MCQ
Which of the following shows half filled configuration
- A$Cr^{+3}(aq)$
- B$Mn^{+2}(aq)$
- C$Fe^{+3}(aq)$
- ✓All
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$C{H_3}C{H_2}COOH\xrightarrow{{PC{l_3}}}I\xrightarrow[{AlC{l_3}}]{{{C_6}{H_6}}}II\xrightarrow[{base,heat}]{{N{H_2}N{H_2}}}III$ is
$(I)$ $B + ANO_3 \to B NO_3 + A$
$(II)$ $A + HCl \to ACl + \frac{1}{2}{H_2}$
$(III)$ $D + ECl \to DCl + E$
$(IV)$ $D + HNO_3 \to H_2$ gas is not evolved