Gas Evolved from Common Salt Reaction (Jee Mains)

Group 17 & 18 Elements

Medium

Gas Evolved from Common Salt Reaction

On heating a mixture of common salt and K₂Cr₂O₇ in equal amount along with concentrated H₂SO₄ in a test tube, a gas is evolved. Formula of the gas evolved and oxidation state of the central metal atom in the gas respectively are :

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