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The conversion of phthalamide to phthalimide is brought about by the loss of ______ molecule.
- a)one H2O
- b)two H2O
- c)one NH3
- d)two NH3
Correct answer is option 'C'. Can you explain this answer?
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The conversion of phthalamide to phthalimide is brought about by the l...
Conversion of phthalamide to phthalimide:
Phthalamide is an amide derivative of phthalic acid, which has the following structure:
Structure of phthalamide:
Phthalamide has two amide functional groups attached to the phthalic acid moiety.
Phthalimide is the cyclic imide derivative of phthalic acid, which has the following structure:
Structure of phthalimide:
Phthalimide contains a cyclic imide group attached to the phthalic acid moiety.
The conversion of phthalamide to phthalimide involves the loss of one NH3 molecule.
Explanation:
1. Phthalamide contains two amide functional groups, which can undergo hydrolysis reactions.
2. In the presence of a strong base or acid, the amide groups in phthalamide can be hydrolyzed to form carboxylic acids and ammonium ions.
3. In this case, the amide group attached to the phthalic acid moiety undergoes hydrolysis, resulting in the formation of phthalic acid and ammonium ion.
4. The ammonium ion can then undergo deprotonation to form ammonia (NH3) and a proton (H+).
5. The loss of one NH3 molecule from phthalamide results in the formation of the cyclic imide group, leading to the formation of phthalimide.
Therefore, the conversion of phthalamide to phthalimide is brought about by the loss of one NH3 molecule.
Phthalamide is an amide derivative of phthalic acid, which has the following structure:
Structure of phthalamide:
Phthalamide has two amide functional groups attached to the phthalic acid moiety.
Phthalimide is the cyclic imide derivative of phthalic acid, which has the following structure:
Structure of phthalimide:
Phthalimide contains a cyclic imide group attached to the phthalic acid moiety.
The conversion of phthalamide to phthalimide involves the loss of one NH3 molecule.
Explanation:
1. Phthalamide contains two amide functional groups, which can undergo hydrolysis reactions.
2. In the presence of a strong base or acid, the amide groups in phthalamide can be hydrolyzed to form carboxylic acids and ammonium ions.
3. In this case, the amide group attached to the phthalic acid moiety undergoes hydrolysis, resulting in the formation of phthalic acid and ammonium ion.
4. The ammonium ion can then undergo deprotonation to form ammonia (NH3) and a proton (H+).
5. The loss of one NH3 molecule from phthalamide results in the formation of the cyclic imide group, leading to the formation of phthalimide.
Therefore, the conversion of phthalamide to phthalimide is brought about by the loss of one NH3 molecule.
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Community Answer
The conversion of phthalamide to phthalimide is brought about by the l...
Phthalic acid on reaction with NH3 forms ammonium phthalate, which on heating loses two H2O molecules, one from each COONH4 group, to form phthalamide. This on further strong heating loses one NH3 molecule to form phthalimide, which is an imide derivative of phthalic anhydride.
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The conversion of phthalamide to phthalimide is brought about by the loss of ______ molecule.a)one H2Ob)two H2Oc)one NH3d)two NH3Correct answer is option 'C'. Can you explain this answer?
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