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Question

When one mole each of CO and O2 are made to react at STP, the total number of mole at the end of the reaction is ?

A
1.5 moles
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B
1 mole
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C
4 moles
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D
2 moles
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Solution

The correct option is A 1.5 moles
CO1mole+12O212(1mole)CO2[balancedequation]so,Totalno.ofmolesobtaindedattheendofthegivenreaction=1+12(1)=1+.05=1.5moleHence,theoptionAisthecorrectanswer.

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