MCQ
Which solution of $NaNO_3$ will have maximum specific conductance ............ $\mathrm{N}$
- A$0.2$
- ✓$0.25$
- C$0.02$
- D$0.04$
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$Ag\,\,(s)\,\, \to \,A{g^{2 + }} + 2{e^ - }\,;\,E = - 0.80\,V$ Which of the following reactions actually take place
$(I)$ $-OAc$ $(II)$ $-OMe$
$(III)$ $-O-SO_2-Me$ $(IV)$ $-O-SO_2-CF_3$
The order of leaving power is :
$(i)$ $A$ and $D$ both form blue-violet colour with ninhydrin.
$(ii)$ Lassaigne extract of $\mathrm{C}$ give positive $\mathrm{AgNO}_{3}$ test and negative $\mathrm{Fe}_{4}\left[\mathrm{Fe}(\mathrm{CN})_{6}\right]_{3}$ test.
$(iii)$ Lassaigne extract of $\mathrm{B}$ and D gives positive sodium nitroprusside test
Based on these observations which option is correct ?