Hybridization (s and p) : Classification of Organic Compounds Based on Functional Groups NEET Questions

Organic Chemistry - Some Basic Principles of Organic Chemistry

Hybridization (s and p) : Classification of Organic Compounds Based on Functional Groups MCQ Questions


13.
In which of the following molecules are all four carbons sp3 hybridized?
A.
n-Butane
B.
Buta-1,3-diene
C.
But-1-ene
D.
But-2-yne
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ANSWER :
A. n-Butane
14.
The C-C bond length is shortest in:
A.
Ethane
B.
Ethyne
C.
Ethene
D.
Benzene
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ANSWER :
B. Ethyne
15.
Number of sigma bonds in CH3-CH=CH-C≡CH is:
A.
9
B.
8
C.
10
D.
11
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ANSWER :
A. 9
16.
The shape of methyl cation is:
A.
Tetrahedral
B.
Pyramidal
C.
Trigonal planar
D.
Linear
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ANSWER :
C. Trigonal planar
17.
Which of the following statements is INCORRECT?
A.
sp hybrid orbital has 50% s-character
B.
sp2 hybrid has 33.33% s-character
C.
sp3 hybrid has 25% s-character
D.
sp3 hybrid has 50% s-character
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ANSWER :
D. sp3 hybrid has 50% s-character
18.
In ethene (H2C=CH2), the C=C bond consists of:
A.
Two sigma bonds
B.
One sigma and one pi bond
C.
Two pi bonds
D.
One sigma and two pi bonds
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ANSWER :
B. One sigma and one pi bond