Advertisements
Advertisements
प्रश्न
State one relevant observation for the following.
Lead nitrate solution is treated with sodium hydroxide solution dropwise till it is excess.
Advertisements
उत्तर
ppt. of lead hydroxide is observed
`Pb(NO_3)_2 + 2NH_4OH -> Pb(OH)_2 + 2NH_4NO_3`
APPEARS IN
संबंधित प्रश्न
A compound X (having the vinegar-like smell) when treated with ethanol in the presence of the acid Z, gives a compound Y which has a fruity smell.
The reaction is:
1) Identify Y and Z.
2) Write the structural formula of X.
3) Name the above reaction.
Name
a metallic hydroxide soluble in excess of NH4OH.
Name the metal hydroxides which are:
Sparingly soluble
In caustic soda solution
Name the metal hydroxides which are :
(a) Insoluble (b) Soluble in
(i) Caustic soda solution (ii) Ammonium hydroxide solution.
Name the chloride of a metal which is soluble in excess of ammonium hydroxide.
Fill in the blank.
The hydroxide which is soluble in excess of NaOH is _________ [Zn(OH)2 / Fe(OH)3 / Fe(OH)2].
Choose the correct answer from the options given below :
Metal + alkali → salt + _________
Choose the correct answer:
The metal oxide which can react with acid as well as alkali is:
One chemical test that would enable you to distinguish between the following pair of chemicals. Describe what happens with each chemical or state 'no visible reaction'.
Calcium nitrate solution and zinc nitrate solution.
Write balanced equations for a metal that evolves a gas which burns with a pop sound when boiled with alkali solutions.
