An unfair question?

[Humble]

Hi,
I’m looking for an adjective to modify such words as question, comparison when they contain some logic(al?) fallacy, for example one is supposed to give only 1 answer:
1. Which is better a) tea b) coffee
2. Find the verb (not verbs) in the sentence: I should have known better.
Sometimes this kind of questions - referring to any sphere- are deliberately used as a demagogical trick in some debates in order to entice the adversary into a wrong path and disorientate them.
Could it be an ill-posed question/ comparison?
Tnx

[Mariner]

deceitful?
delusive?
fallacious?
misleading?
divertive?

Probably I would go for misleading...

[rewboss]

A trick question?

[Humble]

Tnx, Mariner,
I think there's probably only one which forms a set collocation with question or comparison. In Russian it sounds like an incorrect question/comparison, but I'm afraid of calques.
Cheers

[Humble]

Hi,
Anybody else, please?
Tnx

[Philly]

.
I think the suggestion from Rewboss (trick question) sounds good.
.
You could also say a loaded question. This expression can be used when there's some kind of explosive, hidden agenda or emotionally charged issue involved, so it doesn't really fit your examples very well.
.
Both are common collocations, however.

[BobK]

There's also a leading question. This was originally applied to a question that led a witness in a court case to suggest something that the barrister [lawyer/counsel/advocate - depending on where you come from] wanted them to say, but it is quite frequently used now to refer to a question that invites an incriminating answer: "When did you stop beating your wife?"

b

[Humble]

Thanks, Philly and Bob,
I do appreciate these pieces of info, still the elusive word escapes. Irrelevant? No. I know it's often used in scientific or other debates. I will think of other contexts to let you get what I mean.