| ⇦ | 
| ⇨ |
Which of the following on addition of water in presence of acid gives a ketone
Options
(a) Propene
(b) Butene-2
(c) Propyne
(d) None of these
Correct Answer:
Propyne
Explanation:
Alkynes on hydration in presence of dilute H₂SO₄ and HgSO₄ as catalyst produces aldehydes and ketones. Water adds to form unstable enol intermediates which undergo rearrangment to form aldehyde or ketones. Acetylene on hydration gives aldehydes while all other alkynes produce ketones,
Related Questions: - If increase in temperature and volume of an ideal gas is two times, then the initial
- What is the pressure of 64g O₂ enclosed in a cylinder of 20 litres at 27⁰C
- Which of the following statements is correct regarding the drawbacks of raw rub
- A solution containing 6 g urea per litre is isotonic with a solution containing
- In graphide electrons are
Topics: Aldehydes Ketones and Carboxylic Acid
(89)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- If increase in temperature and volume of an ideal gas is two times, then the initial
- What is the pressure of 64g O₂ enclosed in a cylinder of 20 litres at 27⁰C
- Which of the following statements is correct regarding the drawbacks of raw rub
- A solution containing 6 g urea per litre is isotonic with a solution containing
- In graphide electrons are
Topics: Aldehydes Ketones and Carboxylic Acid (89)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
18000+ students are using NEETLab to improve their score. What about you?
Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.
Share this page with your friends
Leave a Reply