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NEET UG CHEMISTRY MCQ: ORGANIC CHEMISTRY-SOME BASIC PRINCIPLES AND TECHNIQUES
1
Hard
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Analyzing
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Increasing order of acid strength is
a) Phenol b) 3-Nitrophenol
c) 3,5-dinitro phenol 4) 2,4,6-trinitro phenol
a) Phenol b) 3-Nitrophenol
c) 3,5-dinitro phenol 4) 2,4,6-trinitro phenol
View answer and explanation
Correct option: C
a < b < c < d
Option C (a < b < c < d) is correct because the acidity increases with the number of electron-withdrawing nitro groups attached to the phenol ring, which stabilize 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 Isobutyl chloride is : A neutral divalent carbon intermediate produced by the removal of two attached atoms is called :
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 Isobutyl chloride is : A neutral divalent carbon intermediate produced by the removal of two attached atoms is called :