COMEDK · Chemistry · 5. States of Matter
One mole of oxygen at \(273 \mathrm{~K}\) and one mole of sulphur dioxide at \(546 \mathrm{~K}\) are taken in two separate containers, then
- A kinetic energy of \(\mathrm{O}_{2}>\) kinetic energy of \(\mathrm{SO}_{2}\)
- B kinetic energy of \(\mathrm{O}_{2} < \) kinetic energy of \(\mathrm{SO}_{2}\)
- C kinetic energy of both are equal
- D None of the above
Answer & Solution
Correct Answer
(B) kinetic energy of \(\mathrm{O}_{2} < \) kinetic energy of \(\mathrm{SO}_{2}\)
Step-by-step Solution
Detailed explanation
\(\mathrm{O}_{2}\) is diatomic and degree of freedom is 5 . \(\therefore\) Kinetic energy of \(\mathrm{O}_{2}=\frac{5}{2} \times k \times T\) \[ =\frac{5}{2} \times 273 \times k \] \(\mathrm{SO}_{2}\) is triatomic and degree of freedom is \(7 .\) \(\therefore\) Kinetic energy of…
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