Q.

The density of O2 is 16 at NTP. At what temperature its density will be 14? Consider that the pressure remain constant at

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a

50°C

b

39°C

c

57°C

d

43°C

answer is B.

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Detailed Solution

d1T1=d2T2When P remains constantd1=16: d2=14;T1=273K,T2=?d1T1=d2T216×273=14×T2T2=312K⇒T2=312−273=39∘C.
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