Buffer Solutions

A quiz on buffer solutions, based on the OCR, A2 Level, Chemistry A, Specification.

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What is the correct definition of a buffer solution?
A solution that minimises pH changes on addition of small amounts of acids and bases.
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A buffer solution is a mixture of;
A weak acid and its conjugate base.
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In the CH3COOH/CH3COONa buffer system;
CH3COOH dissociates partially, and the salt dissociates completely.
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What is a common example of an alkali buffer solution?
NH3 solution and its salt.
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What is the buffer solution equation for equillibrium?
HA ↔ H+ + A-
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What is the function of conjugate acid-base pairs in buffer solutions?
A solution added means the conjugate pair will react to minimise change.
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Is a tomato a fruit?
True
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Other cards in this set

Card 2

Front

A buffer solution is a mixture of;

Back

A weak acid and its conjugate base.

Card 3

Front

In the CH3COOH/CH3COONa buffer system;

Back

Preview of the front of card 3

Card 4

Front

What is a common example of an alkali buffer solution?

Back

Preview of the front of card 4

Card 5

Front

What is the buffer solution equation for equillibrium?

Back

Preview of the front of card 5
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Comments

Jenna Hemsley

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This is a very good quiz, even for EDEXCEL.

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