Explore topic-wise InterviewSolutions in Class 11.

This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your Class 11 knowledge and support exam preparation. Choose a topic below to get started.

1.

Assertion. Addition of silver ions to a mixture of aqueous sodium chloride and sodium bromide solution will first precipitate AgBr rather than AgCl. Reason. `K_(sp)` of `AgCl lt K_(sp) ` of AgBr.A. If both assertion and reason are true, and reason is the true explanation of the assertion.B. If both assertion and reason are true, but reason is not the true explanation of the assertion.C. If aasertion is true, but reason is false.D. If both assertion and reason are false.

Answer» Correct Answer - C<br>Correct R. `K_(sp) ` of `AgCl gt K_(sp)` of AgBr. For precipitation to occur, ionic product should exceed solubility product.
2.

In the titration of a weak acid aginst a strong base, at the half-equivalence point (half. Neutralisation )A. `pH = (1)/(2) pK_(a)`B. `pH = pK_(a)`C. `pH = 2 pK_(a)`D. None of these

Answer» Correct Answer - B