Help Contact For teachers and institutes

Mock Tests Classes

StemPy Lab

Learn. Solve. Code the solutions. Test yourself.

Live examsFree mock exams, timed and rankedEveryone starts together, and your score and rank come the moment it ends.See the exams →

Learn

Physics
Chemistry
Mathematics
Biology
Python Programming
Statistics & Data Science
Classes
Groups

Practice

Problems
Quizzes
Mock Tests
Prepare for an Exam
Question Sets
Exams
Certificates
Python Labs
AI Practice Generator
Student-Created Tests

Community

Discussions
Resources
Notes
Blog

Account

Log in

© 2026 senLearn. All rights reserved.Help About Contact Privacy Policy Terms of Use Refund Policy

A cell joins Cr³⁺/Cr with E° = -0.74 V to Ag⁺/Ag with… | StemPy Lab

Quizzes
A cell joins Cr³⁺/Cr with E° = -0.74 V to Ag⁺/Ag with E° = +0.80 V. What is the standard emf?

ChemistryEasyHigh School (11–12)Electrochemistry › Conductance, Electrolysis and Batteries AP A-Level IB

Created by StemPy Lab

A cell joins $\text{Cr}^{3+}/\text{Cr}$ with $E^\circ = -0.74\ \text{V}$ to $\text{Ag}^+/\text{Ag}$ with $E^\circ = +0.80\ \text{V}$ . What is the standard emf?

← All Quizzes

← A cell is written Mg(s) | Mg²⁺(aq) | Ag⁺(aq) | Ag(s). Which statement is correct?The standard emf of a cell comes out negative for the reaction as it is written. What is true of that reaction under standard conditions? →

More onElectrochemistry › Conductance, Electrolysis and Batteries

Discussion (0)

Log in to join the discussion.

Loading…

More questions on this topic

Statement I: in electroplating a spoon with silver, the spoon is made the anode. Statement II…Medium
A hydrogen and oxygen fuel cell supplies 0.640 A for 3.5 hours. What mass of oxygen is used? Use…Hard
A drop of water with dissolved oxygen sits on an iron sheet and rust forms. Which reaction takes…Medium
Assertion (A): a scratched zinc coat still protects the iron below it. Reason (R): zinc has a…Medium
Match the cells in List-I with the facts in List-II. List-I: (A) mercury cell; (B) dry cell; (C)…Medium

All questions on this topic →

Problems on this topic

A hydrogen and oxygen fuel cell delivers a steady 7.5 A at 0.62 V for 3.0 hours…Hard
A buried iron pipe corrodes. An average current of 28 mA leaves it for a whole year of 365 days…Medium
A torch draws 0.38 A from a dry cell for 20 hours…Medium
A lead storage battery is rated at 50 A h…Easy

All problems on this topic →