M.Sc. Chemistry (PU-CET P.G) 2017 Panjab University Entrance Exam With Answers

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47.

According to Wade’s rule, the structures of B10C2H12 and [B9C2H11]^2- respectively are :

A: closo and arachno
B: nido and closo
C: closo and nido
D: nido and arachno

The answer is: C