- 1(current)
Q. No.The correct sequence of reagents used in the preparation of 1,3,5-tribromobenzene from aniline is:
1. a. Br2/H2O; b- NaNO2/HCl; c- H3PO2 /H2O
2. a-NaNO2/HCl; b- H3PO2 /H2O; c-Br2/H2O
3. a-NaNO2/HCl; b-H2O; c-Br2/H2O
4. None of the above
Subtopic: Â Diazonium Salts: Preparation, Properties & Uses |
 62%
Level 2: 60%+
Hints
The correct sequence of reagents used in the preparation of 3-nitrotoluene from 3-Methylaniline is:
1. (a)- Br2/H2O; (b)- NaNO2/HCl; (c)- H3PO2 /H2O
2. (a)-NaNO2/HCl; (b)- HBF4; (c)-NaNO2, Cu, \(\Delta\)
3. (a)-NaNO2/HCl;(b)- H2O; (c)-Br2/H2O
4. None of the above
1. (a)- Br2/H2O; (b)- NaNO2/HCl; (c)- H3PO2 /H2O
2. (a)-NaNO2/HCl; (b)- HBF4; (c)-NaNO2, Cu, \(\Delta\)
3. (a)-NaNO2/HCl;(b)- H2O; (c)-Br2/H2O
4. None of the above
Subtopic: Â Diazonium Salts: Preparation, Properties & Uses |
 69%
Level 2: 60%+
Hints
- 1(current)
Q. No.
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