Organic Compounds with Oxygen-Phenols [NEET (2024 Updated)-National Eligibility cum Entrance Test (Medical) Chemistry]: Questions 1 - 5 of 33
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Question 1
Question 2
Question Assertion-Reason▾
Assertion(Ꭺ)
Phenol cannot be converted into ester by direct reaction with carboxylic acid
Reason(Ꭱ)
Electron withdrawing groups increase the acidity of phenols
Choices
Choice (4) | Response | |
---|---|---|
a. | Ꭺ is true but Ꭱ is false | |
b. | Both Ꭺ and Ꭱ are false | |
c. | Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ | |
d. | Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ |
Question 3
Question MCQ▾
Because of resonance the oxygen atom of group of phenol
Choices
Choice (4) | Response | |
---|---|---|
a. | Acquires positive charge | |
b. | Liberates | |
c. | Acquires negative charge | |
d. | Remains un effected |
Question 4
Question MCQ▾
Phenol is
Choices
Choice (4) | Response | |
---|---|---|
a. | A weaker base than NH3 | |
b. | Weaker acid than carbonic acid | |
c. | Stronger acid than carbonic acid | |
d. | A neutral compound |
Question 5
Question MCQ▾
In the above reaction.
(1) A is
(2) B is nitrobenzene
(3) C is Nitroso benzene and phenyl hydroxyl amine
(4) A is toluene and B is nitrobenzene
Choices
Choice (4) | Response | |
---|---|---|
a. | 1,2 and 3 are correct | |
b. | 2 and 4 are correct | |
c. | 1 and 3 are correct | |
d. | 1 and 2 are correct |