MCQ
The complex ion which has no $'d'$ electrons in the central metal atom is :
- A$[Co(NH_3)_6]^{3+}$
- B$[Fe(CN)_6]^{3-}$
- ✓$[Cr(H_2O)_6]^{3+}$
- D$[MnO_4]^-$
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If $T_1=2 T_2$ and $\left(\Delta G_2^{\Theta}-\Delta G_1^{\varphi}\right)=R T_2 \ln x$, then the value of $x$ is. . . . .
$\left[\Delta G_1^\theta\right.$ and $\Delta G_2^\theta$ are standard Gibb's free energy change for the reaction at temperatures $T_1$ and $T_2$, respectively.]
$(I)$ Acetic acid $(II)\, o-$ nitrophenol $(III)\, m-$ nitrophenol $(IV)\, o-$ boric acid
Select correct alternate
[Assume theat the pre-exponential factor is same in both the cases.
Given $R =8.31 \,J\, K ^{-1} \,mol ^{-1}$ ]
${C_6}{H_5}N{O_2}\xrightarrow{{Sn / HCl}}X\xrightarrow{{{C_6}{H_5}COCl}}Y + HCl$
What is $Y$ ?