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For the reaction below if the concentration of KCN is increased four times, the rate of the reaction will be:
- a)Doubled
- b)Increased four times
- c)Unaffected
- d)Halved
Correct answer is option 'C'. Can you explain this answer?
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Verified Answer
For the reaction below if the concentration of KCN is increased four t...
This is an SN1 reaction, so, rate of the reaction only depends on substrate, it doesn't depend on nucleophile. Hence change in concentration of the nucleophile won't affect the rate.
C is correct.
Most Upvoted Answer
For the reaction below if the concentration of KCN is increased four t...
Basically during the course of the reaction a stable carbocation will be formed and hence the reaction will follow the sn1 pathway that is the unimolecular pathway where the rate of the reaction will depend upon the 1st step which is the red. So the reaction kinetics will be r=k(carbocation) is equivalent to k=r(substrate).So since there is no term of concentration of nuclophile in the rate equation therefore the rate is unaffected by concentration of nucleophile.
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Community Answer
For the reaction below if the concentration of KCN is increased four t...
This is an SN1 reaction, so, rate of the reaction only depends on substrate, it doesn't depend on nucleophile. Hence change in concentration of the nucleophile won't affect the rate.
C is correct.
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For the reaction below if the concentration of KCN is increased four times, the rate of the reaction will be:a)Doubledb)Increased four timesc)Unaffectedd)HalvedCorrect answer is option 'C'. Can you explain this answer?
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