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NEET Exam  >  NEET Test  >  Chemistry Class 11  >  Test: Reactions of Alkene - NEET MCQ

Reactions of Alkene - Free MCQ Practice Test with solutions, NEET Chemistry


MCQ Practice Test & Solutions: Test: Reactions of Alkene (14 Questions)

You can prepare effectively for NEET Chemistry Class 11 with this dedicated MCQ Practice Test (available with solutions) on the important topic of "Test: Reactions of Alkene". These 14 questions have been designed by the experts with the latest curriculum of NEET 2026, to help you master the concept.

Test Highlights:

  • - Format: Multiple Choice Questions (MCQ)
  • - Duration: 14 minutes
  • - Number of Questions: 14

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Test: Reactions of Alkene - Question 1
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Direction (Q. Nos. 1 - 7) This section contains 7 multiple choice questions. Each question has four choices (a), (b), (c) and (d), out of which ONLY ONE option is correct.

Q. What is true about the reaction given below?

Test: Reactions of Alkene - Question 2
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What is major product in the following reaction?

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Test: Reactions of Alkene - Question 3
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What is major product in the following reaction?

Test: Reactions of Alkene - Question 4
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Hydrogenation of alkenes can be carried out in the presence of

Detailed Solution: Question 4

  • Unsaturated hydrocarbons such as alkenes add Hydrogen in the presence of catalysts such as Ni to form saturated hydrocarbons. This is called an addition reaction.
  • The reaction is commonly used in the hydrogenation of vegetable oils using a Nickel catalyst.

Test: Reactions of Alkene - Question 5
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What is the major addition product in the reaction given below?

Test: Reactions of Alkene - Question 6
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Consider the following reaction.

The major product is

Test: Reactions of Alkene - Question 7
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What is major product in the reaction?

*Multiple options can be correct
Test: Reactions of Alkene - Question 8
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Direction (Q. Nos. 8 -11) This section contains 4 multiple choice questions. Each question has four choices (a), (b), (c) and (d), out of which ONE or MORE THAN ONE are correct.

Q. What is /are the expected product in the reaction ?

*Multiple options can be correct
Test: Reactions of Alkene - Question 9
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What are the expected product(s) in the following reaction?

Detailed Solution: Question 9

  1. What NBS (in CCl4, hv) does
    • It performs allylic bromination: replaces an H on a carbon next to a C=C with Br.
    • It does not add Br across the double bond and it does not brominate vinylic (C=C) carbons.

  2. Find the allylic positions in 1-methylcyclohexene
    • Double bond between C1 and C2.
    • Allylic carbons are the ones next to the double bond: C3 and C6 on the ring, and the methyl group attached at C1.

  3. Which allylic radical is most favorable?
    • Removing H from C3 (or equivalently C6) gives a resonance-stabilized allylic radical on the ring.
    • Removing H from the methyl side chain is less favorable compared with the ring allylic site.

  4. Product formed
    • Bromine substitutes at C3 (or C6), giving 3-bromo-1-methylcyclohexene (the double bond remains in the ring).

  5. Match to options
    • (b) shows allylic bromination at the ring (correct).
    • (a) bromination on the side-chain allylic CH2 (minor, not the expected product).
    • (c) vinylic bromination on the double-bond carbon (NBS/hv doesn’t do this).
    • (d) non-allylic bromination (not formed).

Answer: (b) 3-bromo-1-methylcyclohexene.

*Multiple options can be correct
Test: Reactions of Alkene - Question 10
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What products are expected in the following reaction?

*Multiple options can be correct
Test: Reactions of Alkene - Question 11
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In which of the following reaction, reactant(s) and product(s) are correctly matched?

Test: Reactions of Alkene - Question 12
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Direction (Q. Nos. 12 and13) This section contains a paragraph, describing theory, experiments, data, etc. Two questions related to the paragraph have been given. Each question has only one correct answer among the four given options (a), (b), (c) and (d).

Passage

Caryophyllene (C15H24) contain a six membered ring and on ozonolysis gives following product.

Q. The structure of caryophyllene is

Test: Reactions of Alkene - Question 13
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Caryophyllene (C15H24) contain a six membered ring and on ozonolysis gives following product.

Q. If caryophyllene is treated with 1.0 mole of HCI, a ring closure reaction takes place to form monochloride. What is the most likely product of this reaction?

Test: Reactions of Alkene - Question 14
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Direction (Q . No. 14) Choices for the correct combination of elements from Column I and Column II are given as options (a), (b), (c) and (d), out of which one is correct.

Q. Match the alkenes from Column I with the stereochemistry of addition product(s) obtained with Br2/CCI4 in presence of FeBr3.

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About this NEET Practice Test

This test contains 14 MCQs on Reactions of Alkene with detailed solutions for each question. It is part of the Chemistry Class 11 course on EduRev, designed to align with the current NEET syllabus. Each solution explains not just the correct answer but also gives you an understanding of the topic — not just to attempt the question but also help you prepare for the exam with practice.

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If you found this Reactions of Alkene MCQ Test helpful, you can further enhance your NEET preparation with in-depth courses on EduRev, for all the subjects and topics available in Chemistry Class 11 course. The course offers:
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