# Problem: For each of the following, provide a structural formula. Any correct form of a structural formula is acceptable. Be sure to identify stereoisomers properly when necessary. (a) meta-nitrobenzylmagnesium bromide (b) tetrabromoferrate ion {also known as tetrachloro[iron(III)] ion} (c) lithium diphenylcuprate (d) an aromatic cation that consists of only Cs and Hs and has 6π electrons

###### Problem Details

For each of the following, provide a structural formula. Any correct form of a structural formula is acceptable. Be sure to identify stereoisomers properly when necessary.

(a) meta-nitrobenzylmagnesium bromide

(b) tetrabromoferrate ion {also known as tetrachloro[iron(III)] ion}

(c) lithium diphenylcuprate

(d) an aromatic cation that consists of only Cs and Hs and has 6π electrons