Rearrangements are most likely to occur in reaction which involves: (a) carbocat

Question

Rearrangements are most likely to occur in reaction which involves: (a) carbocations (b) radicals (c) catalysis (d) racemization Which of the following groups is a strong deactivating group? A) -OH B) -CH_2CH C) F D) -CF_3 E) -NHCH_3 3) Comparing the S_N1 and E1 reactions, which of the following is false? (a) They have same RDS (b) E1 is made more favorable by reducing the reaction temperature (c) The transition states from the cation to the final products are both "early" (d) They are most favorable in polar, protic solvents 4) Which of the following factors will NOT promote an E1 reaction? (a) a polar, protic solvent (b) a 3 degree substrate (c) a strong base (d) a good leaving group

Explanation / Answer

1) Rearrangements most likely to occur in reaction which involves carbocations.

2) -CF3 is a strong deactivating group.

3) b) is false

4) c) is a correct as strong bulky base is needed.

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