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Byju's Answer
Standard XII
Chemistry
Rubber
On complete h...
Question
On complete hydrogenation, natural rubber produces:
A
Ethylene-propylene copolymer
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B
Vulcanised rubber
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C
Polypropylene
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D
Polybutylene
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Solution
The correct option is
A
Ethylene-propylene copolymer
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11
Similar questions
Q.
On complete hydrogenation, natural rubber produces:
Q.
A cylinder contains either ethylene or propylene.
12
m
l
of gas required
54
m
l
of oxygen for complete combustion. The gas is :
Q.
At
353
K
, the vapour pressure of pure ethylene bromide and propylene bromide are
22.93
and
16.93
k
N
M
−
2
, respectively, and these compounds form a nearly ideal solution.
3
m
o
l
of ethylene bromide and
2
m
o
l
of propylene bromide are equilibrated at
553
K
and a total pressure of
20.4
k
N
M
−
2
.
(a)
what is the composition of the liquid phase?
(b)
what amount of each compound is present in the vapour phase?
Q.
A gas mixture of
3.67
lit of ethylene & methane on complete combustion at
25
o
C produces
6.11
L
of
C
O
2
. Find out the amount of heat evolved on burning one litre of the gas mixture. The heat for combustion of ethylene and methane are
−
1423
&
−
891
k
J
m
o
l
−
1
.
Q.
At 353 K, the vapour pressure of pure ethylene bromide and propylene bromide is 22.93 and 16.93
N
m
−
2
respectively and these compounds form nearly ideal solutions. 3 moles of ethylene bromide and 2 moles of propylene bromide are equilibrated at 353 K and at a total pressure of 20.4
N
m
−
2
, mark the correct option(s):
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