MCQ
In electrolysis of aq.$NiI_2$ solution using $Ni$ electrodes on passing $1$ equivalent charge, mass of cathode Given $[Ni = 59, I = 127]$
- ✓Increase by $29.5$ $gm$
- BIncrease by $59$ $gm$
- CDecreases by $127$ $gm$
- DNone of these
✓
Answer
Correct option: A.
Increase by $29.5$ $gm$
a
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
In the given reaction
→${C_6}{H_5} - O - C{H_2} - C{H_3}\xrightarrow{{Excess\,HI/\Delta }}\left[ X \right] + \left[ Y \right]$
$[X]$ and $[Y]$ will respectively be
Which gas should not be collected over water because of its high solubility in water?
The Hinsberg's method is used for
$18\, g$ of glucose $(C_6H_{12}O_6)$ is added to $178.2\, g$ of water. The vapour pressure of water for this aqueous solution at $100^o C$ is ........ $Torr$.
→A lanthanoid has $'n'$ unpaired electrons and another lanthanoid has $(14-n)$ unpaired electrons. It means
→In the above reaction, product $(B)$ is:
→Starch is converted into maltose by the
An aqueous solution of $4.5\,gm$ oxalic acid $(H_2C_2O_4)$ is made up to $250\,ml$. Calculate volume of $0.1\,N\,NaOH$, which is required to neutralise completely $20\,ml$ of this solution ...... $ml$.
→Which of the following reagent must be used in given interconversion ?
The time required to remove electrolytically one fourth of $Ag$ from $0.2\, litre$ of $0.1\,M\, AgCl$ solution by a current of $0.1\,amp$. is approximately .......... $\mathrm{min}$
→