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1
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+
2
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
3
NEET 2013 (Karnataka)
MCQ (Single Correct Answer)
+4
-1
Change Language
The pair of species that has the same bond order in the following is
A
CO, NO+
B
NO$$-$$, CN$$-$$
C
O2, N2
D
O2, B2
4
NEET 2013
MCQ (Single Correct Answer)
+4
-1
Change Language
Which of the following is electron-deficient ?
A
(BH3)2
B
PH3
C
(CH3)2
D
(SiH3)2
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