IDIOM : ability to Vs. ability for

[Pdgmat2010]

ok, am aware that 'ability to' is correct. but is 'ability for' strictly wrong and can an answer on the test be eliminated simply if there is a mistake only in the idiom?

Cheers,

[akhpad]

I believe so but expert can give broader knowledge.
Able to; ability to: - Tom is able to play the guitar with his toes.

I didn't see "FOR".
https://idioms.thefreedictionary.com/able