KCET 2023 Chemistry Solved Paper

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Question : 7 of 60

Marks: +1, -0

P,Q and R respectively are :

NaNO2+dil⋅HCl,BF3,Cu+NaNO2
NaNO3+ dil. HCl, F2,Cu+NaNO3
NaNO2+ dil. HCl,HBF4,Cu+NaNO2
NaNO2+ con. HCl,F2,Cu+NaNO3

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