First slide
13th group or boron group
Question

Sum of the Bond lengths ( in A°) of two types of B-H bonds in B2H6 is 
(B-terminal ‘H’ and B-bridge H)
 

Moderate
Solution

B.L of B-terminal ‘H’=1.19 A° B.L of B-bridge ‘H’ = 1.34 A°.  Total B.L= 2.53 A°

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