Home
Class 12
CHEMISTRY
When a current of 3A is passed through a...

When a current of 3A is passed through an aqueous solution of a palladium salt, the mass of Pd metal deposited in 1 hour is 2.98 g. If the metal's atomic mass is 106.4, the valency of palladium is _________.

A

5

B

4

C

3

D

2

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Similar Questions

Explore conceptually related problems

When 48250 C of electricity is passed through an aqueous solution of NiI_(2) (atomic mass of Ni= 58.8) , the mass of nickel metal deposited would be_________.

If 0.5 amp current is passed through acidified silver nitrate solution for 10 minutes. The mass of silver deposited on cathode, is (eq. wt. of silver nitrate = 108 ).

Two Faraday of electricity is passed through a solution of CuSO_(4) . The mass of copper deposited at the cathode is (at. Mass of Cu=63.5u)

On passing electric current into a solution of a salt of metal M, the reaction taking place at the cathode is M^(2+)+2e^(-) to M . The atomic mass of M is 65. The equivalent mass of the metal is ________.

A current of 6 amperes is passed through AICI_3 solution for 15 minutes using Pt electrodes, when 0.504 g of Al is produced. What is the molar mass of Al ?

Element A( atomic mass 112) and element B (atomic mass 27) from chlorides. Solutions of these chlorides are electrolysed seperately and it is found that when the same quantity of electricity is passed 5.6 g of A was deposited while only 0.9 g if B was deposited. If the valency of B is 3, then the valency of A is _________.

1.8 g of metal was deposited by a current 3 A for 50 minutes . The equivalent mass of metal is _________.

The amount of electricity that should be passed through CuSO_(4) solution with Cu electrodes to deposit 0.1 g atom of Cu is _________.

An aqueous solution of copper sulphate is electrolysed . The atomic mass of the copper , if the electrochemical equivalent is 3.29 xx 10^(-4) g will be __________.

One Faraday electricity is passed through Al_(2)(SO_(4))_(3) solution, number of atoms of Al deposited at cathode will be__________.