Consider the following molecule. The functional group(s) present in the molecule above are: aldehyde and etherTrue/False
A
True
B
False

Question

Consider the following molecule. The functional group(s) present in the molecule above are: aldehyde and ether

BlackTom AI · Accepted Answer

The molecule contains a hydroxyl (–OH) group, not an ether, and there is no carbonyl (C=O) group present so it cannot be an aldehyde.

1) Relevant knowledge points and definitions:
- Aldehyde: functional group R–CHO, requires a carbonyl (C=O) bonded to at least one hydrogen (terminal carbonyl).
- Ether: R–O–R, an oxygen atom bonded to two carbon atoms.
- Alcohol (hydroxyl): R–OH, an oxygen bonded to one carbon and one hydrogen.

2) Step-by-step reasoning:
- Inspect the drawn fragment showing an –OH group attached to a carbon. The oxygen in that –OH is bonded to one carbon and one hydrogen (the "H" is explicitly shown on the OH), which is the defining connectivity of an alcohol, not an ether.
- Look for any C=O double bond anywhere in the structure. The diagram shows only single bonds (C–C and C–H) and a single O–H bond; there is no double-bonded oxygen to a carbon. Therefore there is no aldehyde (or ketone) functional group present.
- To be an ether, the oxygen would have to be placed between two carbon atoms (C–O–C). Here the oxygen has one bond to hydrogen, so it is R–OH rather than R–O–R.

3) Intermediate checks:
- Oxygen connectivity: O is attached to H and one C → alcohol.
- Carbonyl presence: none → aldehyde absent.
- Ether connectivity: missing (oxygen not bonded to two carbons) → ether absent.

4) Why the correct answer is correct:
Because the structure contains a hydroxyl (alcohol) group and lacks any C=O or R–O–R connectivity, the statement "aldehyde and ether" is incorrect.

5) Why the other option (True) is incorrect:
Marking True would claim the presence of both an aldehyde and an ether; neither functional group is actually present.

Conclusion: The correct choice is False, which matches the provided answer.

Consider the following molecule. The functional group(s) present in the molecule above are: aldehyde and etherTrue/False

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