Q. No.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
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 |
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 |
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 |
The IUPAC name of the given compound is-
1. trans-1,2-Chloroethene
2. cis-1,2-Chloroethane
3. trans-1,2-Dichloroethene
4. cis-1,2-Dichloroethene
How many structural isomers of C₅H₁₀ are possible if cyclic structures are excluded?
1. 6
2. 4
3. 5
4. 7
Match the items of Column I with items of Column II.
| Column I (Compound) |
Column II (Number of Bonds) |
||
| a. |  |
i. | σ bonds : 33, π bonds : 2 |
| b. |  |
ii. | σ bonds : 7, π bonds : 4 |
| c. |  |
iii. | σ bonds : 23, π bond : 1 |
| d. |  |
iv. | σ bonds : 41, π bond : 1 |
1. a = iii; b = iv; c = ii; d = i
2. a = ii; b = iv; c = i; d = iii
3. a = ii; b = i; c = iv; d = iii
4. a = iv; b = i; c = ii; d = iii
Match the items of column I with items of column II.
|
Column I |
Column II |
|
a. |
i. 1,3,5,7-Octatetraene |
|
b. |
ii. 4-Ethyl-2,6-dimethyl-dec-4-ene |
|
c. |
iii. 2,8-Dimethyl-3, 6-decadiene |
|
d. CH2=C(CH2CH2CH3)2 |
iv. 2-n-Propylpent-1-ene |
1. a= iii; b = iv; c= ii; d = i
2. a = i; b = iii; c = ii; d = iv
3. a = ii; b = i; c = iv; d = iii
4. a = iv; b = i; c = ii; d = iii
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
a. 2-Ethylpentane
b. 5-Ethyl–3-methylheptane
c. 3-Ethyl-2-methyloctane
d. 3-Ethyl-2,4-dimethylheptane
| 1. | a, b | 2. | b, c |
| 3. | c, d | 4. | a, d |
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