- 1(current)
Q. No.For 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 & 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 & 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 & Biology1. treatment of alkynes with Na in liquid NH3
2. heating alkyl halides with alcoholic KOH
3. treating alkyl halides in aqueous KOH solution
4. treating vicinal dihalides with Zn metal
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology- 1(current)
Q. No.
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