1
COMEDK 2022
MCQ (Single Correct Answer)
+1
-0

Which of the following molecules does not exhibit dipole moment?

(i) CCl$$_4$$ (ii) CO$$_2$$ (iii) NH$$_3$$ (iv) CHCl$$_3$$ (v) H$$_2$$O (vi) CH$$_3$$$$-$$O$$-$$CH$$_3$$

A
(ii), (v), (iv)
B
(i), (iii), (vi)
C
(i), (ii)
D
(iii), (iv), (vi)
2
COMEDK 2022
MCQ (Single Correct Answer)
+1
-0

Increasing order of bond order of oxygen and its ions is

A
$${O_2} < O_2^ + < O_2^{2 - } < O_2^ - $$
B
$$O_2^ - < O_2^{2 - } < O_2^ + < {O_2}$$
C
$$O_2^ + < {O_2} < O_2^ - < O_2^{2 - }$$
D
$$O_2^{2 - } < O_2^ - < {O_2} < O_2^ + $$
3
COMEDK 2022
MCQ (Single Correct Answer)
+1
-0

The P-O bond order in PO$$_4^{3-}$$ is

A
1
B
1.5
C
1.45
D
1.25
4
COMEDK 2022
MCQ (Single Correct Answer)
+1
-0

Which of the following compound does not exists?

A
NCl$$_3$$
B
NCl$$_5$$
C
SbCl$$_3$$
D
NI$$_3$$
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