Advertisements
Advertisements
Question
State the effect of adding a small amount of : (a) sodium hydroxide (b) ammonium hydroxide followed by an excess in case to samples of the salt solutions.
Lead nitrate [ small amount ________ in excess ________ ]
Advertisements
Solution
Lead nitrate :
a. with sodium hydroxide :
- \[\ce{Pb(NO)3 + 2NaOH -> Pb(OH)2 + 2NaNO3}\]
- White curdy ppt. is soluble in excess of NaOH.
b. With ammonium hydroxide :
- \[\ce{Pb(NO)3 + 2NH4OH -> Pb(OH)2 + 2NH4NO3}\]
- White curdy ppt. is insoluble in excess of ammonium hydroxide.
APPEARS IN
RELATED QUESTIONS
Name the following:
Two solutions that yields white precipitates, when treated with hydrogen chloride or hydrochloric acid.
By the addition of only one solution, how would you distinguish between dilute hydrochloric acid and dilute nitric acid?
State one appropriate observation of the following:
A few drops of dilute hydrochloric acid are added to silver nitrate solution, followed by the addition of ammonium hydroxide solution.
State two observations when
Lead nitrate crystals are heated in a hard glass test tube.
Write an equation for the reaction of hydrochloric acid on manganese (IV) oxide.
Convert the following reaction into a balanced chemical equation:
Ferrous sulphide to hydrogen sulphide using hydrochloric acid.
Write an equation for the reaction of hydrochloric acid on manganese (IV) oxide.
Convert Hydrochloric acid to nascent chlorine.
Write an equation for the reaction of hydrochloric acid on manganese (IV) oxide.
Convert Hydrochloric acid to nascent chlorine.
