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At what temperature will average speed ...

At what temperature will average speed of the molecules of the second member of the series `C_(n)H_(2n)` be the same to that of `Cl_(2)` at `627^(@)C`?

A

259.4 K

B

400 K

C

532.4 K

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
c
(c) Second member of `C_(n)H_(2n)` series
`=C_(3)H_(6)=42`
`=sqrt((8RT_(1))/(piM_(1)))=sqrt((8RT_(2))/(piM_(2)))=(900)/(71)=(T_(2))/(42)`
`T_(2)=532.4K`
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