MEDIUMMCQ SINGLEJEE Advanced ChemistryPhysical ChemistryGaseous statePrevious Year Questions
For gaseous state, if most probable speed is denoted by C*, average speed by C and root mean square speed by C, then for a large number of molecules, the ratios of these speeds are (WB JEE 2013)
A.C*: C : C
B.C*: C : C
C.C*: C : C✓ Correct
D.C*: C : C
Explanation
We know that, Most probable speed= 2RT/M Average speed= 8RT/πM Root mean square speed 3 / RT M Ratio of speeds is as follows: *: : 2 : 8 : 3 C C C 1:1.128:1.225 .
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