HSC Science (Computer Science) 12th Board ExamMaharashtra State Board
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Distinguish Between SN1 and SN2 Mechanisms - HSC Science (Computer Science) 12th Board Exam - Chemistry

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Question

Distinguish between SN1 and SN2 mechanisms.

Solution

No Factor SN2 SN1
i Kinetics 2nd order 1st order
ii Molecularity Bimolecular Unimolecular
iii Number of steps One step Two step
iv Bond making and bond
breaking
Simultaneous First the bond in the reactant breaks
and then a new bond in product is
formed
v Transition state One step, one transition state Two steps, two transition state
vi Direction of attack of
nucleophile
Only back side attack Back side attack and front side attack
vii Nucleophile Strong Nucleophile favourable Weak Nucleophile favourable
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APPEARS IN

 2013-2014 (March) (with solutions)
Question 7.6 | 2.00 marks

Video TutorialsVIEW ALL [1]

Solution Distinguish Between SN1 and SN2 Mechanisms Concept: Factors Influencing Rate of a Reaction.
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