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NEET UG CHEMISTRY MCQ: ORGANIC CHEMISTRY-SOME BASIC PRINCIPLES AND TECHNIQUES
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Which of the organic compounds will give red colour in Lassaigne test?
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Correct option: B
Option A () is correct because in the Lassaigne's test, if both nitrogen and sulfur are present, they combine to form NaCNS, which reacts with to form a blood-red color.
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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 :