In which of the following compounds, the carbon marked with an asterisk is most electronegative?
1.
2.
3.
4.
Match the terms mentioned in Column I with the terms in Column II.
Column I |
Column II |
A. Carbocation |
1. Species that can receive a pair of electrons |
B. Nucleophile |
2. Conjunction of electrons of bond with the empty p-orbital present in adjacent positively charged carbon |
C. Hyperconjugation |
3. hybridised carbon with empty p-orbital |
D. Electrophile |
4. Species that can donate a pair of electrons |
Codes:
Options: | A | B | C | D |
1. | 3 | 4 | 2 | 1 |
2. | 1 | 2 | 3 | 4 |
3. | 1 | 4 | 3 | 2 |
4. | 4 | 1 | 3 | 2 |
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. |
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, b
2. b, c
3. c, d
4. a, d