- 1(current)
Q. No.In which of the following compounds, the carbon marked with an asterisk is most electronegative?
1.
2.
3.
4.
Subtopic: Hybridisation & Structure of Carbon Compounds |
87%
Level 1: 80%+
Hints
Match the terms mentioned in Column-I with the terms in Column-II.
| Column-I (Term) | Column-II (Definition) | ||
| A. | Carbocation | (i) | Species that can receive a pair of electrons. |
| B. | Nucleophile | (ii) | Conjunction of electrons of \(C-H ~\sigma-\) bond with the empty p-orbital present in adjacent positively charged carbon. |
| C. | Hyperconjugation | (iii) | sp2 hybridised carbon with empty p-orbital. |
| D. | Electrophile | (iv) | Species that can donate a pair of electrons. |
| Options: | A | B | C | D |
| 1. | (iii) | (iv) | (ii) | (i) |
| 2. | (i) | (ii) | (iii) | (iv) |
| 3. | (i) | (iv) | (iii) | (ii) |
| 4. | (iv) | (i) | (iii) | (ii) |
Subtopic: Hybridisation & Structure of Carbon Compounds |
82%
Level 1: 80%+
Hints
Given below are two statements:
| Assertion (A): | All the carbon atoms in H2C = C = CH2 are sp2-hybridised. |
| Reason (R): | In this molecule, all the carbon atoms are attached to each other by double bonds. |
| 1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
| 3. | (A) is True but (R) is False. |
| 4. | (A) is False but (R) is True. |
Subtopic: Hybridisation & Structure of Carbon Compounds |
70%
Level 2: 60%+
Hints
Two of the following compounds contain all the carbon atoms in the same hybridisation state.
(a)
(b)
(c)
(d)
Choose the correct option:
1. a and b
2. b and c
3. c and d
4. a and d
Subtopic: Hybridisation & Structure of Carbon Compounds |
81%
Level 1: 80%+
Hints
- 1(current)
Q. No.
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