M K Verma Solutions for Chapter: p-Block Elements (Group 15-Groups 18), Exercise 1: TOPICWISE QUESTIONS

When a gas passes through water, it forms two compounds. Out of these, one can turn moist Iodide paper blue and other can turn blue litmus paper red. The gas is

Select the incorrect statement.

Among the acids ${\mathrm{H}}_2{\mathrm{SO}}_3\left(\mathrm{I}\right), {\mathrm{H}}_3{\mathrm{PO}}_3\left(\mathrm{II}\right) \mathrm{and} {\mathrm{HClO}}_3\left(\mathrm{III}\right),$ the decreasing order of acidic nature is

In which of the following pairs, both the members show only reducing property?

Which of the following is correct?

The acid, which does not contain peroxy linkage, is

The incorrect order of acidic strength is

Note:- Third option needs to update for the correctness of the question.

Identify the mismatch.