MCQ
When $Zn$ piece is kept in $CuS{O_4}$ solution, the copper get precipitated due to standard potential of zinc is
- A$>$ copper
- ✓$<$ copper
- C$> $ sulphate
- D$<$ sulphate
✓
Answer
Correct option: B.
$<$ copper
b
(b)Standard potential of Zinc $< $ Copper.
(b)Standard potential of Zinc $< $ Copper.
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
Which one of the following electrolytes has the same value of van't Hoff factor $(i)$ as that of $Al_2(SO_4)_3$ (if all are $100\%$ ionised)?
→m-chlorobenzaldehyde on treatment with $50 \%$ $\mathrm{KOH}$ solution yields
→Consider the above reaction, compound $B$ is :
→Geometrical and optical isomerism exihibted by
$MF + XeF_4 \to 'A'\, (M^+ =$ Alkali metal cation) The state of hybridisation of the central atom in $'A'$ and shape of the species are:
→Assertion : $[Co(NO_2)_3(NH_3)_3]$ does not show optical isomerism.
→Reason : It has a plane of symmetry.
An aromatic compound $‘A‘$ having molecular formula $C_7H_6O_2$ on treating with aqueous ammonia and heating forms compound $‘B’$. The compound $‘B’$ on reaction with molecular bromine and potassium hydroxide provides compound $‘C’$ having molecular formula $C_6H_7N$. The structure of $‘A’$ is
→Magnetic moment of diamagnetic substance in Bohr Magnetons is:
Properties common to the elements manganese, iron, cobalt, nickel and copper include the ready formation by them all of
→$(I)$ coloured ions in aqueous solution
$(II)$ oxides of nitrogen are formed on reaction with concentrated $HNO_3$
$(III)$ chlorides of formula $MCl_2$ and $MCl_3$
Among the following, the one which reacts most readily with ethanol is