MCQ
Beryllium and aluminum exhibit many properties which are similar. But the two elements differ in :
- ✓Maximum covalency in compounds
- BExhibiting amphoteric nature in their oxides
- CForming covalent halides
- DForming polymeric hydrides
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$(I) 0.5\ mole$ of $O_3$ $(II) 0.5\ gm$ atom of oxygen $(III) 3.011 \times 10^{23}$ molecules of $O_2$ $(IV) 5.6\ litre$ of $CO_2$ at $STP$
${N_2}{O_4}(g) \rightleftharpoons 2N{O_2}(g),\,\,\frac{{{K_c}}}{{{K_p}}}$ is
