Assertion : m-Bromo toluene can be prepared by m-toluidene
Reason : Amino group is meta directing
(a)Assertion and reason both are correct statements and reason explains the assertion.
(b)Both assertion and reason are wrong statements
(c)Assertion is correct statement and reason is wrong statement.
(d)Assertion is wrong statement and reason is correct statement.
Assertion : m-Bromo toluene can be prepared by m-toluidene
Reason : Amino group is meta directing
(a)Assertion and reason both are correct statements and reason explains the assertion.
(b)Both assertion and reason are wrong statements
(c)Assertion is correct statement and reason is wrong statement.
(d)Assertion is wrong statement and reason is correct statement.
Reason : Amino group is meta directing
(a)Assertion and reason both are correct statements and reason explains the assertion.
(b)Both assertion and reason are wrong statements
(c)Assertion is correct statement and reason is wrong statement.
(d)Assertion is wrong statement and reason is correct statement.
Text Solution
AI Generated Solution
The correct Answer is:
To solve the question, we need to analyze the assertion and the reason provided:
**Assertion:** m-Bromo toluene can be prepared by m-toluidene.
**Reason:** Amino group is meta directing.
### Step-by-Step Solution:
1. **Understanding the Assertion:**
- The assertion states that m-bromo toluene can be synthesized from m-toluidene.
- m-Toluidene (methyl-aminobenzene) has the amino group (-NH2) and a methyl group (-CH3) at the meta positions on the benzene ring.
2. **Analyzing the Reaction:**
- When we consider the electrophilic aromatic substitution reaction, the amino group is known to be an activating group that directs incoming electrophiles to the ortho and para positions relative to itself, not the meta position.
- Therefore, if we were to brominate m-toluidene, we would expect bromine to add at the ortho or para positions, not the meta position.
3. **Conclusion on the Assertion:**
- Since m-bromo toluene cannot be prepared from m-toluidene due to the directing effects of the amino group, the assertion is **incorrect**.
4. **Understanding the Reason:**
- The reason states that the amino group is meta directing.
- However, as established, the amino group is actually ortho and para directing due to its electron-donating nature.
5. **Conclusion on the Reason:**
- Since the reason is also incorrect, we conclude that both the assertion and the reason are false.
### Final Answer:
Both the assertion and the reason are wrong statements. Therefore, the correct option is:
(b) Both assertion and reason are wrong statements.
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