Q.

In an automobile engine, (4t high temperature) when fossil fuel is burnt, N2 and O2 combine to yield

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a

NO

b

NO2

c

HNO3

d

Both (a) and (b)

answer is D.

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Detailed Solution

In an automobile engine (at high temperature) when fossil fuel is burnt, N2 and O2 combine to yield nitric oxide (NO) and nitrogen dioxide (NO2).N2(g)+O2(g)⟶1483 K2NO(g)2NO(g)+O2(g)⟶2NO2(g)
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In an automobile engine, (4t high temperature) when fossil fuel is burnt, N2 and O2 combine to yield