1

IIT-JEE 1989

MCQ (Single Correct Answer)
The compound in which $$\mathop C\limits^* $$ uses its sp3 hybrid orbitals for bond formation is
A
H $$\mathop C\limits^* $$ OOH
B
(H2N)2 $$\mathop C\limits^* $$ O
C
(CH3)3 $$\mathop C\limits^* $$ OH
D
CH3 $$\mathop C\limits^* $$ HO
2

IIT-JEE 1989

MCQ (Single Correct Answer)
The molecule which has pyramidal shape is
A
PCl3
B
SO3
C
$$CO_3^{2-}$$
D
$$NO_3^-$$
3

IIT-JEE 1989

MCQ (Single Correct Answer)
The molecule which has zero dipole moment is:
A
CH2Cl2
B
BF3
C
NF3
D
ClO2
4

IIT-JEE 1988

MCQ (Single Correct Answer)
The species in which the central atom uses sp2 hybrid orbitals in its bonding is
A
PH3
B
NH3
C
$$CH_3^+$$
D
SbH3

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