1

IIT-JEE 1996

Fill in the Blanks
When N2, the N-N bond distance _____ and when O2 goes to $$O_2^+$$ the O-O bond distance ___.

Answer

increases, decreases
2

IIT-JEE 1994

Fill in the Blanks
The two types of bond present in B2H6 are covalent and _______.

Answer

Three centered two electrons bond or banana bond
3

IIT-JEE 1990

Fill in the Blanks
The shape of [CH3]+ is _____.

Answer

planar
4

IIT-JEE 1982

Fill in the Blanks
____ hybrid orbitals of nitrogen atom are involved in the formation of ammonium ion.

Answer

sp3

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Class 12