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Byju's Answer
Standard XII
Chemistry
Preparation of Dioxygen
Give equation...
Question
Give equations for effect of heat on red lead and lead dioxide.
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Solution
Solution:-
Equations for effect of heating on-
red lead-
2
P
b
3
O
4
(
Red lead
)
Δ
−
→
6
P
b
O
+
O
2
lead dioxide-
2
P
b
O
2
(
Lead dioxide
)
Δ
−
→
2
P
b
O
+
O
2
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Similar questions
Q.
Lead nitrate crystals on strong heating decompose to form lead monoxide, nitrogen dioxide gas and oxygen gas.
Q.
Red lead on heating releases :
Q.
In the decomposition of lead (II) nitrate to give lead (II) oxide, nitrogen dioxide and oxygen gas, the coefficient of nitrogen dioxide (in the balanced equation) is:
(All coefficients being natural numbers)
Q.
What will be the colour of the solution when
M
n
(
O
H
)
2
is treated with concentrated
H
N
O
3
and sodium bismuthate (or red lead or lead dioxide)?
Q.
Assertion:
A lead nitrate on thermal decomposition gives lead oxide, brown coloured nitrogen dioxide and oxygen gas.
Reason:
Lead nitrate reacts with potassium iodide to form yellow ppt of lead iodide and the reaction is double displacement as well as precipitation reaction.
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