Determine which compound from each of the following pairs will form a cyclic ether more rapidly when deprotonated.

• A. a. Compound (ii)
  b. Compound (ii)
• B. a. Compound (i)
  b. Compound (ii)
• C. a. Compound (i)
  b. Compound (i)
• D. a. Compound (ii)
  b. Compound (i)

Answer: (B)