Acid Base Strength - Which Is Stronger?

[@TheOrganicChemistryTutor]

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i love how calmly you explain everything, it all makes so much logical sense thank you so much :)

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[@georgesadler7830]

Professor Organic Chemistry Tutor, thank you for an amazing video/lecture on Acid Base strength in AP/General Chemistry. The practice problems tell us that the strength of an acid/base depends on the larger ka and kb values. According to the video, as the strength increases, the ka and kb values increases. As the pka values increases, the strength decreases. As the pka values decreases, the strength increases. Strong and weak acids are important industrial chemicals on planet earth. This is an error free video/lecture on KZbin TV with the Organic Chemistry Tutor.

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[@staceyodonnell4444]

Thank you so much! Excellent video, you are a great teacher, you made a difficult concept very easy to understand!

[@colinhartigan8045]

thanks so much, helped me right before my chem 104 exam

[@abhinavdhama7193]

What if Ka is not given?!!!!

[@rickf6375]

There are certain trends for H-X acids with X being a very electronegative element, as well as H-O-X acids and H-(n)*O-X acids you just gotta memorize

[@alexp2019]

Rick F lol, that’s not chemistry, it should compare stability and electronegativity

[@yourboy9236]

@@alexp2019 yeah that's what he's talking about in terms of trends

[@princesspat5239]

well, u remember the strong acids and the strong bases, then you know also bases and acids that have zero strength. The rest are weak acids, or base and to find out which one is a base or an acid: see which one gives protons and receive protons.

[@갱갱항상]

he goes over it in the video--

[@declancampbell848]

this video is condensed extremely well. thank you!!!

[@itzzmai]

The fact that French is a my first language but I understand better in English 💀 you literally the goat tyyysm

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I actually didn't realize when it had just ended.....very nice video... I totally lost in it 😲😰😰

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When you accidentally enjoy science haha

[@manuelsalguero1263]

Jesus Christ, the way you explain is perfect, thank you for the videos

[@spiderjuice9874]

I managed to get the first 8 questions correct. 8:01 True for *inorganic* acids; organic derivatives of these acids can also be strong, such as methanesulphonic acid.

[@skdkcidiwsixi]

1:50: important detail about oxy acids is that you need to look at the unprotonized O-Atoms in the molecule, so the actual number to estimate the Ka value is [number of O-Atoms in the molecule] - [number of H-Atoms in the molecule] also you can roughly calculate the Ka value just by that number. just multiply the number of unprotonized O-atoms by 5 and subtract it from 8.

[@yeabsirayeshane3002]

u are really good at explaining things easily please keep it up

[@abhishree5861]

Heyy this is a great video! Although I have a question. What if we aren't given a Ka value for the first question. Is there a way to identify which acid is stronger?

[@cassidaymoriarity]

I really was googling this as well.

[@cassidaymoriarity]

kzbin.info/www/bejne/rJCcZYGpqqeqeq8 this helped me if anyone is still looking for a similar answer

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[@Barakon]

I was once confused because of absolute values, when here, the bigger the negative the smaller the number.

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this was AMAZING! Thank you so much

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i wish you explained more, thank you though

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Very helpful .Thank you so much .

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Thank you very much i really know now how i can Distinguish

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[@feruzanasir7846]

Thank you

[@anesu6391]

Thank you so much

[@gunjonnazib2180]

which is weak? HMnO4 or HNO3 And please give me the explanation. Thank You😊

[@luisdominguez4703]

HNO3

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Perfect

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[@ruvizn]

Ty

[@xelence420]

What about ranking these: water, nitrate, acetate (in ascending base strength)?

[@gul_e_aziz5718]

How we find Ka and Kb values??

[@nikalobjanidze5302]

which acid is stronger sulfuric acid or Nitric acid

[@ariadnediane9748]

What if I have to rate from strongest to weakest, but I have HCl, H2SO4, HBr, HNO3, CH3COOH? How do the trends work if I have both acid with and without O

[@janice9692]

You rock

[@nataliakesto3734]

for HIO and HBrO wouldnt the stronger acid still be HIO because the hydrogen is technically attached to the I not the oxygen??

[@Rowed]

I thought the same thing. Contradicted himself.

[@JackSparrow-ld6rz]

For number 7 at 9:10 are HS- and NO2- the conjugate bases?

[@donking8076]

Yep!

[@EliYahu24]

8:57 what if there's no ka or kb

[@azazshaikh6986]

Sbf5

[@khushbujha4957]

Why Hf is the weakest acid ??

[@lisaa23581]

Because it's the toppest on a group so it's size will be small as compared to HCl, HBr, HI. It will be strongly bond to the hydrogen atom and thus it will not loose it's H+ easily which makes it a weak acid. Those below the group have weak overlaps because of large size of the X atom so they'll loose their H+ easily making them a strong acid.

[@jd123-]

If I had million dollars I would give them to you .

[@shiranyannai9010]

What about H2SO4 and HNO3?

[@todspeerii7498]

How do you know the Kb value??

[@abdidebela817]

What if ka is not given

[@kumudag5047]

R u here for your competitive exam?

[@niladritachakraborty5273]

What is the reason behind 6th question? Becoz I know HF is stronger than HCl due to it's high electronegativity

[@BledWh1te]

It's actually the opposite. HCl is one of the strong acids, HF isn't. The high electronegativity of fluoride holds on to the hydrogen more strongly, so that proton is less likely to dissociate -> its a weaker acid

[@nkchamplin]

I agree with BledWh1te. The strength of the acid could also be determined qualitatively by considering the relative stability of their respective conjugate bases. Using this perspective, HCl would be considered a stronger acid because Cl- would be more stable than F-. In this case, the larger the atom the more volume available to disperse the negative charge. This trend continues down the same period. F- < Cl- < Br- < I-. Hope this helps!

[@dimkacracker]

Cl is bigger than F so the bond between Cl-H is longer than the bond between F-H, and we know the longer the bond the weaker the bond so Cl lets go of it's Hydrogen much easier, and acidity is how readily an atom gives up its proton.

[@lightning8675]

Higher electronegativity only wins when going across a row (moving left to right). But when in the same column/group, electronegativity doesn't win, atomic size does. So going down a group/column means greater acidity despite electronegativity becoming smaller. Reason: bigger atom=more surface area=spreads out negative charge better=more stable=more okay with letting go of that hydrogen.

[@rebeccag8697]

strengff

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[@SamaaAlaa7]

HF is a weak acid lol.

[@alokkumarmahananda4015]

HF is stronger than HCl

[@simppuful]

If the weaker living are destroyed and vanished, what good and bad values go vanish with them. If we have the forced will to destroy the weak, we find a good reason. We had less emotional intelligence. Or i couldnt stand her dumb mind. Did she have got any strong values. She was dumb. In a good way. She saw equality in all living. She was good, best, bad and worst in the same person. She saw herself in all living. She was a weaker person. She was a living in this world, where all living are the same.

[@alonlavie9240]

Doesn't explain anything, just memorizing information... sad

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There's not much to explain. This is a really easy concept. Be glad he's even making a video about it.

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Thank you