MCQ
The correct order of acidic strength
- ✓$C{l_2}{O_7} > S{O_2} > {P_4}{O_{10}}$
- B${K_2} > CaO > MgO$
- C$C{O_2} > {N_2}{O_5} > S{O_3}$
- D$N{a_2}O > MgO > A{l_2}{O_3}$
Non metallic nature decrease in the order $Cl \,>\, S \,>\, P$.
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$Ag| AgCl | KCl(1\,M) || KBr(1\,M) | AgBr | Ag$
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$R-NH_2$ $\xrightarrow[{HCl}]{{NaN{O_2}}}$ $..................$
(a gas is evolves with brisk effervescene is)
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