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Which of the following respiratory subst...

Which of the following respiratory substances requires the highest number of `O_(2)` molecules for its complete oxidaiton.

A

Tripalmitin

B

Triolein

C

Tartaric acid

D

Oleic acid

Text Solution

Verified by Experts

The correct Answer is:
A
`2C_(51) H_(58) O_6 +145O_2 rarr 102 CO_2 +98H_2O`
Tripalmitin `RQ = (CO_2)/(O_2) = 102/145 = 0.7` (less than unity)s
Triolein `C_(57) H_(104) O_6 + 80O_(2) rarr 57CO_(2) +52H_(2)O`
`RQ = (CO_(2))/(O_2) = 57/80 = 0.7` (less than unity)
Tartaric acid `2C_(4) H_(6)O_(6) +50_(2) rarr 8 CO_(2) +6H_2O`
`RQ = (CO_2)/(O_2) = 8/5 = 1/6`
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