Molar mass of the salt from NaBr, NaNO3, KI and CaF2 which does not evolve coloured vapours on heating with concentrated H2SO4 is _____ g mol–1, (Molar mass in g mol–1 : Na : 23, N : 14, K : 39, O : 1

Question

Molar mass of the salt from NaBr, NaNO3, KI and CaF2 which does not evolve coloured vapours on heating with concentrated H2SO4 is _____ g mol–1, (Molar mass in g mol–1 : Na : 23, N : 14, K : 39, O : 16, Br : 80, I : 127, F : 19, Ca : 40

Prashant Kotian · Accepted Answer

Correct answer: .. CaF2 does not evolve any gas with concentrated H2SO4. NaBr  evolve Br2 NaNO3  evolve NO2 KI  evolve I2

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