1
IIT-JEE 1989
MCQ (Single Correct Answer)
+1
-0.25
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)
+1
-0.25
Which of the following is paramagnetic?
A
$$O_2^-$$
B
CN-
C
CO
D
NO+
3
IIT-JEE 1988
MCQ (Single Correct Answer)
+1
-0.25
The molecule that has linear structure is
A
CO2
B
NO2
C
SO2
D
SiO2
4
IIT-JEE 1988
MCQ (Single Correct Answer)
+1
-0.25
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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