MCQ
Acetaldehyde reacts with $C{l_2}$ (in excess) to give
- ✓Chloral
- BChloroform
- CAcetic acid
- DTrichloroacetic acid
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

| $M^{x+}\, (aq)\,/M(s)$ |
$A{u^{3 + }}(aq)/$ $Au(s)$ |
$A{g^ + }(aq)/$ $Ag(s)$ |
$F{e^{3 + }}(aq)/$ $F{e^{2 + }}(aq)$ |
$F{e^{2 + }}(aq)/$ $Fe(s)$ |
| $E^o\,M^{x+}$ $\,/M(V)$ | $1.40$ | $0.80$ | $0.77$ | $-0.44$ |
If $E_{Z{n^{2 + }}/Zn}^o = - 0.76\,V,$ which cathode will given a maximum value of $E_{cell}^o$ per electron transferred?
$\frac{2}{3}A{l_2}{O_3} \to \frac{4}{3}Al + {O_2},{\Delta _r}G = + 940\,kJ\,mo{l^{ - 1}}$
The potential difference needed for the electrolytic reduction of aluminium oxide ............... $\mathrm{V}$