1. Which of the salts tested in the procedure were basic and which were acidic?
ID: 559539 • Letter: 1
Question
1. Which of the salts tested in the procedure were basic and which were acidic? 2. List the acidic salts in increasing order of acid strength, then list the basic salts in increasing order of base strength. 3. In Part B of the procedure, what trend (increase, decrease, or remain constant) did you observe for the values of K, and K, as the concentration of the acid or base decreased? Is this trend what you expected? Explain. 4. In Part B of the procedure, what trend (increase, decrease, or remain constant) did you observe for the values of the degree of ionization as the concentration of the acid or base decreased? Is this trend what you expected? Explain. 5. When comparing solutions of equal concentration, what is the relationship between the pH of an acid solution and the acid's Ka? When comparing solutions of equal concentration, what is the relationship between the pH of a basic solution and the base's K?Explanation / Answer
Ans 1 :
Salts are formed in the neutralisation reactions , when an acid reacts with base.
The salts that are formed of strong acid and weak base are acidic in nature and the ones that formed by strong base and weak acids are basic in nature.
The salts that are formed of strong acids and strong bases are neutral in nature.
Neutral - Na2SO4 , NaCl
Acidic - NaHSO4 , NH4Cl
Basic : NaC2H3O2 , Na2CO3
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