MCQ
Which give positive iodoform test


- A$X$ and $Y$
- BOnly $X$
- C$X$ and $Z$
- ✓$X, Y,$ and $Z$

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[Given : Molal depression constant and density of water are $1.86\, K\, kg\, mol^{-1}$ and $1\, g\, cm^{-3}$ respectively.]
$C{u_{\left( s \right)}} + 2Ag_{\left( {aq} \right)}^ + \to Cu_{\left( {aq} \right)}^{2 + } + 2A{g_{\left( s \right)}}$