The H−X bond length is 105pm and the H−Y bond length is 119pm. Which of the...

The H−X bond length is 105pm and the H−Y bond length is 119pm. Which of the following statements is most likely true about the bonding in H−X and H−Y assuming X and Y are in the same period on the periodic table?

Select the correct answer below:

There is greater orbital overlap between H and Y than between H and X.

There is greater orbital overlap between H and X than between H and Y.

H−Y is a stronger bond than H−X .

The H−Y bond energy is greater than the H−X bond energy.

Expert Solution

Given that bond length of H - X is 105pm and H-Y is 119pm

Bond length depends on the extent of orbital overlap. If orbital overlap is greater bond length is small. Smaller bond will be stronger and bond energy will be greater

As the bond length is smaller for H-X ,there is greater orbital overlap between H and X than between H and Y. Option 2 is correct and option 1 is wrong

H-X bond is stronger than H-Y. Option 3 is wrong.

H-Y bond energy is lesser than H-X as H-Y is longer bond. option 4 is wrong

queen_honey_blossom answered 2 years ago

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