A colorless compound undergoes decomposition produces compound A, which is yellow and produce compound B (oxide of nitrogen). (a) Name the type of reaction. Why? (b) Write the balanced chemical equation. (c) What is the colour of compound B? (d) What is your observation? (e) What are the precautionary steps you would adopt while performing this activity?
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Answers & Comments
Answer:
The colorless lead salt will be lead nitrate Pb(NO
3
)
2
. On heating, it forms lead oxide & brown fumes of NO
2
gas liberate.
The equation is given by,
2Pb(NO
3
)
2
⟶2PbO+4NO
2
↑+O
2
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Explanation:
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Answer:
The two colourless solutions react to give yellow precipitate (PbI
2
). This is a double displacement reaction as there is an exchange of ions between potassium iodide and lead nitrate.
Explanation:
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