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WB JEE 2022 Chemistry - General Organic Chemistry Question 7 English

Hybridisation of the negative carbons in (1) and (2) are

A
sp2 and sp3
B
sp3 and sp2
C
both sp2
D
both sp3
2
WB JEE 2021
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The maximum number of atoms that can be in one plane in the molecule p-nitrobenzonitrile are
A
6
B
12
C
13
D
15
3
WB JEE 2021
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p-nitro-N, N-dimethylaniline cannot be represented by the resonating structures.

WB JEE 2021 Chemistry - General Organic Chemistry Question 10 English
A
I and II
B
II and IV
C
I and III
D
III and IV
4
WB JEE 2021
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Which structure has delocalised $$\pi$$-electrons?
A
O3
B
CO
C
HCN
D
O3 and HCN
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