MCQs on Alkene

NEET  Chemistry is the scoring paper in the medical entrance examination. Here, you will discover the NEET Chemistry MCQ Questions for all Concepts as per the latest syllabus. Practice more on a regular basis with these NEET Chemistry objective questions on air pollution and improve your subject knowledge & problem-solving skills along with time management. NEET Chemistry Alkene Multiple Choice Questions make you feel confident in answering the question in the exam & increases your scores to high.

MCQs on Alkene

1. Which of the following compounds react most readily with Br(g)?
(a) C2H2
(b) C3H6
(c) C2H4
(d) C4H10

Answer

Answer: (d)


2. When propene reacts with HBr in the presence of peroxide, it gives rise to
(a) allyl bromide
(b) isopropyl bromide
(c) n-propyl bromide
(d) 3-bromopropane

Answer

Answer: (d)


3. Find the alkene with maximum stability
(a) cis-2-Butene
(b) trans-2-Butene
(c) 1-Butene
(d) All have the same stability

Answer

Answer: (d)


4. Ethylene bromide on treatment with Zn gives
(a) Alkyne
(b) Alkene
(c) Alkane
(d) All of the above

Answer

Answer: (d)


5. Which of the following reactions is common in alkenes?
(a) Addition
(b) Elimination
(c) Substitution
(d) Superposition

Answer

Answer: (d)


6. Cis-trans isomerism in alkenes is due to
(a) chiral carbon
(b) free rotation about single bond
(c) free rotation about double bond
(d) restricted rotation about double bond

Answer

Answer: (d)


7. Baeyer’s reagent is used to detect
(a) glucose
(b) double bonds
(c) oxidation
(d) reduction

Answer

Answer: (d)


8. Which of the following will form 2 acetaldehyde molecules on ozonolysis?
(a) 1-pentene
(b) 2-pentene
(c) 1-butene
(d) 2-butene

Answer

Answer: (d)


9. Which of the following reagents will form 1-propanol from propene?
(a) B2H6, H2O2, OH
(b) Aq. KOH
(c) H2O, H2SO4
(d) Hg(OAc)2, NaBH4/H2O

Answer

Answer: (d)


10. Geometrical isomerism is exhibited by
(a) 2-Butene
(b) 2-Butyne
(c) 2-Butenol
(d) Butanol

Answer

Answer: (d)


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