Which one of the following conversions involves change in both hybridi

1.	Which one of the following conversions involves change in both hybridisation and shape ?
Answer» `CH_(4)to C_(2)H_(6)` `NH_(3) to NH_(4)^(+)` `BF_(3) to BF_(4)^(-)` `H_(2) O to H_(3) O ` Solution :`{:("Compound/ion","Hybridisation","SHAPE"),(CH_(4),sp^(3),"Tetrahedral"),(C_(2)H_(6),sp^(3),"Tetrahedral"),(NH_(3) ,sp^(3),"Trigonal"),(, , "Pyramidal"),(NH_(4)^(-),sp^(3),"Tetrahedral"),(NH_(4)^(+),sp^(3),"Tetrahedral"),(BF_(3),sp^(2),"TRIANGULAR"),(, , "planar"),(BF_(4)^(-),sp^(3),"Tetrahedral"),(H_(2)O, sp^(3), "V-shaped"),(H_(3)O^(+),sp^(3), "Trigonal"),(, ,"pyramidal"):}`

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