Correct statement among the following is-
a. For SN2 reactivity order is CH3CH2CH2CH2Br > (CH3)2CHCH2Br > CH3CH2CH(Br)CH3 > (CH3)3CBr
b. For SN1 reactivity order is (CH3)3CBr > CH3CH2CH(Br)CH3 >CH3CH2CH2CH2Br >(CH3)2CHCH2Br
c. For SN1 reactivity order is C6H5CH2Br < C6H5CH(CH3)Br < C6H5CH(C6H5)Br< C6H5C(CH3)(C6H5)Br
d. For SN2 reactivity order is C6H5CH2Br > C6H5CH(CH3)Br > C6H5CH(C6H5)Br > C6H5C(CH3)(C6H5)Br
The correct statement(s) is/are-
1. a, b
2. b, c
3. a, c, d
4. b, d
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe incorrect match among the following is-
a. = chiral
b. = chiral
c. = chiral
d. = chiral
1. a, b
2. b, c, d
3. c, d
4. c, b
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAssertion(A): chlorine is an electron-withdrawing group, yet it is ortho-, para- directing in electrophilic aromatic substitution reactions.
Reason(R): Halogen atom is a ring deactivator.
1. Both assertion and reason are true, and reason is the correct explanation of the assertion.
2. Both assertion and reason are true, but reason is not the correct explanation of the assertion.
3. Assertion is true but reason is false.
4. Assertion is false but reason is true.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIn the following pairs of halogen compounds, the pair that would undergo SN2 reaction faster-
1. ;
2. ;
3. ;
4. ;
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyConsider the following reaction.
The product A and B are respectively-
1. A= R-CH2-CN; B= R-CH2-NC
2. A= R-CH2-NC; B= R-CH2-CN
3. A= R-NCH-CH3; B= R-CH2-CN
4. A= R-CH2-NC; B= R-CHN-CH3
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyConsider the following reaction
The product A is-
1.
2.
3.
4. None of the above
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe number of monochloro structural isomers formed on free radical monochlorination of (CH3)2CHCH2CH3 is-
1. 5
2. 3
3. 4
4. 6
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyMatch the items in column I with the column II.
Column I: Structures | Column II: IUPAC name |
a. |
i. 4-Bromo- 3-methylpent-2-ene |
b. |
ii. 3-Bromo-2-methylpropene |
c. |
iii. 1-Bromo-2-methylbut-2-ene |
d. |
iv. 4-Bromopent-2-ene |
1. a=iii; b=iv; c=i; d=ii
2. a=ii; b=iv; c=i; d=iii
3. a=iv; b=i; c=ii; d=iii
4. a=iv; b=ii, c=iv; d=iii
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe correct statement among the following about C5H11Br is-
1. It has total 8 isomers, 4 are primary alkyl bromide isomers and 2 are tertiary alkyl bromide isomers.
2. It has total 7 isomers, 4 are primary alkyl bromide isomers and 2 are tertiary alkyl bromide isomers.
3. It has total 8 isomers, 4 are primary alkyl bromide isomers and 3 are secondary alkyl bromide isomers.
4. It has total 7 isomers, 3 are secondary alkyl bromide isomers and 1 is a tertiary alkyl bromide isomer.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyPrefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot
NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology