- 1(current)
Q. No.Which of the following alkanes cannot be made in good yield by Wurtz reaction :
| 1. | 2,3-Dimethylbutane | 2. | n-Heptane |
| 3. | n-Butane | 4. | n-Hexane |
Subtopic: Aliphatic Hydrocarbon - Methods of Preparation |
81%
Level 1: 80%+
NEET - 2020
Please attempt this question first.
Hints
Please attempt this question first.
Reactant A in the following reaction is:
A + NaOH \(\xrightarrow[\Delta ]{CaO}\) CH3CH2CH3 + Na2CO3
1. Sodium ethanoate
2. Sodium propanoate
3. Sodium butanoate
4. Sodium methanoate
Subtopic: Aliphatic Hydrocarbon - Methods of Preparation |
76%
Level 2: 60%+
Hints
Subtopic: Aliphatic Hydrocarbon - Methods of Preparation |
72%
Level 2: 60%+
NEET - 2021
Hints
Which one of the following pairs will be produced when Mg2C3 and CaC2 react with H2O respectively?
| 1. | Propyne and ethane | 2. | Propane and ethane |
| 3. | Propyne and ethyne | 4. | Ethene and ethyne |
Subtopic: Aliphatic Hydrocarbon - Methods of Preparation |
81%
Level 1: 80%+
Please attempt this question first.
Hints
Please attempt this question first.
Which of the following methods cannot be used to yield ethane?
1. Heating methyl iodide with sodium metal in ether.
2. Hydrogenation of ethene.
3. Sodium acetate on Kolbe’s electrolysis.
4. Hydrolysis of CaC2.
1. Heating methyl iodide with sodium metal in ether.
2. Hydrogenation of ethene.
3. Sodium acetate on Kolbe’s electrolysis.
4. Hydrolysis of CaC2.
Subtopic: Aliphatic Hydrocarbon - Methods of Preparation |
74%
Level 2: 60%+
Please attempt this question first.
Hints
Please attempt this question first.
Which of the following statement(s) is/are correct about the elimination reaction of 2-Bromopentane to form pent-2-ene:
(a) -Elimination reaction
(b) Follows Zaitsev rule
(c) Dehydrohalogenation reaction
(d) Dehydration reaction
| 1. | (a), (c), (d) | 2. | (b), (c), (d) |
| 3. | (a), (b), (d) | 4. | (a), (b), (c) |
Subtopic: Aliphatic Hydrocarbon -Nomenclature, Isomerism & Mechanism | Aliphatic Hydrocarbon - Methods of Preparation |
77%
Level 2: 60%+
NEET - 2020
Hints
Links
What reagents are used to convert ethanoic acid into ethane?
| 1. | a-SOCl2; b-NH3; c-LiAlH4; d-CH3Cl |
| 2. | a-NaOH(aq); b-Sodalime and heat; c-Cl2, hv; d-Na/dry ether |
| 3. | a-LiAlH4; b-HCl and heat; c-Na/dry ether |
| 4. | None of the above |
Subtopic: Aliphatic Hydrocarbon - Methods of Preparation | Alkanes, Alkenes and Alkynes - Chemical Properties |
73%
Level 2: 60%+
Hints
What reagents are used to convert ethane to dibromoethane?
1. a-Cl2, hv; b-NaOH; c- KMnO42. a-Cl2, hv; b-alc. KOH; c-Br2
3. a-Cl2, hv; b-NaI, acetone; c- NaOH
4. a-Cl2, hv; b-alc. KOH; c- HBr
Subtopic: Aliphatic Hydrocarbon - Methods of Preparation | Alkanes, Alkenes and Alkynes - Chemical Properties |
82%
Level 1: 80%+
Hints
Subtopic: Aliphatic Hydrocarbon - Methods of Preparation |
67%
Level 2: 60%+
Please attempt this question first.
Hints
Please attempt this question first.
- 1(current)
Q. No.
© 2026 GoodEd Technologies Pvt. Ltd.