MCQ
Chlorine is in $+1$ oxidation state in
- A$HCl$
- B$HCl{O_4}$
- C$ICl$
- ✓$C{l_2}O$
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$PC{l_{3(g)}}\, + \,C{l_2}(g)\, \rightleftharpoons \,PC{l_{5(g)}}$
$II.$ 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?
