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Identifying Acids and Bases

Q. Rank the following compounds in order of decreasing acid strength using periodic trends. Rank the acids from strongest to weakest. To rank items as equivalent, overlap them. H2Se, MgH2, HI, HBr

Solved • Feb 26, 2020

Identifying Acids and Bases

Q. Consider the two Lewis structures given below: Which o0f the following statements is correct? a) Structure 2 can be classified as both a Bronsted-Lowry and a Lewis base. b) Structure 1 can be classified as both a Bronsted-Lowry and a Lewis base. c) Structure 2 would have similar Lewis acid-base properties as those of AlCl3. d) In a reaction, structure 1 would function as a Lewis base while structure 2 would function as a Lewis acid.

Solved • Feb 18, 2020

Identifying Acids and Bases

Q. Which of the following statements is correct: A. In a solution of 1.0 M HCl, [H3O^+] is 1.0 M. B. In a solution of 1.0 M HF, [H3O^+] is less than 1.0 M. C. The acid ionization constant of HNO3 is less than that of HNO2. a) B and C only b) A and B only c) A and C only d) A, B and C

Solved • Feb 18, 2020

Identifying Acids and Bases

Q. Which of the following ranks the pair of acids in the correct order of strength? a) HBrO is weaker than HClO. b) LiH is stronger than HF. c) Hl is weaker than HBr. d) HClO is stronger than HClO3.

Solved • Feb 18, 2020

Identifying Acids and Bases

Q. Examine the following reaction: CH3COOH + H2O ⇌ CH3COO^- + H3O^+ Which of the statements is a correct description of this reaction? a) H2O is acting as a Bronsted-Lowy acid. b) CH3COOH and H2O is a conjugate acid-base pair. c) CH3COO^- is a conjugate base. d) CH3COOH is a strong acid.

Solved • Feb 18, 2020

Identifying Acids and Bases

Q. What is the conjugate base of HSO3^-? Express your answer as a chemical formula.

Solved • Feb 25, 2020

Identifying Acids and Bases

Q. The following equation shows the equilibrium in an aqueous solution of ethylamine: C2H5NH2(aq) + H2O(l) ⇌ C2H5NH3+(aq) + OH−(aq) Which of the following represents a conjugate acid-base pair? a) C2H5NH2 and H2O b) C2H5NH3^+ and OH^− c) H2O and OH^− d) C2H5NH2 and OH^−

Solved • Feb 25, 2020