Respiratory quotient of Tripalmitin is 0.73 and during respiration it releases 126 CO $_{2}$ , then how much O $_{2}$ is required for its respiration?

102

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145

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245

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173

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Solution

The correct option is D 173
Respiratory quotient (RQ) is the ratio of the volume of carbon dioxide produced to the volume of oxygen consumed over a period of time. In the given example, RQ of Tripalmitin = 0.73. Volume of carbon dioxide evolved = 126.
Hence, volume of oxygen absorbed = volume of carbon dioxide evolved / RQ = 126/0/73 = 173.
Thus, the correct answer is '173.'

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