Advertisements
Advertisements
प्रश्न
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.
Advertisements
उत्तर
\[\ce{\underset{Insoluble}{PbCO3} + 2HNO3 -> Pb(NO3)2 + H2O + CO2\uparrow}\]
संबंधित प्रश्न
Draw the structure of the stable positive ion formed when an acid dissolves in water.
Name the ion that turns blue litmus red.
Define the term neutralization, if one mole of a strong acid reacts with one mole of a strong base, the heat produced is always the same. Why?
Choose the correct answer from the options given below :
An electrolyte which completely dissociates into ions are :
Name the ions furnished by bases in solution.
Give one example : A hydroxide which is insoluble in water.
Give one example : A weak mineral acid.
Give one example : A base which is not an alkali.
From the list of the following salts choose the salt that most appropriately fits the description given in the following :
[ AgCl, MgCl2, NaHSO4, PbCO3, ZnCO3, KNO3, Ca(NO3)2 ]
(i) A deliquescent salt
(ii) An insoluble chloride
(iii) On heating this salt gives a yellow residue when hot and white when cold
(iv) On heating this salt, a brown coloured to prepare the following salts:
Making use only of substances chosen from those given below:
(Dilute sulphuric acid, sodium carbonate, Zinc, sodium sulphite, Lead, calcium carbonate)
Give the equation for the reaction by which you could obtain zinc carbonate (two steps required).
