MCQ
When a lead storage battery is discharged
- A$SO_2$is evolved
- BLead sulphate is consumed
- CLead is formed
- ✓Sulphuric acid is consumed
$Pb + Pb{O_2} + 2{H_2}S{O_4}$ $\underset{{\operatorname{Re} ch\arg e}}{\overset{{Disch\arg e}}{\longleftrightarrow}}$ $2PbS{O_4} + 2{H_2}O$
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$(I)\, K_4 [Fe(CN)_6]$ $(II)\, K_3[Cr(CN)_6]$ $(III)\, K_3 [Co(CN)_6]$ $(IV)\, K_2[Ni(CN)_4]$
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