MCQ
Gradual addition of electronic shells in the noble gases causes a decrease in their
- ✓Ionization energy
- BAtomic radius
- CBoiling point
- DDensity
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$CHC{l_3}\xrightarrow{{Air/hv}}x\xrightarrow[{Excess}]{{{C_6}{H_6}\,/\,Anhy\,AlC{l_3}}}y$ , $y$ will be
$(I)$ the highest oxidation state of iron is $+ 6$ in $K_ 2FeO_4$
$(II)$ that the iron shows $+ 2$ oxidation state with six electrons in the $3d$ orbitals
$(III)$ the common oxidation state of iron is $+3$ with five unpaired electrons in $3d$ orbital
