MCQ
In the following which species does not contain $s{p^3}$ hybridization
- A$SO_4^{2 - }$
- B$C{H_4}$
- C${H_2}O$
- ✓$C{O_2}$
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Statement $-I :$ Retardation factor $\left( R _{ f }\right)$ can be measured in meter/centimeter.
Statement $-II :$ $R _{ f }$ value of a compound remains constant in all solvents.
Choose the most appropriate answer from the options given below
$B$ is

Statement $I :$ The $E ^{\circ}$ value of $Ce ^{4+} / Ce ^{3+}$ is $+1.74 \,V$
Statement $II :$ $Ce$ is more stable in $Ce ^{4+}$ state than $Ce ^{3+}$ state.
In the light of the above statements, choose the most appropriate answer from the options given below