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Yes, but you can only penalise it if you caution as that is what you are stopping the game for.
the only basis for stopping play at all would be to caution. The caution would be for unsporting behavior. So you have to judge the game and the conduct to decide if it deserves the caution (and the IFK that comes with it),
That used to be the case a few years ago but the law now includes "verbal offences" as an indirect free kick offence. So technically the IFK is not for the default restart after a caution, but for the offence itself.
However the offence attracts both an IFK and a caution. Which means the point of caution and IFK going hand in hand still stands (if it does not attract a caution then it is not an offence so no IFK either).
Agree and disagree. While that was part of the reason it wasn't all of it. Can I say I think you are under-reading it?I think you're over-reading that, but again, gotta love how IFAB drafts. This language was added to clarify the language about DFKs for misconduct, as the original DFK language lead some to think that dissent would result in a DFK. In any event, the reason for stopping play is the USB behavior and the caution. There is no separate verbal offense that can result in just an IFK. So it's all about semantics, and IFAB makes that messier and messier each year.

Agree and disagree. While that was part of the reason it wasn't all of it. Can I say I think you are under-reading it?
The complete phrase: "is guilty of dissent, using offensive, insulting or abusive language and/or gestures or other verbal offences"
There would be no reason to add "or other verbal offence" if the reason you stated was the only one. So for me you (now) stop play because there was an IFK offence which is also a cautionable one.
As an analogy, if there is a reckless trip, the reason to stop play is not the USB, it's the trip offence which in this instance is also a cautionable one.
Agree and disagree. While that was part of the reason it wasn't all of it. Can I say I think you are under-reading it?
The complete phrase: "is guilty of dissent, using offensive, insulting or abusive language and/or gestures or other verbal offences"
There would be no reason to add "or other verbal offence" if the reason you stated was the only one. So for me you (now) stop play because there was an IFK offence which is also a cautionable one.
As an analogy, if there is a reckless trip, the reason to stop play is not the USB, it's the trip offence which in this instance is also a cautionable one.
Just to mention that the actual offence here, as no-one has actually named it and the discussion has gone off at a bit of a tangent since, is nothing to do with impediment, which is not an offence (did you mean impeding?) but rather, is the offence specified in the law, where a player:Hi,
I was wondering if screaming at another player when challenging for the ball to gain an advantage is an indirect free kick for impediment?
verbally distracts an opponent during play or at a restart