Home
Class 12
CHEMISTRY
During the discharge of a lead storage b...

During the discharge of a lead storage battery, the density of sulphuric acid fell from `1.294 g mL^(-1)` to `1.139 g mL^(-)`. Sulphuric acid of density `1.294 g mL^(-1)` is `39%` by weight and that of density `1.139 g mL^(-1)` is `20%` by weight. The battery hold `3.5` litre of acied and discharge. Calculate the no. of ampere hour for which the battery must have been used. The charging and discharging reactions are:
`Pb+SO_(4)^(2-) rarr PbSO_(4)+2e` (charging)
`PbO_(2)+4H^(+)+SO_(4)^(2-)+2e rarr PbSO_(4)+2H_(2)O` (discharging)

Text Solution

Verified by Experts

The correct Answer is:
265.04 ampere-hour
Promotional Banner

Topper's Solved these Questions

  • ELECTROCHEMISTRY

    FIITJEE|Exercise Assignment Problems (Subjective) Level -II|15 Videos

  • ELECTROCHEMISTRY

    FIITJEE|Exercise Assignment Problems (Objective) Level-1|50 Videos

  • ELECTROCHEMISTRY

    FIITJEE|Exercise Assignment Problems (Subjective) Level-1 (Fill In The Blanks)|9 Videos

  • CONCEPT OF ACIDS AND BASES

    FIITJEE|Exercise SINGLE INTEGER ANSWER TYPE QUESTIONS|4 Videos

  • ELECTROPHILIC AROMATIC SUBSTITUTION

    FIITJEE|Exercise NUMERICAL BASED QUESTIONS INDICATED BY DIGITAL INTERGER|1 Videos

Similar Questions

Explore conceptually related problems

During the discharge of a lead storage battery, the density of sulphuric acid fell from 1.294g mL^(-1) to 1.139g mL^(-1) . Sulphuric acid of dencity 1.294g mL^(-1) is 39% by weight and that of density holds 3.5 litre of acid and the volume practically remained constant during the discharge. Calculate the no.of ampere hour for which the battery must have been used. The charging and discharging reactions are : Pb+SO_(4)^(2-)rarr PbSO_(4)+2e^(-) (charging) PbO_(2)+4H^(+)+SO_(4)^(2-)+2e^(-)rarr PbSO_(4)+2H_(2O) (dischargeing)

During discharge of a lead storage cell the density of sulphuric acid in the cell:

During discharge of a lead storage cell the density of sulphuric acid in the cell:

During discharge in the case of lead storage batteries density of sulphuric acid