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The chemistry of corrosion of iron is es...

The chemistry of corrosion of iron is essentially an electrochemical phenomenon. Explain the reactions occurring during the corrosion of iron in the atmosphere. Suggest two materials other than hydrogen that can be used as fuels in fuel cells.
The molar conductivity of 0.025 `"mol L"^(-1)`, methanoic acid is `46.1 scm^(2)"mol"^(-1)`. Calculate its degree of dissociation and dissociation constant.

Text Solution

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`alpha=0.1140`
`K_(a)=3.67 xx 10^(-4)"mol L"^(-1)`
Given, `lambda^(@)(H^(+)) =349.6 "scm"^(2)"mol"^(-1)`
`lambda^(@) (HCOO^(-))=54.6"scm"^(2)"mol"^(-1)`
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