JEE Main 2021 · 31 August · morning · Numerical answer · +4 / −0

Consider the sulphides HgS, PbS, CuS, Sb₂S₃, As₂S₃ and CdS. Number of these sulphides soluble in 50% HNO₃ is ___________.

Answer and solution

Answer 4

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Study Qualitative Analysis — Salt Analysis

Asked about 80 times in JEE Main since 2020. This question is from 2021.