When comparing hether KI is more conductive or HF is more conductive, KI is considered more...

When comparing hether KI is more conductive or HF is more conductive, KI is considered more conductive. How do you know HF is a weak electrolyte in this case? How do you know it is a weak acid? Are you able to just look at HF to know it's a weak acid?

Expert Solution

KI is more conductive as compared to KF .

This is because a strong electrolyte has more conductivity as compared to weak electrolyte.

And electrolyte is strong or weak on the basis of its dissociation into ions in the solution.

So while comparing dissociation, we see KF in which there is 2p 2p overlap between K and F , there is strong overlapping (also K+ and F-) both are small un size therfore bond between them is very strong and difficult to break. So it is weak electrolyte.

On the other hand , iodine has 5p orbital to overall with potassium . There is large difference between their sizes and hence the bond is already weak and hence easy to break kr dissociate into solution .

Therefore it has high conductivity.

Similarly the case is with HF and HI

HI is strong acid beacuse of weak bond between H and I therefore it is easy for it to lose H+ ion .

queen_honey_blossom answered 2 years ago

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