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Predict the product of the following reaction:
\[\begin{array}{cc}
\phantom{..............}\ce{O}\\
\phantom{..............}||\\
\ce{R - CH = CH - CHO + NH2 - C - NH - NH2 ->[H+]}\end{array}\]
Concept: undefined >> undefined
What is meant by the following term? Give an example of the reaction in the following case.
Cyanohydrin
Concept: undefined >> undefined
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What is meant by the following term? Give an example of the reaction in the following case.
Acetal
Concept: undefined >> undefined
What is meant by the following term? Give an example of the reaction in the following case.
Semicarbazone
Concept: undefined >> undefined
What is meant by the following term? Give an example of the reaction in the following case.
Hemiacetal
Concept: undefined >> undefined
What is meant by the following term? Give an example of the reaction in the following case.
Oxime
Concept: undefined >> undefined
What is meant by the following term? Give an example of the reaction in the following case.
Ketal
Concept: undefined >> undefined
What is meant by the following term? Give an example of the reaction in the following case.
Imine
Concept: undefined >> undefined
What is meant by the following term? Give an example of the reaction in the following case.
2, 4-DNP-derivative
Concept: undefined >> undefined
What is meant by the following term? Give an example of the reaction in the following case.
Schiff’s base
Concept: undefined >> undefined
Predict the products formed when cyclohexanecarbaldehyde reacts with the following reagents.
PhMgBr and then H3O+
Concept: undefined >> undefined
Predict the products formed when cyclohexanecarbaldehyde reacts with the following reagents.
Semicarbazide and weak acid
Concept: undefined >> undefined
Predict the products formed when cyclohexanecarbaldehyde reacts with the following reagents.
Excess ethanol and acid
Concept: undefined >> undefined
Acetaldehyde, Acetone, Di-tert-butyl ketone, Methyl tert-butyl ketone (reactivity towards HCN)
Concept: undefined >> undefined
How will you bring about the following conversion in not more than two steps?
Bromobenzene to 1-Phenylethanol
Concept: undefined >> undefined
Give plausible explanation for the following:
Cyclohexanone forms cyanohydrin in good yield but 2, 2, 6 trimethylcyclohexanone does not.
Concept: undefined >> undefined
Give plausible explanation for the following:
There are two −NH2 groups in semicarbazide. However, only one is involved in the formation of semicarbazones.
Concept: undefined >> undefined
Complete the synthesis by giving missing starting material, reagent or product.
\[\ce{C6H5CHO ->[H2NCONHNH2]}\]
Concept: undefined >> undefined
Complete the synthesis by giving missing starting material, reagent or product.
Concept: undefined >> undefined
Ortho and para nitrophenols are more acidic than phenol. Draw the resonance structures of the corresponding phenoxide ions.
Concept: undefined >> undefined
