MCQ
Which element has the lowest electronegativity
- ✓$Li$
- B$F$
- C$Fe$
- D$Cl$
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$C{r_2}O_7^{2 - } + F{e^{2 + }} + {C_2}O_4^{2 - } \to C{r^{3 + }} + F{e^{3 + }} + C{O_2}$ (Unbalanced)

(Given : $\ln 2=0.693$ )