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Q. No.The correct stability order of the following species/molecules is:
| 1. | q > r > p | 2. | r > q > p |
| 3. | q > p > r | 4. | p > q > r |
Subtopic: Aromaticity & Polarity |
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Level 2: 60%+
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How many of the following compounds contain a sulphur atom?
Pyrrole, Furan, Thiophene, Cysteine, Tyrosine, Pyridine
Pyrrole, Furan, Thiophene, Cysteine, Tyrosine, Pyridine
| 1. | Nine (9) | 2. | Zero (0) |
| 3. | Five (5) | 4. | Two (2) |
Subtopic: Aromaticity & Polarity |
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Level 1: 80%+
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Subtopic: Aromaticity & Polarity |
64%
Level 2: 60%+
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Consider the two structures:
Read the following statements:
(A) Q has more \(\boldsymbol{\delta}^-\) on chlorine than P.
(B) Q has more dipole moment than P.
(C) In Q, C-CI bond has double bond character.
(D) In Q, CI is attached to \(sp^2\) hybridised carbon but in P, CI is attached to \(sp^3\).
(E) In Q, C-CI bond length is more due to repulsion between lone pair on chlorine and \(\pi ~e^-\) in aromatic ring.
The correct options is:
1. A, B, D, E
2. C, D
3. B, C, D
4. B, C, D, E
Read the following statements:
(A) Q has more \(\boldsymbol{\delta}^-\) on chlorine than P.
(B) Q has more dipole moment than P.
(C) In Q, C-CI bond has double bond character.
(D) In Q, CI is attached to \(sp^2\) hybridised carbon but in P, CI is attached to \(sp^3\).
(E) In Q, C-CI bond length is more due to repulsion between lone pair on chlorine and \(\pi ~e^-\) in aromatic ring.
The correct options is:
1. A, B, D, E
2. C, D
3. B, C, D
4. B, C, D, E
Subtopic: Hybridisation & Structure of Carbon Compounds | Aromaticity & Polarity | Electron Displacement Effects |
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Level 2: 60%+
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Compare the rate of nitration in decreasing order :
1. A > B > C
2. A > C > B
3. B > A > C
4. C > A > B
1. A > B > C
2. A > C > B
3. B > A > C
4. C > A > B
Subtopic: Aromaticity & Polarity | Electron Displacement Effects |
86%
Level 1: 80%+
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