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NEET UG CHEMISTRY MCQ: ORGANIC CHEMISTRY-SOME BASIC PRINCIPLES AND TECHNIQUES
1
Medium
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Analyzing
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Assertion: Pyridine is more basic than Pyrrole.
Reason: In Pyrrole, nitrogen has hybridisation
and the lone pair of nitrogen is not available for
donation.
Reason: In Pyrrole, nitrogen has hybridisation
and the lone pair of nitrogen is not available for
donation.
View answer and explanation
Correct option: A
If both Assertion and Reason are correct and
Reason is the correct explanation of
Assertion
Reason is the correct explanation of
Assertion
Option A is correct because Pyridine is indeed more basic than Pyrrole, and the reason provided correctly explains why: the lone pair in Pyrrole is involved in aromaticity and thus less available for donation.
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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 :