Hybridization Worksheet With Answers - Chapter 1 Page 9
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14Hybridization
9
(a)
9σ, 1π, 2 lone pairs
(b)
8σ, 1π, 2 lone pairs
(c)
10 σ, 1π, 1 lone pair
(d)
9σ, 1π, 1 lone pair
(IIT, 1990)
(xi)
Which of the following has maximum C—C bond length:
(a)
Benzene
(b) Ethane
(c) Propylene
(d)
1,3-Butadiene
(xii)
The number of σ and π bonds in 1-butene, 3-yne:
(a)
5 + 5
(b)
7 + 3
(c)
8 + 2
(d)
6 + 4
(IIT, 1989)
3
(xiii)
The compound in which carbon uses its sp
hybrid oribital for bond formation:
(a)
HCOOH
(b) NH
CONH
2
2
(c)
(CH
)
COH
(d) CH
CHO
(IIT, 1989)
3
3
3
(xiv)
On hybridization of one s and one p orbitals we get:
(a)
Two mutually-hybrid orbitals
(b)
Two orbitals at 180º
(c)
Hybrid orbitals directed tetrahedrally
(d)
Three orbitals in plane
(IIT, 1984)
(xv)
% s-orbital character between two orbitals having bond angle 105º is:
(a)
20%
(b) 25%
(c) 20.57%
(d) 33.33%
(xvi)
The compound having more than one type of hybridized carbon atom is:
(a)
1, 2 Butadiene (b)
1, 3 Butadiene (c)
Butane
(d) Benzene
(xvii) Which of the following compounds given below have more than one kind of
hybridization for carbon:
(a)
CH
CH
CH
CH
(b) CH
—CH═CH—CH
3
2
2
3
3
3
CH
═CH—CH═CH
(d) HC≡≡CH
(c)
2
2
(xviii) In the following reaction, the hybridization state of C* atom changes from:
P
O
→
2
5
CH3—C*ONH
—CH
C*N
2
3
3
2
2
2
(a)
sp
to sp
(b) sp
to sp
(c) sp to sp
(d)
sp to sp
(xix)
In which of the following would you expect C—C bond distance to be shortest?
(a)
Benzene
(b) Acetic acid
(c) Acetylene
(d) Diamond
(xx)
In the series of ethane, ethylene, and acetylene the C—C bond energy is:
(a)
Greatest in C
H
(b)
Greatest in C
H
2
6
2
4
(c)
Greatest in C
H
(d)
Same in all the compounds.
2
2
(xxi)
The Cl—C—Cl angle in 1,1,2,2-tetrachloro ethylene and tetrachloro ethane, respectively
will be about:
(a)
120º & 109.5º
(b)
90º & 109.5º
(c)
109.5º & 90º
(d)
109.5º & 120º.
(IIT, 1988)
(xxii) Which of the following is is isostructural with CO
:
2
(a)
C
H
(b) SO
(c)
CH
(d)
C
H
(IIT, 1988)
2
2
2
4
2
2
(xxiii) The number and types of bonds between two carbon atoms in CaC
are:
2
(a)
One σ & one π bonds
(b)
One σ & two π bonds
(c)
One σ & a half π bonds (d)
One σ bonds
( I IT, 1996)
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