted with HgSO4+H2SO4, then Q is formed which then gives R. Hence:
HARD
JEE Advanced
IMPORTANT
Chapterwise/Topicwise Daily Practice Problems (DPP) Organic Chemistry Part 1 JEE Main & Advanced>Chapter 8 - Alkynes>DPP>Q 28
Which of the following will produce acetone?
MEDIUM
JEE Advanced
IMPORTANT
Chapterwise/Topicwise Daily Practice Problems (DPP) Organic Chemistry Part 1 JEE Main & Advanced>Chapter 8 - Alkynes>DPP>Q 29
Which of the following produce chiral molecule after treatment with H2 in the presence of Lindlar's catalyst?
MEDIUM
JEE Advanced
IMPORTANT
Chapterwise/Topicwise Daily Practice Problems (DPP) Organic Chemistry Part 1 JEE Main & Advanced>Chapter 8 - Alkynes>DPP>Q 30

From the following reactions,

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Predict which of the following order regarding acid strength is correct?