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


13.
Ozonolysis of ethene gives:
A.
Ethanal
B.
Ethanol
C.
Ethanoic acid
D.
Methanal
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ANSWER :
D. Methanal
14.
The peroxide effect proceeds via:
A.
Carbocation
B.
Carbanion
C.
Free radical
D.
Carbene
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ANSWER :
C. Free radical
15.
Which of the following gives anti-Markovnikov addition?
A.
HCl
B.
Brâ‚‚
C.
HBr in peroxide
D.
HI
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ANSWER :
C. HBr in peroxide
16.
Electrophilic addition of HBr to 2-butene gives:
A.
1-bromobutane
B.
2-bromobutane
C.
1,2-dibromobutane
D.
None of these
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ANSWER :
B. 2-bromobutane
17.
What is the shape around each carbon in ethene?
A.
Tetrahedral
B.
Trigonal planar
C.
Linear
D.
Pyramidal
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ANSWER :
B. Trigonal planar
18.
Which of the following does not polymerize?
A.
Ethene
B.
Propene
C.
Butene
D.
Ethane
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ANSWER :
D. Ethane