MCQ
Which complex is likely to show optical activity?
- ✓trans $-[Co(NH_3)_4 Cl_2]^+$
- B$[Cr(H_2O)_6]^{3+}$
- Ccis $- [Co(NH_3)_2 (en)_2 ]$
- Dtrans $-[Co(NH_3)_2 (en)_2]^{3+}$
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$[P]\xrightarrow{\begin{subarray}{l}
(i)\,NAN{O_2}/HCl,\,0 - {5^o}C \\
(ii)\,\beta - napthol/NaOH
\end{subarray} }Colored\,\,Solid$
$[P]\xrightarrow{{B{r_2}/{H_2}O}}{C_7}{H_6}NB{r_3}$
The compound $[P]$ is

$A\,\xrightarrow{{H{g^{2 + }}\,/\,{H^ + }}}B\,\xrightarrow{{NaB{H_4}}}C\,\xrightarrow[{conc.\,\,HCl}]{{ZnC{l_2}}}$ Turbidity within $5$ minutes.
Consider the following reactions $‘A’$ is

Reason : Alcohols leading to conjugated alkenes are dehydrated to a greater extent