HARD
12th West Bengal Board
IMPORTANT
Earn 100

Write the chemistry of recharging the lead storage battery, highlighting all the materials that are involved during recharging.

Important Questions on Electrochemistry

EASY
12th West Bengal Board
IMPORTANT

Write the cell reaction for the cell

SnSn2+Au3+Au

EASY
12th West Bengal Board
IMPORTANT

Give the representation for the cell with cell reaction as:

2Ag++NiNi2++2Ag

EASY
12th West Bengal Board
IMPORTANT

Give the representation for the cell with cell reaction as:

2Al+3Zn2+2Al3++3Zn

MEDIUM
12th West Bengal Board
IMPORTANT

A conventional method of representing Daniell cell is:

Zns Zn2+aq1MCu2+aq1M; Cus

Draw a diagram of the cell and mark anode and cathode.

Cu2+/Cu=0.34 V; Zn2+/Zn=-0.76 V

MEDIUM
12th West Bengal Board
IMPORTANT

A conventional method of representing Daniell cell is:

Zns; Zn2+aq1MCu2+aq1M; Cus

Give the net reaction as current is drawn.

EASY
12th West Bengal Board
IMPORTANT
Discuss the main applications of electrochemical series.
EASY
12th West Bengal Board
IMPORTANT

Draw the diagram a of galvanic cell involving following reactions:

Zn+Cu2+Zn2++Cu and answer the following questions.

How does the e.m.f. of the cell change with the decrease in the concentration of Cu2+ ions ?

EASY
12th West Bengal Board
IMPORTANT

Draw the diagram an of galvanic cell involving following reactions:

Zn+Cu2+Zn2++Cu and answer the following questions.

How electrical neutrality is maintained in both the half cells?