Hlww sir. Iam doing ial edexcel chemistry. Would you mind doing one on for diprotic acid like h2so4. Please sir its urgent. Exam is only one month away
That's not necessary. A well selected indicator will catch the precise equivalence point, but a pH curve where you've measured the pH with a probe will do the same job without an indicator
I suspect you wouldn't get something ambiguous. I think the most confusing thing that would happen is they'd say calculate the pH of a weak acid, and you'd get something 'low', and you might doubt yourself. There isn't really a pH where one changes into another (partly because pH is also temperature and concentration dependent). So, 0-1 is strong. Above that it's not definite. If you got a pH of 2 or so for a weak acid, I wouldn't be start to doubt my calculator
@@chemistrytutor Thank you so much for your reply sir. Is this the case with PH 12. PH 13-14 is strong base and rest are weak right . May I know the range sir please
@katheriner6456 again, there isn't really a range for bases either. Strong or weak is to do with how they ionise rather than a specific pH. I think in terms of strong or weak you'll either be told its strong or weak acid or base... or it'll be one you need to recognise, so NaOH or KOH is strong... NH3 is weak
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Hlww sir. Iam doing ial edexcel chemistry. Would you mind doing one on for diprotic acid like h2so4. Please sir its urgent. Exam is only one month away
I've released a few on IG
instagram.com/reel/C09Sg4wozbD/?igsh=MzRlODBiNWFlZA==
and
instagram.com/reel/C0okel2oaB2/?igsh=MzRlODBiNWFlZA==
For question 3b would you have to say to add an indicator?
That's not necessary. A well selected indicator will catch the precise equivalence point, but a pH curve where you've measured the pH with a probe will do the same job without an indicator
@@chemistrytutor Ohh i see. thank you ver much
What if the PH starts from 2 ? Is it a strong or weak acid
THANK YOU SO MUCH FOR THIS GREAT VIDEO ❤
I suspect you wouldn't get something ambiguous. I think the most confusing thing that would happen is they'd say calculate the pH of a weak acid, and you'd get something 'low', and you might doubt yourself. There isn't really a pH where one changes into another (partly because pH is also temperature and concentration dependent).
So, 0-1 is strong. Above that it's not definite. If you got a pH of 2 or so for a weak acid, I wouldn't be start to doubt my calculator
@@chemistrytutor Thank you so much for your reply sir. Is this the case with PH 12. PH 13-14 is strong base and rest are weak right . May I know the range sir please
@katheriner6456 again, there isn't really a range for bases either. Strong or weak is to do with how they ionise rather than a specific pH. I think in terms of strong or weak you'll either be told its strong or weak acid or base... or it'll be one you need to recognise, so NaOH or KOH is strong... NH3 is weak