MCQ
If the cell reaction is spontaneous, then :
- A$E ^{\circ}=- ve$
- B$E ^{\circ}=+ ve$
- ✓$emf =+ ve$
- D$\left(\Delta G + E ^{\circ}\right)=+ ve$
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$3,4,5-$Tribromoaniline $\underset{\text{(ii) }{{H}_{3}}P{{O}_{2}}}{\mathop{\xrightarrow{\text{(i) diazotization}}}}\,\,?$
| List$-I$ | List$-II$ |
| $(a)$ $\left[ Co \left( NH _{3}\right)_{6}\right]\left[ Cr ( CN )_{6}\right]$ |
$(i)$ Linkage isomerism |
| $(b)$ $\left[ Co \left( NH _{3}\right)_{3}\left( NO _{2}\right)_{3}\right]$ |
$(ii)$Solvate isomerism |
| $(c)$ $\left[ Cr \left( H _{2} O \right)_{6}\right] Cl _{3}$ |
$(iii)$ Co-ordination isomerism |
| $(c)$ $cis-[CrCl$ $\left._{2}(\text { ox })_{2}\right]^{3-}$ | $(iv)$ Optical isomerism |
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