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NEET UG CHEMISTRY MCQ: ORGANIC CHEMISTRY-SOME BASIC PRINCIPLES AND TECHNIQUES
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Assertion (A): Carboxylic acid is more acidic than carbolic acid.
Reason (R): Conjugate base of carboxylic acid is more stable than conjugate base of carbolic acid.
Reason (R): Conjugate base of carboxylic acid is more stable than conjugate base of carbolic acid.
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Correct option: A
Both (A) & (R) are true and the (R) is the correct explanation of the (A)
Option A is correct because carboxylic acids are indeed more acidic than carbolic acids (phenols), and this is due to the greater stability of the carboxylate anion compared to the phenoxide ion.
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The number of different substitution products possible when ethane is allowed to react with bromine is sunlight are :
Correct order of stability is
Assertion (A) A mixture of o-nitrophenol and p-nitrophenol can be separated by steam distillation.
Reason (R) -nitrophenol is steam volatile whereas onitrophenol is not steam volatile. An organic compound having carbon, hydrogen and sulphur contains 4% of sulphur. The minimum molecular weight of the compound is Increasing order of acid strength is
a) Phenol b) 3-Nitrophenol
c) 3,5-dinitro phenol 4) 2,4,6-trinitro phenol Isobutyl chloride is :
Reason (R) -nitrophenol is steam volatile whereas onitrophenol is not steam volatile. An organic compound having carbon, hydrogen and sulphur contains 4% of sulphur. The minimum molecular weight of the compound is Increasing order of acid strength is
a) Phenol b) 3-Nitrophenol
c) 3,5-dinitro phenol 4) 2,4,6-trinitro phenol Isobutyl chloride is :