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प्रश्न
Water decomposes to O2 and H2 under suitable conditions as represented by the equation below:
\[\ce{2H2O -> 2H2 + O2}\]
If 2500 cm3 of H2 is produced, what volume of O2 is liberated at the same time and under the same conditions of temperature and pressure?
उत्तर
\[\ce{2H2O -> 2H2 + O2}\]
2 V 2 V 1 V
From equation, 2 V of water gives 2 V of H2 and 1 V of O2
where 2 V = 2500 cm3
so, volume of O2 liberated = `(1 xx 2500)/2`
= 1250 cm3
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