Tue September 06, 2011 By: Venika Singhal

When NH3 is treated with HCL,H-N-H bond angle inreases or decreases. Pl. explain.

Expert Reply
Wed September 07, 2011
Bond angle increases. As, NH4+ is tetrahedral and the N-H bonds are 109.5º  while, NH3 is trigonal pyramidal, the N-H bond angle is 107º.
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