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MCQEasyJEE Main 2024 · 31 January, Shift 1Group 17 Elements

Chemistry Question from JEE Main 2024 · 31 January, Shift 1

Molar mass of the salt from NaBr\text{NaBr}, NaNO3\text{NaNO}_3, KI\text{KI} and CaF2\text{CaF}_2 which does not evolve coloured vapours on heating with concentrated H2SO4\text{H}_2\text{SO}_4 is:

(Molar mass in g mol−1\text{g mol}^{-1} — Na: 23, N: 14, K: 39, O: 16, Br: 80, I: 127, F: 19, Ca: 40)

  • A

    78 g/mol78 \, \text{g/mol}

  • B

    88 g/mol88 \, \text{g/mol}

  • C

    98 g/mol98 \, \text{g/mol}

  • D

    108 g/mol108 \, \text{g/mol}

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