MCQ
Those elements whose two outermost orbitals are incompletely filled with electrons are
- A$p -$ block elements
- B$s -$ block elements
- ✓Transitional elements
- DBoth $ s$ and $p -$ block elements
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Sum of the number of methylene groups $\left(- CH _2-\right.$ ) and oxygen atoms in $R$ is. . . .
Given : $K _{ sp } Cu ( OH )_2=1 \times 10^{-20}$
$\operatorname{Take} \frac{2.303 RT }{ F }=0.059 \,V$
The reduction potential at $pH =14$ for the above couple is $(-) x \times 10^{-2}\,V$. The value of $x$ is $........$.