The reaction,
+ + HCl
is an example of:
1. Friedel-Crafts reaction
2. Kolbe's synthesis
3. Wurtz's reaction
4. Grignard synthesis
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The products formed after ozonolysis of Pent-2-ene are:
1. Ethanal and Methanal
2. Ethanal and Propanal
3. Ethanal and Butanal
4. Ethanal and Ethanal
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An alkene that gives a mixture of ketones only on ozonolysis, from the following, is :
1. | 2. | ||
3. | 4. |
1. | 2. | ||
3. | 4. |
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Decreasing order of acidic behavior of benzene, n-hexane, and ethyne is -
1. Hexane > Ethyne > Benzene
2. Benzene > Hexane > Ethyne
3. Ethyne > Benzene > Hexane
4. Benzene > Ethyne > Hexene
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An alkene ‘A’ on ozonolysis gives a mixture of ethanal and pentan-3-one.
The IUPAC name of ‘A’ is :
1. 3-Ethylpent-2-ene
2. 3-Ethylpent-2- yne
3. 2-Ethylpent-3-ene
4. 3-Ethylpent-4-yne
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The compound most likely to decolorise a solution of cold basic is:
1. CH3– CH3
2. CH3CH2CH3
3.
4.
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Anti-Markovnikov’s addition of HBr is not observed in-
1. | Propene | 2. | But-1-ene |
3. | But-2-ene | 4. | Pent-2-ene |
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Baeyer's reagent is:
1. Acidified permanganate solution
2. Alkaline permanganate solution
3. Neutral permanganate solution
4. Aqueous bromine solution
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Given below is a reaction sequence: |
1. | |
2. | |
3. | |
4. |
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