Questions in electrochemistry

SelectQuestion
The following list shows the relative strength of five acids in decreasing order – hydrochloric acid, formic acid, benzoic acid, acetic acid, carbonic acid. Which of the following is the most likely to be the correct deductions
The position of some metals in the electrochemical series in decreasing electroopsitive character is given as $Mg > Al > Zn > Cu > Ag$. What will happen, if a copper spoon is used to stir a solution aluminium nitrate
When a piece of wire of copper is dipped in $AgN{{O}_{3}}$ solution, the colour of the solution turns blue due to
Which one of the following metals cannot evolve ${{H}_{2}}$ from acids or ${{H}_{2}}O$ or from its compounds
Which one of the following does not get oxidised by bromine water
When $E_{A{{g}^{+}}/Ag}^{0}=0.8\,volt$ and $E_{Z{{n}^{2+}}/Zn}^{0}=-0.76\,volt$, which of the following is correct
The standard reduction potentials at 298 K for the following half reactions are given against each $Z{{n}^{2+}}(aq)+2{{e}^{-}}$ ? $Zn\,(s)$; – 0.762 $C{{r}^{3+}}(aq)+3{{e}^{-}}$ ? $Cr\,(s)$; – 0.740 $2{{H}^{+}}(aq)+2{{e}^{-}}$ ? ${{H}_{2}}(g)$; 0.00 $F{{e}^{3+}}(aq)+{{e}^{-}}$ ? $F{{e}^{2+}}(aq)$; 0.770 Which is the strongest reducing agent
The hydrogen electrode is dipped in a solution of pH = 3 at . The potential of the cell would be (the value of 2.303 RT/F is 0.059 V)
Iron displaces copper from its salt solution, because
A gas $X$ at 1 atm is bubbled through a solution containing a mixture of $1\,M\,{{Y}^{-}}$ and $1\,M\,{{Z}^{-}}$ at ${{25}^{o}}C$. If the reduction potential of $Z > Y > X$, then

View Selected Questions (0)

Back to Categories

Back to Home