Zinc displaces copper from the solution of its salt because - Vidyadip

MCQ

Zinc displaces copper from the solution of its salt because

A
Atomic number of zinc is more than that of copper
B
Zinc salt is more soluble in water than the copper salt
C
Gibbs free energy of zinc is less than that of copper
✓
Zinc is placed higher than copper in electro-chemical series

✓

Answer

Correct option: D.

Zinc is placed higher than copper in electro-chemical series

d
(d)The reduction potential of $Zn$ is very higher than $ Cu.$

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

NEET STD 11 Science question papers→Gujarat Board STD 11 Science question papers→Gujarat Board question paper generator→

Similar questions

Which of the following is not a transition metal?

Select correct statement about anionic part of Zeise’s salt, $K\left[ {Pt\left( {{\eta ^2} - {C_2}{H_4}} \right)C{l_3}} \right]$

Some inert gas is added at constant volume to the following reaction at equilibrium

$N{H_4}HS(s) \rightleftharpoons N{H_3}(g) + H_2S(g)$

Predict the effect of adding the inert gas

In which block $106$$^{th}$ element belongs

If $5.85\,gms$ of $NaCl$ are dissolved in $90\,gms$ of water, the mole fraction of $NaCl$ is

Amongst $FeCl _{3} \cdot 3 H _{2} O , \quad K _{3}\left[ Fe ( CN )_{6}\right]$ and $\left[ Co \left( NH _{3}\right)_{6}\right] Cl _{3}$, the spin-only magnetic moment value of the inner-orbital complex that absorbs light at shortest wavelength is $B.M.\,......$ [nearest integer]

Assertion :One molal aqueous solution of glucose contains $180\,g$ of glucose in $1\, kg$ water.
Reason : Solution containing one mole of solute in $1000\, g$ of solvent is called one molal solution.

$pH$ of a mixture which is $0.1$ $M$ in $CH_3COOH$ and $0.05$ $M$ in $(CH_3COO)_2Ba$ is [$pK_a$ of $CH_3COOH$ = $4.74$]

Among the following metal carbonyls, the $\mathrm{C}-\mathrm{O}$ bond order is lowest in

Sucrose molecule is made up of