MCQ
Which of the following is wrong statement
- ✓$Ni{(CO)_4}$ has oxidation number $+ 4 $ for $Ni$
- B$Ni{(CO)_4}$ has zero oxidation number for $ Ni$
- C$ Ni$ is metal
- D$CO$ is gas
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(Given : $K_b$ of water $=0.5\ Kkg/mol$ . ; Atomic mass of $Ca =40$ , $Br =80$)
$\begin{array}{*{20}{c}}
O\\
{||}\\
{C{H_3} - C - C{H_3}}
\end{array}$ $ + \begin{array}{*{20}{c}}
{C{H_2}OH}\\
{\,\,\,\,|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,}\\
{C{H_2}OH}
\end{array}$ $\overset{HCl}{\longleftrightarrow}$ ?