CBSE Class 12-science Answered
Two gases A and B are allotropes. A is paramagnetic and B is diamagnetic. B is a powerful oxidizing agent than A. A is converted to B by silent electrical discharge. A is colorless while B is a pale blue gas. B reacts with blackened lead paintings to make them white. B converts colorless NO gas to brown gas C and A is also formed.
Identify A,B and C and write the reactions involved.
Asked by lekhakarthikeyan | 28 Aug, 2018, 03:43: AM
Expert Answer
1) A is an oxygen gas which is paramagnetic and B is an ozone gas which is the powerful oxidizing agent than A oxygen.
2) oxygen is converted to ozone by silent electrical discharge to avoid its decomposition.
3) ozone reacts with blackened lead paintings to make them white.
4) Ozone (B) converts colorless NO gas to brown gas C and A is also formed.
Therefore,
A = Oxygen O2
B= Ozone O3
C= Nitrogen dioxide NO2
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