Based on the data in the figure, select all of the statements that are false . S

Question

Based on the data in the figure, select all of the statements that are false.

Solvation energies of the ions are larger than solvation energies of the neutral species. The favorable interaction of water with neutral HF is a major reason why HF is a weaker acid than HI. For both HF and HI, solvation of the ions more than compensates for the unfavorable energy of gas phase dissociation. Neutral HF is more strongly solvated by water than neutral HI. The overall energy of dissociation is favorable for HF but unfavorable for HI. Neutral HF is is more difficult to dissociate than neutral HI. Based on the data in the figure, select all of the statements that are false.

Explanation / Answer

Solvation energies of the ions are larger than solvation energies of the neutral species. TRUE

from table solvation energy of HF and HI are -12 and 2.5 but solvation of ions of H+, F- and H+, I- are -212 and -150.8 respectively.

The favorable interaction of water with neutral HF is a major reason why HF is a weaker acid than HI. TRUE

Since HF can form stronger inter molecular hydrogen bonding and with water molecules also.

For both HF and HI, solvation of the ions more than compensates for the unfavorable energy of gas phase dissociation. TRUE

Since the solvation energy of HF and HI is greater than dissociation energy.

Neutral HF is more strongly solvated by water than neutral HI. TRUE

Since it can form strong inter molecular hydrogen bonding.

The overall energy of dissociation is favorable for HF but unfavorable for HI. FALSE because HF has +ve energy and HI has -ve energy which means HI can easily dissociated into ions.

Neutral HF is is more difficult to dissociate than neutral HI TRUE because the bond energy HF is higher compare with HI.

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