Which is more acidic, HF or HI? Explain

Q: Which of the following is most basic? A. O A solution with [H,O*] = 1.0 x 1010 %3D B. O A solution…

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Q: Which is a stronger acid, H2O or H2S?

A: According to Arrhenius theory an acid is the substance which gives H+ ions when dissolved in water.…

Q: Calculate the pH of a 0.30M solution of sodium acetate (NaCH3COOo) given that the Ka of acetic acid…

A: Formula for calculating pH of as solution of a salt made from a weak acid and a strong base: pH = 7…

Q: Calculate the concentration of phosphate in the water sample expressed in mg L1.

A: Concentration of Phosphate standard solution = 102.2 mg/L Volume of each standard solution = 100 mL…

Q: What is the pH of the solution prepared by allowing 1.55 g of Na2O to react with 500.0 mL of water?…

A: Reaction: Na2O + H2O→ 2NaOH  1mole Na2O reacts with 1 mole H2O to give 2 moles of NaOH

Q: Rank the following hydroxides in order of increasing aqueous basicity: Al(OH)3, B(OH)3, In(OH)3.

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Q: Calculate the pKa of hypochlorous acid. The pH of a 0.015 M  solution of hypochlorous acid has a pH…

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Q: which is the MOST acidic hydrogen? II I III IV

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Q: Which of the following is an acidic salt? O NaBr O KNO3 HI O NH4CI O NACIO

A: Acidic salt : strong acid and weak base combination.

Q: Al, Al2O3 en Al(OH)3 is amphoteric. A) Explain what the statement means? B)Give reaction equations…

A: Amphoteric substances are those substances which reacts with both acid and base due to having…

Q: Relative Acid Strength 2.51 Rank the following compounds in order of increasing acidity он NH2 HO,…

A: Since you have posted multiple independent questions in the same request, we will solve the first…

Q: Which of the following is an acidic salt? O a. Na2SO4 O b. NaCI С. КС O d. NH4CI O e. CH3COONa

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Q: What is valence-state electronegativity? Explain the changein acidity of the oxides of Mn with…

A: The tendency of an atom to attract the pair of electrons which are bonded and its measurement is…

Q: What is the pH of a 0.22M NaH2PO4 solution?

A: NaH2PO4 is a weak.Ka for NaH2PO4 is 6.23×10-8.Calculate concentration of H3O+:

Q: Which of the following compounds is most acidic? NH3 OH NH2 HO, I II III IV O v O IV III II I

A: Option (A) will be correct choice.

Q: Which of the following is expected to be most acidic? ОН NO2 ОН A) B) NO2 C) OH D) ОН ČH3 O A В C

A: In this question we have to tell that which acid is most acidic.

Q: What is the pH of a 0.193 M w. acid HA solution? Ka = 6.61 x 10−6?

A: The acid is weak so it weakly dissociates in the solution. That is it gives an H+ ions slowly in to…

Q: Conc. HNO, H3C. NH КОН NH

A: With HNO3,oxidation takes place and then hydrolysis with KOH.

Q: which of the following would be a the reaction of Ca o plus NaF

A: When calcium oxide reacts with sodium fluoride gives calcium fluoride and disodium oxide.

Q: Which of the following is the structure of oxalic acid? HO, но. OH HO. HO. II II IV

A: First is acetic acid and fourth is succinic acid.

Q: NH3 is a v base than NCI3. This is due to the difference in the electron withdrawing strength of Cl…

A: Compounds can be classified into bases or acids. Base can abstract the protons. They are usually…

Q: The pH of 0.075 M NH3 solution (Kb for NH3 = 1.75 x 10-5) %3D O 4.94 O 2.09 11.05 O 12.03 8.02

A: The question is based on the concept of chemical equilibrium. we have to calculate pH of the…

Q: Which of the following is strongest acid HA (pka = 1) HB (pka = 2) HD (pa = 3) НЕ (pка — 4)

A: Pka of acid is given by the negative logarithm of Ka i.e pKa = -log Ka where Ka is the acid…

Q: Calculate the pH of a 3.97×10³ M solution of NaF, given that the Ka of HF = 6.80 x 10-4 at 25°C.

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Q: Is potassium acetate, KC2H3O2, an acidic or basic salt and why?

A: Potassium acetate:

Q: %. What is the pH of 0.0015 M solution of nitric acid? a. 1.41 c. 5.65 b. 2.82 d. IL.18

A: To calculate the pH of 0.0015 M solution of nitric acid.

Q: MCQ 9: Oxides of group IV behave : A. acid B. base C. amphoteric D. alkalis

A: When elements of group IV react with oxygen, they give different oxides , which may be acidic ,…

Q: Which of the hydrogen atoms is most acidic?

A: Acidity checking for a comound : When hydrogren leave from a compound the negative ion  is…

Q: Question 1 In terms of acid strength, which of the following does not belong with the others? HC104…

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Q: What is the pH of a 0.600 M solution of Na2S?

A: In this question, we want to determine the pH of the salt solution ( Na2S ) How we can calculate,…

Q: Which one of the following is more acidic? CO2H CO,H а) b) NO2 ОН NH2 c) d) i. b

A: Acidity is defined as the ability of a molecule to release protons.  if a compound  easily donate…

Q: What is the pH of a solution that is 0.03M in picric acid and 0.1M in sodium picrate. pka=0.38 O a.…

A: The solution is mixed by adding picric acid to sodium picrate. Sodium picrate is made by adding…

Q: Explain the apparent paradox. HBr is a stronger acid than HCl, but HOCl is a stronger acid than…

A: The dissociation reaction of HCl is,

Q: Which of the following statements explain why HBr is a stronger acid than HF? 17

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Q: Is Mg(OH)2 a acid, base, or neither?

A: According to the Arrhenius concept of acids and bases :-  Acids donate H+ ions in water and bases…

Q: Indicate the type of oxide (acidic, basic or amphoteric) that best describes each of the following…

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Q: .Calculate the concentration of H3O+ in the sample of milk of magnesia with the pH=10.52 2.…

A: “Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: The acid strength decreases in the series HBr > HSO, > CH3COOH > HCN > HCO, Which of the following…

A: The order of acidity of conjugate bases are same as the acidity of acids. But a strong acid has weak…

Q: A solution of potassium chloride is neutral whereas a solution of bismuth (III) chloride is quite…

A: Potassium chloride (KCl) is the salt of a strong acid, HCl and strong base, KOH. Potassium ions (K+)…

Q: Enter the chemical formula of a binary molecular compound of hydrogen and a Group 7A element that…

A: We know that,  7A group containing element is,  F, Cl, Br, I It combine with H to form, HF,  HCl,…

Q: Account for the following: (i) NH3 is a stronger base than PH3. (ii) Sulphur has a greater tendency…

A: According to Lewis concept, electron donor species is defined as Lewis base while the electron…

Q: Me Me

A: The compound which gives hydrogen ion in the aqueous solution behave like an acid. The strength of…

Q: (a) How does the metallic character of an element correlate with the acidity of its oxide? (b) What…

A: a) Oxide of an element is more acidic when electronegativity of oxygen is greater than the element.…

Q: Arrange according to decreasing acidity .cO,H .CO2H .COH CH3 ČI C A В C>A>B C>B>A B>A>C B>C>A

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Q: Calculate the pH of a 4.23×10-2 M solution of hypochlorous acid at 25°C. Ka for hypochlorous acid is…

A: We have to calculate the pH of a 4.23×10-2 M solution of hypochlorous acid ( HOCl) at 25°C. Ka for…

Q: Calculate

A: Option c is correct answer. pH= 10.11

Q: 3) Why do we use 8.314 as the value for R III mU mole • K

A: We have to tell why value of R us taken as 8.314J/molK

Q: Of the hydrogen halides, only HF is a weak acid. Give a possible explanation.

A: Acidity of acid depends on stability of conjugate base. And also how much easily acid undergoes…

Q: Rank the following in order of least-to-most acidic: B Br HO, HO, HO, Cl HO CI Br OC<B<A<D OD<A<B< C…

A: We have to arrange them in order of least to most acidic.