1
NEET 2013 (Karnataka)
MCQ (Single Correct Answer)
+4
-1
Change Language
The outer orbitals of C in ethane molecule can be considered to be hybridized to give three equivalent sp2 orbitals. The total number of sigma $$\left( \sigma \right)$$ and pi $$\left( \pi \right)$$ bonds in ethane molecule is
A
3 sigma $$\left( \sigma \right)$$ and 2 pi $$\left( \pi \right)$$ bonds
B
4 sigma $$\left( \sigma \right)$$ and 1 pi $$\left( \pi \right)$$ bonds
C
5 sigma $$\left( \sigma \right)$$ and 1 pi $$\left( \pi \right)$$ bonds
D
1 sigma $$\left( \sigma \right)$$ and 2 pi $$\left( \pi \right)$$ bonds
2
NEET 2013 (Karnataka)
MCQ (Single Correct Answer)
+4
-1
Change Language
In which of the following ionization processes the bond energy increases and the magnetic behaviour changes from paramagnetic to diamagnetic.
A
O2 $$ \to $$ O2+
B
C2 $$ \to $$ C2+
C
NO $$ \to $$ NO+
D
N2 $$ \to $$ N2+
3
NEET 2013
MCQ (Single Correct Answer)
+4
-1
Change Language
Which of the following is paramagnetic?
A
CN$$-$$
B
NO+
C
CO
D
O2$$-$$
4
NEET 2013
MCQ (Single Correct Answer)
+4
-1
Change Language
Which of the following is a polar molecule?
A
SiF4
B
XeF4
C
BF3
D
SF4
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