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neet CHEMISTRYMedium

Given below are two statements: Statement I: The boiling points of the following hydrides of group 16 elements increases in the order H2O<H2S<H2Se<H2TeH_2O < H_2S < H_2Se < H_2Te. Statement II: The boiling points of these hydrides increase with increase in molar mass. In the light of the above statements, choose the most appropriate answer from the options given below:

A

Both Statement I and Statement II are correct

B

Both Statement I and Statement II are incorrect

C

Statement I is correct but Statement II is incorrect

D

Statement I is incorrect but Statement II is correct

Step-by-Step Solution

The boiling points of these hydrides do not exactly increase with increase in molar mass. H2OH_2O has maximum boiling point due to intermolecular hydrogen bonding. The correct order is H2S<H2Se<H2Te<H2OH_2S < H_2Se < H_2Te < H_2O.

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