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Tetravalence of Carbon: Shapes of Organic Compounds
1. Arrange the following in the increasing order of electronegativity.
a) sp2 < sp < sp3
b) sp3 < sp2 < sp
c) sp < sp2 < sp3
d) sp3 < sp < sp2
Answer: sp3 < sp2 < sp
2. ? bonds are stronger than ? bonds.
a) True
b) False
Answer: True
3. How many ? and ? bonds are present in the following molecule?
N?C-CH-C?N
a) ? = 5; ? = 4
b) ? = 6; ? = 3
c) ? = 4; ? = 2
d) ? = 3; ? = 5
Answer: ? = 5; ? = 4
4. What is the valency of carbon?
a) Pentavalent
b) Divalent
c) Trivalent
d) Tetravalent
Answer: Tetravalent
5. What is the hybridization of CH3CH2CH2CN?
a) sp, sp3
b) sp2, sp3
c) sp
d) sp, sp2
Answer: sp, sp3