MCQ
If the difference in electronegativities of two elements is very large, then
- AThe bond is $50\%$ ionic
- BThe bond is $100\%$ covalent
- CThe bond is more covalent than ionic
- ✓The bond is more ionic than covalent
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${ }^{-} \mathrm{OH}, \mathrm{R} \overline{\mathrm{O}}, \mathrm{CH}_3 \mathrm{CO} \overline{\mathrm{O}}, \mathrm{C} \overline{1}$
$2{H_2}O \rightleftharpoons {H_3}{O^ + } + O{H^ - }$ ,
the value of $\Delta {G^o}$ at $298\,K$ is approximately .......$kJ\,mol^{-1}$