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QJEEM22Phe06e: JEE Main 2022 Physics - Class 11 JEEM22Phe06e Solution: What will be the effect on the root mean square velocity of…

What will be the effect on the root mean square velocity of oxygen molecules if the temperature is doubled and oxygen molecule dissociates into atomic oxygen?

Multiple Choice Options

  • A The velocity of atomic oxygen remains same
  • B The velocity of atomic oxygen doubles
  • C The velocity of atomic oxygen becomes half
  • D The velocity of atomic oxygen becomes four times

Step-by-Step Verified Solution

As vrms=3RTM0

T is doubled and oxygen molecule is dissociated into atomic oxygen molar mass is halved.

So, vrms′=3RT×2T0M0/2=2vrms

So velocity of atomic oxygen is doubled.

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