That's a ionic compound because it has a metal and polyatomic parts within the chemical formula.
The Texas City Refinery explosion occurred on March 23, 2005, when a hydrocarbon vapor cloud was ignited and violently exploded at the ISOM isomerization process unit at BP's Texas City refinery in Texas City, Texas, killing 15 workers, injuring 180 others and severely damaging the refinery.
Answer:
has aldehyde functional group.
Explanation:
Functional groups are specific group of atoms within molecules that are responsible for the characteristic chemical reactions of those molecules.
A.
has ketone
functional group .
B.
has carboxylic acid
functional group .
C.
has aldehyde
functional group .
D.
has ester
functional group .
Thus
has aldehyde (CHO) group.