u have explained that when one o-h bond breaks in water second gets weaker. then why is at so that second bond requires more energy than first to break

Asked by  | 20th Jul, 2012, 11:18: PM

Expert Answer:

Oxygen is very electronegative, if you take away one hydrogen bond ...the electron density on it greatly increases..

Hence the other hydrogen-oxygen bond which was already very strong becomes even more stronger.  

Answered by  | 24th Jul, 2012, 09:02: AM

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