Home
Class 12
CHEMISTRY
Zn^(2+)toZn((s)),E^(@)=-0.76V Cu^(2+)to...

`Zn^(2+)toZn_((s)),E^(@)=-0.76V`
`Cu^(2+)toCu_((s)),E^(@)=-0.345V`
Which of the following is spontaneous?

A

`Zn^(2+)+CutoZn+Cu^(2+)`

B

`Cu^(2+)+ZntoCu+Zn^(2+)`

C

`Zn^(2+)+Cu^(2+)toZn+Cu`

D

None of the above

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • REDOX REACTION & ELECTROCHEMISTRY

    BRILLIANT PUBLICATION|Exercise QUESTION (REDOX REACTION) (LEVEL -II)|26 Videos
  • REDOX REACTION & ELECTROCHEMISTRY

    BRILLIANT PUBLICATION|Exercise QUESTION (REDOX REACTION) (LEVEL -II) (ASSERTION-REASON)|3 Videos
  • POLYMERS, BIOMOLECULES AND CHEMISTRY IN EVERYDAY LIFE

    BRILLIANT PUBLICATION|Exercise LEVEL -III (Comprehension Type) |12 Videos
  • SOLID STATE

    BRILLIANT PUBLICATION|Exercise LEVEL-3 (Linked Comprehension Type)|10 Videos

Similar Questions

Explore conceptually related problems

Given E_(Ni//Ni)^(2+)=-0.23V,E_(Zn^(2+)//Zn)^(@)=-0.76V,E_(Fe^(2+)//Fe)^(@)+-0.44V . The reaction X+Y^(2+)toX^(2+)+Y is spontaneous if

Given that Ni^(2+)|Ni=-0.25V,Cu^(2+)|Cu=0.34VAg^(+)|Ag=0.80V and Zn^(2+)|Zn=-0.76V . Which of the following reactions under standard conditions can take place in the specified direction?

For the cell Zn|Zn^(2+)(0.01M)||M_((0.001M))^(2+)|M,E_("cell")=0.29V . When Q=K_(eq) , which of the following is true?

Given that Fe^(3+)+e leftrightarrow Fe^(2+), E^@=0.77V Fe^(2+)+2e leftrightarrow Fe, E^@=-0.44V What will be the E^@ value for the following half cell. Fe^(3+)+ 3e leftrightarrow Fe

Given the standard electrod potentials E_(Cu^(2+)//Cu)^(@)=0.34v and E_(Cu^(+)//Cu)^(@)=0.52V . What is K_(c) for the disproportion 2Cu^(+)toCu+Cu^(2+)

The standard potentials, E^@ for the half reaction are as Zn=Zn^(2+)+2e^(-) , E^@=0.76V Fe=Fe^(2+)+2e^(-) , E^@=0.41V The emf for the cell reaction Fe^(3+) +Zn to Zn^(2+)+Fe is

Given the following standard electrode potentials : "Element" " " "Electrode reaction" E_((298)^(@) " " ("Volts") Zn//Zn_((aq))^(2+)+2etoZn_((s)) -0.76 Sn//Sn_((aq))^(2+)+2etoSn_((s))-0.14 Pb//Pb_((aq))^(2+)+2etoPb_((s))-0.13 Cu//Cu^(2+)+2etoCu_((s))+0.34 Based on the above data, identify the correct answer. From an aqueous solution of the salts

Given E_(Zn^(2+)//Zn)^(@)=-0.76V,E_(Fe^(2+)//Fe)^(@)=-0.44V and E_(Ni^(2+)// Ni)^(@)=-0.236V . A galvanic cell cannot produce current by a spontaneous reaction X+Y^(2+)toX^(2+)+Y if

From the following E^@ values of half cells (i) A to A^(+)+e, E^@=+1.2V (ii) B^(-) to B+e, E^@=-2.1V (iii) C to C^(2+) +2e, E^@=0.38V (iv) D^(-2) to D^(-) +e, E^@=-0.59V What combination of two half cells would result in a cell with the largest potential?