MCQ
Which compound does not react with $NaHCO_3$
- ASquaric acid
- BSalicylic acid
- ✓Carbolic acid (phenol)
- DAcetic acid
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$\Psi_{2 s}=\frac{1}{2 \sqrt{2 \pi}}\left(\frac{1}{a_0}\right)^{1 / 2}\left(2-\frac{ r }{ a _0}\right) e ^{- r / 2 a _0}$
At $r=r_0$, radial node is formed. Thus, $r_0$ in terms of $a_0$

