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Which of the following is least reactive?  (a) Fe  (b) Pt  (c) Ni  (d) Co

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Which of the following is least reactive? 

(a) Fe 

(b) Pt 

(c) Ni 

(d) Co

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1 Answer

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Correct option is (b) Pt 

Pt (Platinum) is the least reactive metal. It has remarkable resistance to corrosion, even at high temperatures, and is therefore considered a noble metal.

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