Which structure diagram completes the table of physical structures of the main functional groups? A 6 column table with 1 row. Column 1 is labeled Alchol with entry a molecule R single bonded to O H. Column 2 is labeled Ether with entry a molecule R single bonded to O single bonded to R prime. Column 3 is labeled Ketone with entry blank. Column 4 is labeled Aldehyde with entry Molecule H single bonded to C, which is double bonded to O and single bonded to R. Column 5 is labeled Carboxylic Acid with entry molecule O H single bonded to C, which is double bonded to O and single bonded to R. Column 5 is labeled Ester with entry molecule R prime single bonded to O single bonded to C, which is double bonded to O and single bonded to R. A molecule H single bonded to C, which is double bonded to O and single bonded to R. A molecule R prime single bonded to C, which is double bonded to O and single bonded to R. A molecule O single bonded to C, which is double bonded to R prime and single bonded to R. A molecule R prime single bonded to C, which is single bonded to O and single bonded to R.