- 1(current)
Q. No.Assertion(A): Primary aromatic amines form arenediazonium salts which are stable for a short time in solution at low temperatures (273-278 K).
Reason(R): Alkyldiazonium salt is more stable than arenediazonium salts
1. Both A and R are true and R is the correct explanation of A.
2. Both A and R are true but R is not the correct explanation of A.
3. A is a true statement but R is false.
4. Both A and R are false statements.
Reason(R): Alkyldiazonium salt is more stable than arenediazonium salts
1. Both A and R are true and R is the correct explanation of A.
2. Both A and R are true but R is not the correct explanation of A.
3. A is a true statement but R is false.
4. Both A and R are false statements.
Subtopic: Diazonium Salts: Preparation, Properties & Uses |
69%
From NCERT
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Assertion(A): In gattermann reaction, diazonium salt solution is treated with corresponding halogen acid in the presence of copper powder and haloarene is obtained as a product.
Reason(R): The yield in Sandmeyer reaction is found to be better than Gattermann reaction.
1. Both A and R are true and R is the correct explanation of A.
2. Both A and R are true but R is not the correct explanation of A.
3. A is a true statement but R is false.
4. Both A and R are false statements.
Reason(R): The yield in Sandmeyer reaction is found to be better than Gattermann reaction.
1. Both A and R are true and R is the correct explanation of A.
2. Both A and R are true but R is not the correct explanation of A.
3. A is a true statement but R is false.
4. Both A and R are false statements.
Subtopic: Diazonium Salts: Preparation, Properties & Uses |
81%
From NCERT
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Hints
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Consider the given two statements:
| Assertion (A): | When benzene diazonium chloride is reacted with phenol, then an azo dye is formed. |
| Reason (R): | It is an example of an electrophilic substitution reaction. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is a true statement but (R) is false. |
| 4. | Both (A) and (R) are false statements. |
Subtopic: Diazonium Salts: Preparation, Properties & Uses |
From NCERT
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Assertion(A): The Cl– , Br– and CN– nucleophiles can easily be introduced in the benzene ring of diazonium salt in the presence of Cu(I) ion. This reaction is called Sandmeyer reaction
Reason(R): Aryl fluorides and iodides cannot be prepared by direct halogenation but these can be easily obtained from diazonium salt
1. Both A and R are true and R is the correct explanation of A.
2. Both A and R are true but R is not the correct explanation of A.
3. A is a true statement but R is false.
4. Both A and R are false statements.
Reason(R): Aryl fluorides and iodides cannot be prepared by direct halogenation but these can be easily obtained from diazonium salt
1. Both A and R are true and R is the correct explanation of A.
2. Both A and R are true but R is not the correct explanation of A.
3. A is a true statement but R is false.
4. Both A and R are false statements.
Subtopic: Diazonium Salts: Preparation, Properties & Uses |
81%
From NCERT
To view explanation, please take trial in the course.
NEET 2026 - Target Batch - Vital
Hints
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NEET 2026 - Target Batch - Vital
- 1(current)
Q. No.
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