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Dry ammonia gas is passed over heated lead(II) oxide in a combustion tube. a) What observation would be made in the combustion tube b) Outline a chemical...

      

Dry ammonia gas is passed over heated lead(II) oxide in a combustion tube.
a) What observation would be made in the combustion tube
b) Outline a chemical test you would use to identify the colourless liquid collected in the u-tube
c) Name the colourless liquid
d) Write an equation for the reaction between ammonia and lead(II)oxide

  

Answers


Edith
a.) The lead (2) oxide colour changes from yellow to grey. Water vapour formed condenses in the U tube and a gas is collected in the gas jar.

b.) A strip of cobalt chloride paper was dipped into the liquid and it changed it's colour from blue to pink.Thus indicating that the liquid collected in the U tube isvwater.

c.) Water.

d.) 2NH3(g)+ 3PbO(s) —> 3Pb(s) + N2(g) + 3H2O (l)
eddynightsy answered the question on April 17, 2018 at 22:56


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