Exam 4

Question 1

Is ethanol protic or aprotic solvent?

Answer 1

protic

Question 2

Is MTBE protic or aprotic solvent?

Answer 2

aprotic

Question 3

Is DMSO protic or aprotic solvent?

Answer 3

aprotic

Question 4

Is DMF protic or aprotic solvent?

Answer 4

aprotic

Question 5

Is acetone protic or aprotic solvent?

Answer 5

aprotic

Question 6

What solvent does an Sn1 reaction prefer?

Answer 6

polar PROTIC solvents

Question 7

What solvent does an Sn2 reaction prefer?

Answer 7

polar APROTIC solvents

Question 8

What reaction will a 1° alkyl halide undergo?

Answer 8

SN2

Question 9

What reaction will a 2° alkyl halide undergo?

Answer 9

SN2 or SN1, depending on the strength of the nucleophile

Question 10

In a 2° alkyl halide with a strong nucleophile (strong base with nucleophiles bonded to Na or K - ) and a polar aprotic solvent, what reaction will it undergo?

Answer 10

SN2 reaction

Question 11

In a 2° alkyl halide with a WEAK nucleophile (a nucleophile bonded to H – neutral) with a polar protic solvent, what reaction will it undergo?

Answer 11

SN1 reaction

Question 12

What reaction will a 3° alkyl halide undergo?

Answer 12

SN1 (very fast)

Question 13

What reaction will a methyl halide undergo?

Answer 13

SN2 (very fast)