MCQ
Select the correct diagram related to nitric oxide
- ✓

- B

- C

- D






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Statement $I :$ The presence of weaker $\pi$ - bonds make alkenes less stable than alkanes.
Statement $II :$ The strength of the double bond is greater than that of carbon-carbon single bond.
In the light of the above statements, choose the correct answer from the options given below.

(use $R =0.083 L\,bar\,mol ^{-1}\, K ^{-1}$ )
$(I)$ 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
