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Shaneylee18
Shaneylee18
@shaneylee18
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Joined: Sep 21, 2020
Last seen: Jul 19, 2023
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Topics: 2184 / Replies: 0
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Topic
Assertion: For the Daniel cell, Zn|Zn^2+ ||Cu^2+ Cu with, Ecell = 1.1 V, the application of opposite potential greater than 1.1 V results
5 years ago
Forum
Electrochemistry
Replies: 0
Views: 192
Topic
Assertion: E° for Mn^3+ /Mn^2+ is more positive than Cr^3+ /Cr^2+
5 years ago
Forum
Electrochemistry
Replies: 0
Views: 169
Topic
Assertion: Galvanised iron does not rust. Reason: Zinc has a more negative electrode potential than iron.
5 years ago
Forum
Electrochemistry
Replies: 0
Views: 179
Topic
Assertion: Copper metal gets readily corroded in an acidic aqueous solution.
5 years ago
Forum
Electrochemistry
Replies: 0
Views: 189
Topic
Assertion: Copper reacts with HCI and liberates hydrogen.
5 years ago
Forum
Electrochemistry
Replies: 0
Views: 148
Topic
Assertion: A small amount of acid or alkali is added before electrolysis of water.
5 years ago
Forum
Electrochemistry
Replies: 0
Views: 170
Topic
Assertion: Electrical conductivity of copper increases with increase in temperature.
5 years ago
Forum
Electrochemistry
Replies: 0
Views: 134
Topic
Consider the following cell reaction: 2Fe(s) + O2(g) + 4H^+(aq) → 2Fe^2+(aq) + 2H2O(l); E° =1.67 V
5 years ago
Forum
Electrochemistry
Replies: 0
Views: 591
Topic
On the basis of the following E° values, the strongest oxidizing agent is :
5 years ago
Forum
Electrochemistry
Replies: 0
Views: 242
Topic
Given that the standard reduction potentials for M^+ /M and N^+ /N electrodes at 298 K are 0.52 V and 0.25 V respectively.
5 years ago
Forum
Electrochemistry
Replies: 0
Views: 271
Topic
A hydrogen electrode is immersed in a solution with pH = 0 (HCl). By how much will the potential (reduction) change
5 years ago
Forum
Electrochemistry
Replies: 0
Views: 158
Topic
A 1.0 M with respect to each of the metal halides AX3, BX2, CX3 and DX2 is electrolysed using platinum electrodes.
5 years ago
Forum
Electrochemistry
Replies: 0
Views: 898
Topic
The standard reduction potentials at 298K for the following half-reactions are given against each
5 years ago
Forum
Electrochemistry
Replies: 0
Views: 139
Topic
The cell constant of a given cell is 0.47 cm^-1. The resistance of a solution placed in this cell is measured to be 31.6 ohm.
5 years ago
Forum
Electrochemistry
Replies: 0
Views: 161
Topic
Given that E°K+ /K = -2.93 V; E°Fe2+/Fe = -0.44V; E°Zn2+/Zn = -0.76V;Based on this data, which of the following is the strongest reducing agent?
5 years ago
Forum
Electrochemistry
Replies: 0
Views: 215
Topic
Molar conductances of BaCl2, H2SO4 and HCl at infinite dilutions are x1, x2 and x3 respectively.
5 years ago
Forum
Electrochemistry
Replies: 0
Views: 421
Topic
A 0.5 M NaOH solution offers a resistance of 31.6 ohm in a conductivity cell at room temperature.
5 years ago
Forum
Electrochemistry
Replies: 0
Views: 145
Topic
For a cell reaction involving two electron change, the standard EMF of the cell is 0.295 V at 2°C.
5 years ago
Forum
Electrochemistry
Replies: 0
Views: 144
Topic
Equivalent conductance of an electrolyte containing NaF at infinite dilution is 90.1 Ohm^-1cm^2. If NaF is replaced by KF
5 years ago
Forum
Electrochemistry
Replies: 0
Views: 226
Topic
The emf of Daniell cell at 298 K is E1 Zn | ZnSO4 (0.01 M) | | CuSO4 (1.0 M) | Cu
5 years ago
Forum
Electrochemistry
Replies: 0
Views: 184
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