In which of the following substances will hydrogen bond be strongest?
(i) HCl
(ii) H2O
(iii) HI
(iv) H2S
In which of the following substances will hydrogen bond be strongest?
(i) HCl
(ii) H2O
(iii) HI
(iv) H2S
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1 Answer
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This is a Multiple Choice Questions as classified in NCERT Exemplar
Ans: Option (ii)
Hydrogen bond is the strongest in that molecules have a higher difference in electronegativity. Due to the small size of the oxygen atom, it has the highest electronegative character. So, H2O molecules will have the strongest hydrogen bonding
HCl, HI and H2Sdo not have hydrogen bonding between their atoms. So, H2O will have the strongest hydrogen bonding.
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