What will be the molecularity for the following reaction NO2(g) + CO (9) CO2 (). NO
Answers
Answer:
The molecularity of the reaction is 3.
Explanation:
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Class 12
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1) Write molecularity of the following reaction:
2NO
(g)
+O
2(g)
→2NO
2(g)
2) What is 'calcination'? How does it differ from 'roasting'?
3) Write resonating structures of ozones,
4) The decomposition of N
2
O
5(g)
at 320 K according to the following equation follows first order reaction:
N
2
O
5(g)
→2NO
2(g)
+
2
1
O
2(g)
The initial concentration of N
2
O
5(g)
is 1.24×10
−2
mol.L
−1
and after 60 minutes, 0.20×10
−2
mol.L
−1
. Calculate the rate constant of the reaction at 320 K
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Solution
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1) Molecularity is the sum of the different reactants which take part in a chemical reaction. Thus, molecularity of the reaction
2NO
(g)
+O
2(g)
→2NO
2(g)
is (2+1)=3
2) Calcination : Calcination is a process in which the ore of a metal or other solid material is heated to a high temperature below the melting point of the metal in absence of air or limited supply of air.
Example: Decomposition of carbonate minerals as in the calcination of limestone to drive off CO
2
CacO
3(s)
→CaO
(s)
+CO
2(g)
3) Difference between Calcination and Roasting
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Explanation:
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