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1
NEET 2019
MCQ (Single Correct Answer)
+4
-1
Change Language
The manganate and permanganate ions are tetrahedral due to :
A
The $$\pi $$-bonding involves overlap of p-orbitals of oxygen with p-orbtials of manganese
B
The $$\pi $$-bonding involves overlap of d-orbitals of oxygen with d-orbitals of manganese
C
The $$\pi $$-bonding involves overlap of p-orbitals of oxygen with d-orbitals of manganese
D
There is no $$\pi $$-bonding
2
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
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 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
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