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NEET UG CHEMISTRY MCQ: ORGANIC CHEMISTRY-SOME BASIC PRINCIPLES AND TECHNIQUES
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An indicator ‘’ is used for studying the effect of variation in concentration of iodide on the rate of reaction of iodide ion with at room temp. The indicator ‘’ forms blue colored complex with
compound ‘’ present in the solution. The indicator ‘’ and compound ‘’ respectively are
compound ‘’ present in the solution. The indicator ‘’ and compound ‘’ respectively are
View answer and explanation
Correct option: B
Starch and iodine
The correct answer is Starch and iodine because starch forms a blue-colored complex with iodine in solution, which is used as an indicator in redox titrations.
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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 :