1
NEET 2019
MCQ (Single Correct Answer)
+4
-1
Change Language
The number of sigma ($$\sigma $$) and pi ($$\pi $$) bonds in pent-2-en-4-yne is -
A
11 $$\sigma $$ bonds and 2 $$\pi $$ bonds
B
13 $$\sigma $$ bonds and no $$\pi $$ bonds
C
10 $$\sigma $$ bonds and 3 $$\pi $$ bonds
D
8 $$\sigma $$ bonds and 5 $$\pi $$ bonds
2
NEET 2018
MCQ (Single Correct Answer)
+4
-1
Change Language
Consider the following species : CN+ , CN , NO and CN. Which one of these will have the highest bond order?
A
NO
B
CN
C
CN+
D
NO
3
NEET 2018
MCQ (Single Correct Answer)
+4
-1
Change Language
In the structure of ClF3 , the number of lone pairs of electrons on central atom ‘Cl’ is
A
one
B
two
C
four
D
three
4
NEET 2017
MCQ (Single Correct Answer)
+4
-1
Change Language
Which one of the following pairs of species have the same bond order ?
A
O2, NO+
B
CN$$-$$, CO
C
N2, O2$$-$$
D
CO, NO

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