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

Which of the following is a correct match?

a. ${\mathrm{H}}_2\mathrm{O}>{\mathrm{H}}_2\mathrm{S}>{\mathrm{H}}_2\mathrm{Se}>{\mathrm{H}}_2\mathrm{Te}:$ Thermal stability

b. $\mathrm{He}<\mathrm{Ne}<\mathrm{Ar}<\mathrm{Kr}<\mathrm{Xe}:$ Ease of liquefaction

c. $\mathrm{HF} >\mathrm{HI} >\mathrm{HBr} >\mathrm{HCl}:$ Order of boiling point

d. ${\mathrm{H}}_2\mathrm{O}<{\mathrm{H}}_2\mathrm{S}<{\mathrm{H}}_2\mathrm{Se}<{\mathrm{H}}_2\mathrm{Te}:$ Reducing character

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.