Which of the following is true for reactions A, B, and C: CH_3CH_2CH_3 plus Br B

Question

Which of the following is true for reactions A, B, and C: CH_3CH_2CH_3 plus Br Bullet rightarrow CH_3C H_2C H_2 Bullet + HBr CH_3C H_2C H_3 plus Br Bullet rightarrow CH_3CH Bullet CH_3 plus HBr CH_3C H_2C H_2 plus Cl Bullet rightarrow CH_3CH Bullet CH_3 plus HCl reaction A has the lowest activation energy reaction B is the fastest reaction reaction C proceeds with the lowest activation energy reaction C is the slowest reaction Which of the following statements is false the rates of S_N 1 reactions are strongly dependent on solvent polarity a substitution reaction that is both first order in the haloalkane and also first order in the nucleophile is an S_N 2 reaction S_N 2 and E2 reaction mechanisms are subject to carbocation rearrangements diluting a haloalkane reduces its rate of reaction both in S_N 1 and S_N 2 reactions. Rank each of the following sets of chemicals, either in reactivity towards the reactant(s) on the left or toward the characteristic specified (1 being most or highest in each case, etc.)

Explanation / Answer

8) (C)
Chlorine radicals are more reactive than Bromine radicals. Also, 2 degree alkyl radical is more stable than 1 degree alkyl radical.

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