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Which salt on heating does not give brown coloured gas is

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By Expert Faculty of Sri Chaitanya
ctaimg
a
LiNO3
b
KNO3
c
MgNO32
d
BaNO32
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detailed solution

Correct option is B

2KNO3→  2KNO2+O2All other nitrates give metal oxide, oxygen and nitrogen dioxide(reddish-brown).

ctaimg

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