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NEET UG CHEMISTRY MCQ: ORGANIC CHEMISTRY-SOME BASIC PRINCIPLES AND TECHNIQUES

1 Hard

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Analyzing +4 | -1

Correct order of acidity is as follows

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Correct option: D

{C_2}{H_2} < {H_2}O < {\text{Phenol}} < {H_2}C{O_3}

Option D (

{C_2}{H_2} < {H_2}O < {\text{Phenol}} < {H_2}C{O_3}

) is correct because the acidity order is based on the stability of the conjugate base and the strength of the acid.

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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)

p

-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

\quad \quad

b) 3-Nitrophenol

c) 3,5-dinitro phenol

\quad

4) 2,4,6-trinitro phenol Isobutyl chloride is :