Advertisements
Advertisements
प्रश्न
Write the balanced equations for the reaction required to convert insoluble lead (II) oxide into insoluble lead chloride.
Advertisements
उत्तर
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
संबंधित प्रश्न
What are organic acids?
What colour does phenolphthalein indicator turn when added to an alkali (such as sodium hydroxide)?
A white shirt has a yellow stain of curry. When soap is rubbed on this shirt during washing, the yellow stain turns reddish-brown. On rinsing the shirt with plenty of water, the reddish-brown stain turns yellow again.
- Name the natural indicator present in curry stain.
- Explain the changes in colour of this indicator which take place during washing and rinsing the shirt.
- What is the nature of soap (acidic/basic) as shown by the indicator present in curry stain?
What happens during a wasp sting? What is its remedy?
What happens when bases react with non-metal oxides? Explain with the help of an example. What does this reaction tell us about the nature of non-metal oxides?
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.
Main constituent of acid is ______.
An hydrous hydrogen chloride is not an acid but its aqueous solution is a strong acid. Explain.
Acids are ________ in taste.
Lemon juice and vinegar taste ______ because they contain ______.
