1
COMEDK 2026 Afternoon Shift
MCQ (Single Correct Answer)
+1
-0

According to Molecular orbital theory, which of the following is correct with respect to bond order?

A

Bond order of $\mathrm{N}_2^{+}$is less than $\mathrm{O}_2$ while that of $\mathrm{O}_2^{+}$is more than $\mathrm{O}_2$.

B

Bond order of $\mathrm{N}_2^{+}$is less than $\mathrm{N}_2$ while that of $\mathrm{O}_2^{+}$is more than $\mathrm{O}_2$.

C

Bond order of $\mathrm{N}_2^{+}$and $\mathrm{O}_2^{+}$is less than $\mathrm{O}_2$

D

Bond order of $\mathrm{N}_2^{+}$and $\mathrm{O}_2^{+}$is more than $\mathrm{N}_2$

2
COMEDK 2026 Morning Shift
MCQ (Single Correct Answer)
+1
-0

The hybridisation of atomic orbitals of nitrogen in $\mathrm{NO}_2{ }^{+}, \mathrm{NO}_3{ }^{-}$and $\mathrm{NH}_4{ }^{+}$are respectively

A

$s p, s p^2, s p^3$

B

$s p, s p^3, s p^2$

C

$s p^2, s p^2, s p^3$

D

$s p^2, s p, s p^3$

3
COMEDK 2026 Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following options represent the correct bond order?

A

$O_2^{+}< O_2^{-}< O_2$

B

$O_2< O_2^{-}< O_2^{+}$

C

$\mathrm{O}_2^{-}<\mathrm{O}_2<\mathrm{O}_2^{+}$

D

$O_2^{-}< O_2^{+}< O_2$

4
COMEDK 2026 Morning Shift
MCQ (Single Correct Answer)
+1
-0

The highest dipole moment is for:

A

$\mathrm{CH}_4$

B

$\mathrm{CHCl}_3$

C

$\mathrm{CCl}_4$

D

$\mathrm{CH}_2 \mathrm{Cl}_2$

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