Acids, Bases, Salts & Buffers

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Quiz on salt hydrolysis and buffers

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AINA MARDZIAH AHMAD RIFA’I

Malaysia

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Acids, Bases, Salts & Buffers


Froggy Jumps Acids, Bases, Salts & BuffersOnline version Quiz on salt hydrolysis and buffers by AINA MARDZIAH AHMAD RIFA’I 1 What is salt hydrolysis in aqueous solution? a Salt dissolves without any reaction b Salt remains completely neutral in water c Salt reacts with water to form acidic or basic solution 2 In a buffered solution, what is the role of the weak acid–conjugate base pair? a It raises the temperature of the solution b It precipitates the ions present c It resists pH changes by neutralizing added acid or base 3 Which statement describes a buffer solution best? a It contains only strong bases b It contains only strong acids c It contains a weak acid and its conjugate base in appreciable amounts 4 Which salt hydrolysis would yield a basic solution? a Salt of a strong acid with a weak base b Salt of a weak acid with a strong base c Salt of a strong acid with a strong base 5 Which salt hydrolysis would yield an acidic solution? a Salt of a strong acid with a strong base b Salt of a weak base with a strong acid c Salt of a strong base with a weak acid 6 Henderson–Hasselbalch equation relates pH to? a pH = pKb + log([B+]/[BOH]) b pH = log([H+]/[OH−]) c pH = pKa + log([A−]/[HA]) 7 A buffer made from acetic acid and sodium acetate mainly resists pH changes upon? a Increasing temperature by 50°C b Addition of water only c Addition of small amounts of strong acid or base 8 Which change would increase buffer capacity? a Increasing both conjugate base and weak acid concentrations equally b Using only the weak acid c Using only the conjugate base 9 What happens when a strong acid is added to a buffer containing acetic acid and acetate? a Salt precipitates out of solution b Most H+ ions are consumed by acetate to form acetic acid c pH drops drastically due to free H+ 10 Which is true about salt hydrolysis of NaF in water? a F− hydrolyzes to make the solution slightly basic b Neither ion hydrolyzes; solution is neutral c NaF hydrolyzes to make it acidic

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Acids, Bases, Salts & Buffers

Froggy Jumps

About this activity

Created by

Download the paper version to play

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Acids, Bases, Salts & BuffersOnline version

by AINA MARDZIAH AHMAD RIFA’I

What is salt hydrolysis in aqueous solution?

In a buffered solution, what is the role of the weak acid–conjugate base pair?

Which statement describes a buffer solution best?

Which salt hydrolysis would yield a basic solution?

Which salt hydrolysis would yield an acidic solution?

Henderson–Hasselbalch equation relates pH to?

A buffer made from acetic acid and sodium acetate mainly resists pH changes upon?

Which change would increase buffer capacity?

What happens when a strong acid is added to a buffer containing acetic acid and acetate?

Which is true about salt hydrolysis of NaF in water?