NEET Chemistry is the very imporatant paper in the Medical Entrance EXAM. So these NEET Chemistry MCQs with Answers for all Concepts as per the new syllabus. Practice daily with these NEET Chemistry objective questions on air pollution. NEET Chemistry Alkene Multiple Choice Questions
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)