Feric or Ferric: How To spell?
The word Feric is misspelled against Ferric, an adjective meaning "Pertaining to, derived from, or containing iron. Specifically (Chem.), denoting those compounds in which iron has a higher valence than in the ferrous compounds; as, ferric oxide; ferric acid."
Ferric has double "rr" is mispronounced as "r"Remember double 'RR' in between the strings fe & ic which should not be misspelled with single 'R'
Wrong Spelling:  fe-r-ic  Correct Spelling:  fe-rr-ic 
Find more wrongly spelled words of Ferric to spell it well.