Draw the structures of the following derivatives

cbse
carboxylicacids

#1

Draw the structures of the following derivatives,
(i) 2,4-dinitrophenylhydrazone of benzaldehyde
(ii) Cyclopropanone oxime
(iii) Acetaldehyde dimethylacetal
(iv) Semicarbazone of cyclobutanone
(v) Ethylene ketal of hexan-3-one
(vi) Methyl hemiacetal of formaldehyde


#2