MCQ
The $3d-$ elements show variable oxidation states. What is the maximum oxidation state shown by the element $Mn$
- A$4$
- B$5$
- C$6$
- ✓$7$
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| Element | Ionization | enthalpy | $(kJ/mol)$ |
| $1^{st}$ | $2^{nd}$ | $3^{rd}$ | |
| $A$ | $899$ | $1757$ | $14847$ |
| $B$ | $737$ | $1450$ | $7731$ |
Which of the following statements is correct ?
$(a)$ $\begin{array}{*{20}{c}}
{C{H_3} - CH - Br} \\
{|\,\,} \\
{\,\,\,\,\,{C_2}{H_5}\,}
\end{array}$ $(b)$ $\begin{array}{*{20}{c}}
{\,\,Br\,} \\
{|\,} \\
{C{H_3} - C - C{H_3}} \\
{|\,} \\
{\,\,\,\,\,{C_2}{H_5}}
\end{array}$ $(c)$ $\begin{array}{*{20}{c}}
{{C_2}{H_5} - CH - C{H_2}Br} \\
{\,\,|\,\,\,\,\,\,\,\,\,\,\,} \\
{{C_2}{H_5}\,\,}
\end{array}$
$(a)\, IP$ of $O_{(g)}$ is less than $IP$ of $O_{(g)}^ - $
$(b)\, IP$ of $Ne_{(g)}$ is greater than $IP$ of $Ne_{(g)}^ + $
$(c)\, EA$ of $O_{(g)}^ + $ is greater than $EA$ of $O_{(g)}$
$(d)\, IP$ of $N_{(g)}$ is greater than $IP$ of $N_{(g)}^ + $