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JEE Main levelSingle correct optionDifficulty 2 of 3ig022

$30 mL$ of $CO$ and $20 mL$ of $O X_{2}$ are exploded in a eudiometer. The volume of the gaseous mixture after the reaction, measured at the same temperature and pressure, is

A $35 mL$
B $30 mL$
C $50 mL$
D $25 mL$

Answer: A

2 CO + O X_{2} 2 CO X_{2}

.

30 mL

of

CO

consumes

15 mL

of

O X_{2}

and forms

30 mL

of

CO X_{2}

. Remaining

O X_{2}

= 5 mL

. Total

= 30 + 5 = 35 mL

.

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