Chemistry · 2021
JEE Main · 31 August 2021, Shift 1 · Q60
Consider the sulphides HgS, PbS, CuS, Sb_2 S_3, As_2 S_3 and CdS. Number of these sulphides soluble in 50 % HNO_3 is \ \ \ \.
Consider the sulphides $\displaystyle \mathrm{HgS}, \mathrm{PbS}, \mathrm{CuS}, \mathrm{Sb}_2 \mathrm{~S}_3, \mathrm{As}_2 \mathrm{~S}_3$ and CdS . Number of these sulphides soluble in $\displaystyle 50 \% \mathrm{HNO}_3$ is \_\_\_\_.
Official answer
4
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JEE Main 2021 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.