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NDA General Science Chemistry Questions Part 1
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Question : 95
Total: 100
Note the following balanced chemical equation:
2
C
O
+
O
2
⇌
C
O
2
Which one of the following statements is significant in relation to the above chemical equation?
[NDA I 2014]
One can add to a vessel only 2 mol of CO for each mol of
O
2
added
No matter how much of these two reagents are added to a vessel, 1 mol of
O
2
is consumed
When they react, CO reacts with
O
2
in a 2 : 1 mol ratio
When 2 mol of CO and 1 mol of
O
2
are placed in a vessel, they will react to give 1 mol of
C
O
2
Validate
Solution:
This is according to law if definite proportions. In this reaction, CO reacts with
O
2
in 2:1 mol ratio. Option (c) is the correct answer.
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