JEE Mains Chemistry Past PapershardMCQ SINGLE

In the following system, PC5(g) PCI3(g) + Cl2(g) at equilibrium, upon addition of xenon gas at constJEE Mains Chemistry Past Papers Chemistry Question

Question

In the following system, PC5(g) PCI3(g) + Cl2(g) at equilibrium, upon addition of xenon gas at constant T & p, the concentration of (A) PCI5 will increase (B) Cl2 will decrease (C) PCI3 will increase (D) PCI5, PCI3 & Cl2 remain constant

Answer: C

💡 Solution & Explanation

To maintain pressure constant volume must increase so equilibrium shift in forward direction. Given below are two statements: Statement I: The N–N single bond is weaker and longer than that of P–P single bond. Statement II: Compounds of group 15 elements in + 3 oxidation states readily undergo disproportionation reactions. In the light of the above statements, choose the correct answer from the options given below (1) Both Statement I and Statement II are false (2) Statement I is false but Statement II is true (3) Both Statement I and Statement II are true (4) Statement I is true but Statement II is false Ans. (1) Sol. Statement I : Single N–N bond length weaker but shorter than single p–p bond. Statement II : All element of 15 group does not easily undergoes disproportionation reaction.

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