Arrange the following solutions in the decreasing order of specific conductance.
i) 0.01M KCl
ii) 0.005M KCl
iii) 0.1M KCl
iv) 0.25M KCl
v) 0.5M KCl

0.1M NaCl solution is placed in two different cells having cell constant 0.5 and 0.25 cm^-1 respectively. Which of the two will have greater value of specific conductance.

Can Fe³⁺ oxidises Bromide to bromine under standard conditions?
Given: \({ E }_{ { Fe }^{ 3+ }|{ Fe }^{ 2+ } }^{ 0 }=0.771V\); \(\\ { E }^{0}_{ { Br }_{ 2 }|{ Br }^{ - } }=1.09V\).

Two metals M₁ and M₂ have reduction potential values of -xV and +yV respectively. Which will liberate H₂ and H₂SO₄.

A solution of silver nitrate is electrolysed for 20 minutes with a current of 2 amperes. Calculate the mass of silver deposited at the cathode.