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Q. No.The IUPAC name of the given compound is:
1. cis-2,3-Diethylbut-2-ene
2. trans-2,3-Diethylbut-2-ene
3. cis-3,4-Dimethylhex-3-ene
4. trans-3,4-Dimethylhex-3-ene
Subtopic: Aliphatic Hydrocarbon -Nomenclature, Isomerism & Mechanism |
77%
Level 2: 60%+
Hints
The IUPAC name of the given compound is-
1. cis-2,3-Diethylbut-2-ene
2. trans-2,3-Diethylbut-2-ene
3. cis-3,4-Dimethylhex-3-ene
4. trans-3,4-Dimethylhex-3-ene
1. cis-2,3-Diethylbut-2-ene
2. trans-2,3-Diethylbut-2-ene
3. cis-3,4-Dimethylhex-3-ene
4. trans-3,4-Dimethylhex-3-ene
Subtopic: Aliphatic Hydrocarbon -Nomenclature, Isomerism & Mechanism |
82%
Level 1: 80%+
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
What specific reagents are used to convert dibromoethane into benzene?
1. (a) NaOH; (b) NaNH2; (c) Red hot iron tube at 873 K
2. (a) HBr; (b) NaNH2 ; (c) KMnO4
3. (a) alc.KOH; (b) NaNH2 ; (c) H2/Pd
4. None of the above
1. (a) NaOH; (b) NaNH2; (c) Red hot iron tube at 873 K
2. (a) HBr; (b) NaNH2 ; (c) KMnO4
3. (a) alc.KOH; (b) NaNH2 ; (c) H2/Pd
4. None of the above
Subtopic: Alkanes, Alkenes and Alkynes - Chemical Properties |
Level 4: Below 35%
Hints
The IUPAC name of the given compound is:
1. cis-1,2-Dichloroethene
2. trans-1,2-Dichloroethene
3. trans-1,2-Chloroethene
4. cis-1,2-Chloroethene
1. cis-1,2-Dichloroethene
2. trans-1,2-Dichloroethene
3. trans-1,2-Chloroethene
4. cis-1,2-Chloroethene
Subtopic: Aliphatic Hydrocarbon -Nomenclature, Isomerism & Mechanism |
90%
Level 1: 80%+
Hints
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
The correct statement(s) among the following is/are-
| a. | The 5th member of the alkyne series is hex-1-yne (C6H10 ). |
| b. | The 5th member of the alkyne series forms a total of 8 isomers. |
| c. | The IUPAC name of one of the isomer is 3-methylpent-1-yne. |
| 1. | a and b | 2. | a and c |
| 3. | b and c | 4. | None of the above |
Subtopic: Aliphatic Hydrocarbon -Nomenclature, Isomerism & Mechanism |
74%
Level 2: 60%+
Hints
Consider the following reaction
The product A and B are respectively:
1. 1-Bromohexane; 2-Bromohexane
2. 2-Bromohexane; 1-Bromohexane
3. 1-Bromohexane; 3-Bromohexane
4. 3-Bromohexane; 2-Bromohexane
Subtopic: Alkanes, Alkenes and Alkynes - Chemical Properties |
86%
Level 1: 80%+
Hints
The compound(s) among the following that show cis-trans isomerism is/are:
i. (CH3)2C = CH – C2H5
ii. CH2 = CBr2
iii. C6H5CH = CH – CH3
iv. CH3CH = CCl - CH3
| 1. | Only iii | 2. | iii, iv |
| 3. | iii, i | 4. | i, ii |
Subtopic: Aliphatic Hydrocarbon -Nomenclature, Isomerism & Mechanism |
81%
Level 1: 80%+
Hints
What is the IUPAC name of the given compound ?
1. trans-1,2-Chloroethene
2. cis-1,2-Chloroethane
3. trans-1,2-Dichloroethene
4. cis-1,2-Dichloroethene
Subtopic: Aliphatic Hydrocarbon -Nomenclature, Isomerism & Mechanism |
83%
Level 1: 80%+
Hints
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