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In the following question, a Statement of Assertion (A) is given followed by a corresponding Reason (R) just below it. Read the Statements carefully and mark the correct answer-
Assertion(A): Aqueous solution of phenol is called as carbonic acid.
Reason(R): Increasing order of acidity of phenols is m-nitrophenol>o-nitrophenol>p-nitrophenol.
  • a)
    Both Assertion and Reason are true and Reason is the correct explanation of assertion.
  • b)
    Both Assertion and Reason are true but Reason is not the correct explanation of assertion.
  • c)
    Assertion is true but Reason is false.
  • d)
    Assertion is false but Reason is true.
Correct answer is option 'D'. Can you explain this answer?
Most Upvoted Answer
In the following question, a Statement of Assertion (A) is given follo...
Liq. phenol => carbolic acid. & H2CO3=>corbonic acid. order of acidity => para > ortho > meta.nitrophenol.
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Community Answer
In the following question, a Statement of Assertion (A) is given follo...
Understanding the Assertion and Reason
The statements presented involve an assertion about phenol and its classification, along with a reasoning regarding acidity trends in nitrophenols.
Assertion (A): Aqueous solution of phenol is called as carbonic acid.
- Truth of Assertion: This statement is false. The aqueous solution of phenol is not referred to as carbonic acid. Carbonic acid is a different compound (H2CO3) formed from carbon dioxide in water.
Reason (R): Increasing order of acidity of phenols is m-nitrophenol > o-nitrophenol > p-nitrophenol.
- Truth of Reason: This statement is true. The pattern of acidity is influenced by the electron-withdrawing effects of nitro groups, which enhance the acidity of phenols. The m-nitrophenol is more acidic than o-nitrophenol, which in turn is more acidic than p-nitrophenol.
Conclusion
Based on the evaluations:
- The assertion about phenol being carbonic acid is incorrect.
- The reasoning regarding the order of acidity of nitrophenols is accurate.
Thus, the correct response is:
Assertion is false but Reason is true.
This aligns with option 'D', confirming that while the reasoning provided is valid, the assertion itself is incorrect.
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In the following question, a Statement of Assertion (A) is given followed by a corresponding Reason (R) just below it. Read the Statements carefully and mark the correct answer-Assertion(A): Aqueous solution of phenol is called as carbonic acid.Reason(R): Increasing order of acidity of phenols is m-nitrophenol>o-nitrophenol>p-nitrophenol.a)Both Assertion and Reason are true and Reason is the correct explanation of assertion.b)Both Assertion and Reason are true but Reason is not the correct explanation of assertion.c)Assertion is true but Reason is false.d)Assertion is false but Reason is true.Correct answer is option 'D'. Can you explain this answer?
Question Description
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