Which of the following metals does not form a | vedclass

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(B) Concentrated $HNO_3$ is a strong oxidizing agent. Metals like $Fe$ and $Zn$ react with it to form their respective nitrates. However,noble metals

Vedclass · Accepted Answer

$Fe$ and $Pt$

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(B) Concentrated $HNO_3$ is a strong oxidizing agent. Metals like $Fe$ and $Zn$ react with it to form their respective nitrates. However,noble metals like $Pt$ (Platinum) are inert and do not react with concentrated $HNO_3$ to form nitrates. $Pb$ and $Ag$ react with concentrated $HNO_3$ to form their respective nitrates ($Pb(NO_3)_2$ and $AgNO_3$). Therefore,among the given options,$Pt$ is the metal that does not form a nitrate. Since the question asks for the metal that does not form a nitrate,and $Pt$ is the only one listed that is inert,the options provided in the question are slightly ambiguous. However,based on chemical reactivity,$Pt$ is the correct answer.

Which of the following metals does not form a metallic nitrate when reacted with concentrated $HNO_3$?

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