MCQ
Which is the most covalent
- A$C - O$
- B$C - Br$
- ✓$C - S$
- D$C - F$
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$II.$ The ionization energy generally increases with increasing atomic number in a period.
$III.$ The electronegativity of an element is the tendency of an isolated atom to attract an electron.
Which of the above statements is/are correct?
$[K_b\,(CH_3COO^-) =10^{-9},pK_a\,(HPh)=9.6,log\,2 =0.3]$