MCQ
Identity the incorrect pair from the following:
- APhotography - AgBr
- BPolythene preparation $- TiCl _4, Al \left( CH _3\right)_3$
- CHaber process - Iron
- ✓Wacker process $- Pt Cl _2$
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$Ni^{2+} | Ni = -0.25\, V$ ;
$Cu^{2+} | Cu = 0.34\, V$
$Ag^+ | Ag = 0.80\, V$ ;
$Zn^{2+} | Zn = -0.76 \,V$
Which of the following reactions under standard condition will not take place in the specified direction
Reason : $Si -O -Si$ linkages are moisture sensitive.
$P : 10\ ml, 0.1\ M\ NaOH + 5\ ml, 0.1\ M\ HCl$
$Q : 10\ ml, 0.1\ M\ NaOH + 15\ ml, 0.1\ M\ CH_3COOH$
$R : 10\ ml, 0.1\ M\ NH_3 + 10\ ml, 0.1\ M\ NH_4Cl$
$S : 10\ ml, 0.05\ M\ NaF + 5\ ml, 0.1\ M\ HF$
Which of above solutions act as buffer
$\begin{array}{*{20}{c}}
{C{H_3} - C = CH - {C_6}{H_5}} \\
{|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\
{C{H_3}\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,}
\end{array}$ $\xrightarrow{{HBr\,/\,Peroxide}}'A'$
$\begin{array}{*{20}{c}}
{C{H_3} - C = CH - {C_6}{H_5}} \\
{|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\
{C{H_3}\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,}
\end{array}$ $\xrightarrow[{HBr}]{}'B'$