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NEET UG CHEMISTRY MCQ: ORGANIC CHEMISTRY-SOME BASIC PRINCIPLES AND TECHNIQUES
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In the estimation of nitrogen by Duma’s method 0.59 g of an organic compound gave 112 mL nitrogen at NTP. The percentage of nitrogen in the compound is about:
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Correct option: A
Option A () is correct because the percentage of nitrogen is calculated using the formula: % Nitrogen = (Volume of N2 at NTP / 22400) * (2 * 14 / Mass of organic compound) * 100.
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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 :