$4 \ g$ of copper was dissolved in concentrated nitric acid. The copper nitrate solution on strong heating gave $5 \ g$ of its oxide. The equivalent weight of copper is
- A$23$
- B$32$
- C$12$
- D$20$
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Sulphur forms the chlorides $S_2Cl_2$ and $SCl_2$. The equivalent mass of sulphur in $SCl_2$ is $...$ $g/mol$.
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View SolutionMatch column $-I$ and column $-II$ with the correct molar mass values:
Column $-I$ Column $-II$ $(i)$ Barium sulphate $(a)$ $1877 \ g/mol$ $(ii)$ Magnesium pyrophosphate $(b)$ $235 \ g/mol$ $(iii)$ Ammonium phosphomolybdate $(c)$ $188 \ g/mol$ $(iv)$ Silver chloride $(d)$ $222 \ g/mol$ $(v)$ Silver bromide $(e)$ $143.5 \ g/mol$ $(vi)$ Silver iodide $(f)$ $233 \ g/mol$
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| $(i)$ Barium sulphate | $(a)$ $1877 \ g/mol$ |
| $(ii)$ Magnesium pyrophosphate | $(b)$ $235 \ g/mol$ |
| $(iii)$ Ammonium phosphomolybdate | $(c)$ $188 \ g/mol$ |
| $(iv)$ Silver chloride | $(d)$ $222 \ g/mol$ |
| $(v)$ Silver bromide | $(e)$ $143.5 \ g/mol$ |
| $(vi)$ Silver iodide | $(f)$ $233 \ g/mol$ |
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