- 1(current)
Q. No.The correct statement regarding electrophile is :
| 1. | Electrophile is a negatively charged species and can form a bond by accepting a pair of electrons from another electrophile |
| 2. | Electrophiles are generally neutral species and can form a bond by accepting a pair of electrons from a nucleophile |
| 3. | Electrophiles can be either neutral or positively charged species and can form a bond accepting a pair of electrons from a nucleophile |
| 4. | Electrophile is a negatively charged species and can form a bond by accepting a pair of electrons from a nucleophile |
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The most stable carbanion species among the following is-
| 1. | \(CCl^-_3\) | 2. | \(CH^-_3\) |
| 3. | \(CH_2Cl^-\) | 4. | \(CHCl^-_2\) |
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The incorrect statement among the following for a nucleophile is:
1. Nucleophile is a Lewis acid
2. Ammonia is a nucleophile
3. Nucleophiles attack low electron density sites
4. Nucleophiles are not electron seeking
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An electrophile among the following is -
| 1. | \(\mathrm{OH}^-\) | 2. | \(\mathrm{NC}^-\) |
| 3. | \(R_3C^-\) | 4. | Carbonyl group |
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Electrophilic addition reactions proceed in two steps. The first step involves the addition of an electrophile. The major intermediate formed in the first step is -
?
1. carbanion
2. carbocation
3. carbocation
4. carbanion
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The addition of HCl to an alkene proceeds in two steps. The first step is the attack of H+ ion on the double bond portion. The same can be shown as-
| 1. |  |
2. |  |
| 3. |  |
4. | All of these are possible |
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- 1(current)
Q. No.
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