question_answer

Directions: (Q. 21 to 25)

Case V: Read the passage given below and answer the following questions from 21 to 25.

All the elements of group 16 form hydrides : \[{{H}_{2}}O\], \[{{H}_{2}}S\], \[{{H}_{2}}Se\], \[{{H}_{2}}Te\] and \[{{H}_{2}}Po\]. All these hydrides have angular structure which involves \[s{{p}^{3}}\]hybridisation of the central atom. All hydrides are volatile. The volatility increases from\[{{H}_{2}}O\] to \[{{H}_{2}}S\] and then decreases. All hydrides are weakly acidic in character. The increase in acidic character from \[{{H}_{2}}O\] to \[{{H}_{2}}Te\] is a result of the decrease in the H-E (where E = O, S, Se, Te, Po) bond dissociation enthalpy from \[{{H}_{2}}O\] to \[{{H}_{2}}Te\]. All the hydrides except water are reducing agents. The reducing property of these hydrides increases from \[{{H}_{2}}S\]to \[{{H}_{2}}Te\].

In the following questions (Q. No. 21-25), a statement of assertion followed by a statement of reason is given. Choose the correct answer out of the following choices on the basis of the above passage.

Assertion: Water has high boiling point.

Reason: Water molecules are associated with hydrogen bonding.

A) Assertion and reason both are correct statements and reason is correct explanation for assertion.

B) Assertion and reason both are correct statements but reason is not correct explanation for assertion.

C) Assertion is correct statement but reason is wrong statement.

D) Assertion is wrong statement but reason is correct statement.