MCQ
Select correct match
Anions $-$ Separated by reagent
- ✓$CO_3^{2-},\,SO_3^{2-}$ $-$ $BaCl_2$
- B$CO_3^{2-},\,HCO_3^{-}$ $-$ $CaCl_2$
- C$SO_3^{2-},\,SO_4^{2-}$ $-$ $(CH_3COO)_2Pb$
- D$Cl^-,\,Br^-$ $-$ $AgNO_3$
Anions $-$ Separated by reagent
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$\Delta {H^o}\, = \, +234.1\,\,kJ$
$C(s)\, + {O_2}(g)\, \to \,\,C{O_2}(g)$
Use these equation and $\Delta H^o$ value to calculate $\Delta H^o$ for this reaction:
$4Fe(s) + 3O_2(g) \to 2Fe_2O_3(s)$
.....$kJ$
$(a)$ Ionisation energy $(Na < Li < B < Be)$
$(b)$ Electron affinity $(N < P < O < S)$
$(c)$ Electron negativity $(S < O < Cl < F)$
$(d)$ Atomic radii $(F < N < O < Na)$