\[HCOOH\xrightarrow[\Delta ]{Ca{{(OH)}_{2}}}\,\,[A]\,\,\xrightarrow{50\,%\,\,KOH}\,[B]\,\,+\,\,\underset{(salt)}{\mathop{[C]}}\,\] Which is correct about this reaction:
A)[A] is formaldehyde
B)[B] is methyl alcohol
C)[C] by reaction with ethyl chloride gives ethyl formate