SATHEE: Equilibrium Question 784

Equilibrium Question 784

Question: For a reversible gaseous reaction $N_{2} + 3 H_{2} \to 2 N H_{3}$ at equilibrium, if some moles of $H_{2}$ are replaced by same number of moles of $T_{2}$ (T is tritium, isotope of H and assume isotopes do not have different chemical properties) without affecting other parameter, then:

Options:

A) the sample of ammonia obtained after sometime will be radioactive.

B) moles of $N_{2}$ after the change will be different as compared to moles of $N_{2}$ present before the change

C) the value of $K_{p}$ or $K_{c}$ will change

D) the average molecular mass of new equilibrium will be same as that of old equilibrium

Show Answer

Answer:

Correct Answer: A

Solution:

Since $T_{2}$ has similar chemical properties as $H_{2}$ so upon mixing, $N H_{2} T$ and $N H T_{2}$ are formed.

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Equilibrium Question 784

Question: For a reversible gaseous reaction N2+3H2→2NH3 at equilibrium, if some moles of H2 are replaced by same number of moles of T2 (T is tritium, isotope of H and assume isotopes do not have different chemical properties) without affecting other parameter, then:

Options:

Answer:

Solution:

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Question: For a reversible gaseous reaction $N_{2} + 3 H_{2} \to 2 N H_{3}$ at equilibrium, if some moles of $H_{2}$ are replaced by same number of moles of $T_{2}$ (T is tritium, isotope of H and assume isotopes do not have different chemical properties) without affecting other parameter, then: