On electrical decomposition of 150 ml dry and pure O₂, 10% of O₂ gets changed to O, then the volume of gaseous mixture after reaction and volume of remaining gas left after passing in turpentine oil will be

Question: On electrical decomposition of 150 ml dry and pure O₂, 10% of O₂ gets changed to O, then the volume of gaseous mixture after reaction and volume of remaining gas left after passing in turpentine oil will be

(a) 145 ml 

(b) 149 ml

(c) 128 ml 

(d) 125 ml

Correct Answer: (a) 145 ml

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