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    				| 1. | A molecule XY, contains two Ď, two Ď bonds and one lone pair of electrons in the valence shell of X. The arrangementof lone pair as well as bond pairs is57(a) Square pyramidal(b) Linear(c) Trigonal planar(d) Unpredictable | 
| Answer» since there are three sigma bond equivalents therefore hybridisation should be sp2(lone pair=1 sigma bond equivalent, and two sigma bonds).so structure should be trigonal planar | |