Q. No.The correct chain isomer of C6H14(n-hexane) among the following are:
a. 2-Methylpentane
b. 2,3-Dimethylbutane
c. 2-Ethylbutane
| 1. | a, c | 2. | a, b |
| 3. | b, c | 4. | a, b, c |
Match the items of column I with items of column II.
|
Column I |
Column II |
|
a. (CH3)3 CCH2C(CH3)3 |
i.Tetra – tert-butylmethane |
|
b. (CH3)2 C(C2H5)2 |
ii. 2,2,4,4-Tetramethylpentane |
|
c. 3,3-Di-tert-butyl-2,2,4,4-tetramethylpentane |
iii. 3,3-Dimethylpentane |
1. a= i; b = ii; c= iii
2. a = iii; b = ii; c = i
3. a = ii; b = iii; c = i
4. a = iii; b = i; c = ii
a. 2-Ethylpentane
b. 5-Ethyl–3-methylheptane
c. 3-Ethyl-2-methyloctane
d. 3-Ethyl-2,4-dimethylheptane
2. b, c
3. c, d
4. a, d
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
Match the items of column I with items of column II.
|
Column I |
Column II |
|
a. |
i. σ bonds : 33, π bonds : 2 |
|
b. |
ii. bonds : 7, π bonds : 4 |
|
c. |
iii. σ bonds : 23, π bond : 1 |
|
d. CH2=C(CH2CH2CH3)2 |
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
The number of structural isomers of alkenes of C5H10 (excluding cyclic isomers) is-
1. 6
2. 4
3. 5
4. 7
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
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 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 form total 8 isomers. |
| c. | The IUPAC name of one of the isomer is 3-methylpent-1-yne. |
1. a, b
2. a, c
3. b, c
4. None of the above
1. cis-1,2-Dichloroethene
2. trans-1,2-Dichloroethene
3. trans-1,2-Chloroethene
4. cis-1,2-Chloroethene
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