Which of the following types of reactions proceed through a carbocation intermed

Question

Which of the following types of reactions proceed through a carbocation intermediate? (Circle one) S_N1 S_M2 Neither Both Which of the following types of reactions proceed via a concerted process? (Circle one) S_N1 S_N2 Neither Both Which of the following types of reactions could result in stereo-inversion? (Circle one) S_N 1 S_N 2 Neither Both Which of the following are good leaving groups? (Circle all that apply) Weak bases Weak acids OH^- H_2O Br I^- F^- H^- CH_2^- HSO_4^- Which of the following are good nucleophiles? (Circle all that apply) KOH NaNH_2 NaCN H_2O H_2S Nal KOtBu Which of the following reaction conditions will increase the ratio of substitution to elimination products in a reaction of a halogenoalkane? (Circle all that apply) Primary halogenoalkane Tertiary halogenoalkane Aqueous solution High heat Low heat

Explanation / Answer

1)
SN1 reaction proceed via carbocation process
SN1 reaction takes place in 1 step
Answer: SN1

2)
A concerted reaction is a chemical reaction in which all bond breaking and bond making occurs in a single step. SN2 reaction takes place in only 1 step
Answer: SN2

3)
Inversion takes place in SN2 reaction
In SN1 reaction, racemix mixture is formed
Answer: SN2

I am allowed to answer only 1 question at a time

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