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Question
Chemistry
When a hydrocarbon A undergoes combustion in the presence of air, it requires 9.5 equivalents of oxygen and produces 3 equivalents of water. What is the molecular formula of A ?
Q. When a hydrocarbon A undergoes combustion in the presence of air, it requires
9.5
equivalents of oxygen and produces
3
equivalents of water. What is the molecular formula of
A
?
2074
1
JEE Main
JEE Main 2023
Some Basic Concepts of Chemistry
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A
C
8
H
6
B
C
9
H
9
C
C
6
H
6
D
C
9
H
6
Solution:
C
x
H
y
+
(
x
+
4
y
)
O
2
→
x
C
O
2
+
2
y
H
2
O
x
+
4
y
=
9.5
2
y
=
3
⇒
x
=
8
,
y
=
6