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Standard XII
Chemistry
Straight Chain Hydrocarbons
How many hydr...
Question
How many hydrogen atoms are present in a molecule of hexane?
A
12
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B
14
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C
16
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D
10
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E
18
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Solution
The correct option is
E
14
Hexane (as 'ane' denotes) is an alkane with six number of carbon atoms. From the formula of alkane
C
n
H
2
n
+
2
, hexane is
C
6
H
14
.
Hence, 14 hydrogen atoms are present in a molecule of hexane.
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