Hybridization Worksheet With Answers - Chapter 1 Page 10
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14Organic Chemistry
10
(xxiv) The hybridization state of carbons in allene is:
2,
2
2
3
2
(a)
sp
sp
(b) sp, sp
(c) sp
& sp
(d) sp
& sp
(IIT, 1999)
2
3
(xxv)
In the compound, the CH
C
— C
bond is of the type
CH
CH
CH
C
CH
,
2
3
2
2
2
2
3
3
(a)
sp — sp
(b)
sp
— sp
3
2
3
(c)
sp — sp
(d)
sp
— sp
(IIT, 1999)
(xxvi) Identify a reagent from the following list which can easily distinguish between 1-butyne,
2-butyne
(IIT 2002)
(a)
Br
CCl
(b) H
Lindlar catalyst
(c) Dil. H
So
, HgSo
2,
4
2,
2
4
4
(d)
ammoniacal CCl
Cl
Solution
2
2
(xxvii) The nodal plane in the π bond of ethene is located in
(IIT 2002)
(a)
the molecular plane
(b)
a plane parallel to the molecular plane
(c)
a plane perpendicular to the molecular plane which bisects the carbon-carbon σ
bond at right angle
(e)
A plane perpendicular to the molecular plane which contains the carbon-
carbon σ – bond.
(xxviii) Which of the following reagent can be used to distinguish butyne-1 & butyne-2
(IIT, 2003)
(a)
Fehling solution
(b)
Grignard reagent
(c)
Ammonical cuprous chloride
(d)
Tollen’s reagent
8.
Fill in the blanks:
(i)
Nitrogen molecule has ……..bonds
(IIT, 1981)
(ii) Benzene molecule has ………bonds
(IIT, 1982 )
(iii) In sp hybridization the two hybrid orbitals are
(IIT, 1980)
(iv) Maximum number of σ bonds between two atom is
State whether the following statements are true or false. If false, then write the correct statement:
9.
(i)
The properties of hybrid orbitals are in between those of the hybridized orbitals.
(ii) All alkynes form acetylide.
(iii) Sigma bond is stronger than pi bonds.
(iv) Total number of sigma and pi bonds in C
(CN)
is nine.
(CPMT, MP, 1986)
2
4
2
(v)
If the bond angle BAB in the molecule AB
is 180º, sp
hybridization would account for the shape.
2
10. Match the items from column A with those in column B:
A
B
3
(i)
sp
hybrid orbitals
(i)
Pi bonds
(ii)
Sigma bond
(ii)
bond length
(iii)
Two electron cloud
(iii)
Linear
densities
overlapping
(iv)
% s -orbital character
(iv)
109.5º
(v)
Zero dipole moment
(v)
Acetylene
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