Reactions of acids

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Question 6

Medium

This question is about acids, alkalis, and titrations.

Which ion is released by all acids when they dissociate in aqueous solution?

$OH−\text{OH}^-$
$H+\text{H}^+$
$Na+\text{Na}^+$

[1]

What is the general name given to the reaction between an acid and an alkali to form a salt and water?

Decomposition
Displacement
Neutralisation
Combustion

[1]

Balance the chemical equation for the reaction between nitric acid ( $HNO3\text{HNO}_3$ ) and barium hydroxide ( $Ba(OH)2\text{Ba(OH)}_2$ ): $‾HNO3+Ba(OH)2→Ba(NO3)2+‾H2O\underline{\quad}\text{HNO}_3 + \text{Ba(OH)}_2 \rightarrow \text{Ba(NO}_3)_2 + \underline{\quad}\text{H}_2\text{O}$

[1]

Barium hydroxide is a strong alkali. What is the most likely pH of a barium hydroxide solution?

$1$
$5$
$7$
$13$

[1]

Which piece of equipment is most suitable to measure and transfer exactly $cm325.0\text{ cm}^3$ of the barium hydroxide solution into a conical flask as accurately as possible?

Beaker
Measuring cylinder
Volumetric pipette
Boiling tube

[1]

Describe the step-by-step procedure a student should carry out to perform a titration to find the exact volume of nitric acid needed to neutralise the barium hydroxide solution, using a burette, a conical flask, and a suitable indicator.

[4]

Reactions of acids

Question 6

Reactions of acids Questions

Reactions of acids

Question 6

Reactions of acids Questions