Advertisements
Advertisements
Question
Write the balanced equations for the reaction required to convert insoluble lead (II) oxide into insoluble lead chloride.
Advertisements
Solution
Steps required for this reaction are :
\[\ce{PbO2 -> PbO + O}\]
\[\ce{PbO + 2HCI -> PbCI2 + H2O}\]
\[\ce{2HCI + O -> H2O + CI2}\]
\[\ce{PbO2 + 4HCI -> PbCI2 + 2H2O + CI2}\]
APPEARS IN
RELATED QUESTIONS
The soil in a field is highly acidic. Name two materials which can be added to this soil to reduce its acidity. Give the reason for your choice.
What type of ions are formed?
When a base (or alkali) is dissolved in water.
Which gas is usually liberated when an acid reacts with a metal? Illustrate with an example. How will you test for the presence of this gas?
Give the appropriate term defined by the statements given below :
The substance that releases hydronium ion as the only positive ion when dissolved in water.
What is the difference between : An alkali and a metal hydroxide?
The preparation of Lead sulphate from Lead carbonate is a two-step process. (Lead sulphate cannot be prepared by adding dilute Sulphuric acid to Lead carbonate.)
Write the equation for the reaction that will take place when this first step is carried out.
Acids are bitter in taste.
Fill in the cross word given in figure with the help of the clues provided.

Across
(2) The solution which does not change the colour of either red or blue litmus.
(4) Phenolphthalein gives pink colour in this type of solution.
(7) Colour of blue litmus in lemon juice.
Down
(1) It is used to test whether a substance is acidic or basic.
(3) It is a natural indicator and gives pink colour in basic solution.
(5) Nature of ant’s sting.
(6) It is responsible for the increase in temperature during a neutralisation reaction.
An acid is ______.
In a set of the given reactions, acetic acid yielded a product C.
\[\begin{array}{cc}
\phantom{}\ce{\underset{}{CH3COOH + PCl5} ->[][ ] \underset{}{A}->[C6H6][anhy.AlCl3 ] \underset{}{B}->[C2H5MgBr][Ether] \underset{}{C}}\\
\end{array}\]
Product C would be:
