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Q. No.
Among the following, which hydrolysis reaction occurs at the slowest rate?
1.
2.
3.
4.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA compound that does not undergo SN1 reaction with OH- is-
| 1. | CH2=CH-CH2Cl | 2. | (CH3)3CCl |
| 3. |  |
4. |  |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyFor the following compounds, what is the correct sequence of the bond enthalpy of the "C-X" bond?
1. CH3-F < CH3-Cl > CH3-Br > CH3-I
2. CH3-Cl > CH3-F > CH3-Br > CH3-I
3. CH3-F < CH3-Cl < CH3-Br < CH3-I
4. CH3-F > CH3-Cl > CH3-Br > CH3-I
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe major product formed in the dehydrohalogenation reaction of 2-Bromo pentane is Pent-2-ene. This product formation is based on:
1. Hofmann Rule
2. Huckel's Rule
3. Saytzeff's Rule
4. Hund's Rule
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology| 1. |  |
| 2. | Benzene, Cl2, anhydrous FeCl3 |
| 3. | Phenol, NaNO2, HCl, CuCl |
| 4. |  |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology| 1. | A racemic mixture shows zero optical rotation |
| 2. | SN1 reaction yields a 1:1 mixture of both enantiomers |
| 3. | The product obtained by SN2 reaction of haloalkane having chirality at the reactive site shows the inversion of configuration |
| 4. | Enantiomers are superimposable mirror images on each other |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe correct reaction among the following is
| 1. |  |
| 2. |  |
| 3. | \(2CH_3CH_2Br\xrightarrow[dry~ether]{Mg}CH_3CH_2CH_2CH_3\) |
| 4. | \(2CH_3CH_2Br\xrightarrow[Ethanol]{Na}CH_3CH_2CH_2CH_3\) |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe product formed in the following reaction sequence is
| 1. |  |
| 2. | \(CH_3-CH=CH-CH_3 \) |
| 3. | \(CH_3 -CH_2 -CH = CH_2 \) |
| 4. | \(CH_3 -CH_2 -CH_2 -CH_2 -OH \) |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology(I) CH3CH2CH2CH2Cl
(II) CH3CH2CH(Cl)CH3
(III) (CH3)2CHCH2Cl
(IV) (CH3)3CCl
1. (IV) > (III) > (II) > (I)
2. (I) > (II) > (III) > (IV)
3. (I) > (III) > (II) > (IV)
4. (IV) > (II) > (III) > (I)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology| Assertion (A): | Chlorine is an electron withdrawing group but it is ortho, para directing in electrophilic aromatic substitution. |
| Reason (R): | Inductive effect of chlorine destabilises the intermediate carbocation formed during the electrophilic substitution, however due to the more pronounced resonance effect, the halogen stabilises the carbocation at ortho and para positions. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | (A) is false but (R) is true. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologySelect Chapter Topics:
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