MCQ
Which of the following can not react with $NaHCO_3$
- A

- B

- C

- ✓All



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$E^o_{Fe^{3+} /Fe} = -0.036\,V,$ $E^o _{Fe^{2+} /Fe} = -0.439\,V$
The value of standard electrode potential for the change,
$Fe^{3+} (aq) + e^- \rightarrow Fe^{2+} (aq)$ will be ........ $V$.
[Atomic masses (in $u$) $Mn =55 ; Cl =35.5 ; O =16, I =127, Na =23, K =39, S =32]$
How many moles of an oxy acid are formed on hydrolysis of $1$ mole $(X)$ .