Alkenes(Geometrical Isomerism: Mechanism of Electrophilic Addition: Addition of Hydrogen, Halogens,... ) NEET Questions

Organic Chemistry - Hydrocarbons

Alkenes(Geometrical Isomerism: Mechanism of Electrophilic Addition: Addition of Hydrogen, Halogens,... ) MCQ Questions


1.
Which of the following alkenes shows geometrical isomerism?
A.
Propene
B.
1-butene
C.
2-methylpropene
D.
2-butene
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ANSWER :
D. 2-butene
2.
Which compound shows Markovnikov's addition with HBr?
A.
Ethene
B.
Propene
C.
2-methylpropene
D.
1-butene
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ANSWER :
B. Propene
3.
What is the major product formed when HBr is added to propene in the absence of peroxide?

NEET - 2019

A.
1-bromopropane
B.
2-bromopropane
C.
Propyne
D.
None of these
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ANSWER :
B. 2-bromopropane
4.
The peroxide effect is not observed with:
A.
HCl
B.
HBr
C.
HI
D.
All of these
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ANSWER :
A. HCl
5.
Which compound gives only one ozonolysis product?
A.
1-butene
B.
2-butene
C.
Propene
D.
1-pentene
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ANSWER :
B. 2-butene
6.
The major product of ozonolysis of 2-butene is:
A.
Ethanol
B.
Ethanone
C.
Ethanal
D.
Acetone
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ANSWER :
C. Ethanal