MCQEasyJEE Main 2026 · 21 January, Shift 2Potassium Dichromate & Permanganate

Chemistry Question from JEE Main 2026 · 21 January, Shift 2

On heating a mixture of common salt and K2Cr2O7K_2Cr_2O_7 in equal amount along with concentrated H2SO4H_2SO_4 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 :

  • A

    CrO2Cl2CrO_2Cl_2 and +6+6

  • B

    CrO2Cl2CrO_2Cl_2 and +5+5

  • C

    Cr2O2Cl2Cr_2O_2Cl_2 and +3+3

  • D

    Cr2O2Cl2Cr_2O_2Cl_2 and +6+6

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