Fri July 20, 2012 By:

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

Expert Reply
Tue July 24, 2012
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.  
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