The S Block Element Set 3

Sodium contains only one electron in outermost shell ✘ First ionization potential is small and the difference in first and second ionization potentials is very large ✘ Radius of is much smaller than of ✘ None of the above ✔ NULL ✔ NULL NULL

is more soluble ✘ is less soluble ✘ is more soluble than ✘ is less soluble than ✔ NULL ✔ NULL NULL

burns in air releasing dazzling light rich in UV rays ✘ when mixed with ice gives, freezing mixture ✘ cannot form complexes ✘ can form complexes due to its very small size ✔ NULL ✔ NULL NULL

Oxygen ✘ Chlorine ✘ Hydrogen ✘ Air ✔ NULL ✔ NULL NULL

Castner- Kellner process ✘ Solvay process ✘ Brine process ✘ Mond's process ✔ NULL ✔ NULL NULL

Their nitrates decompose on heating to give ✘ Their carbonates decompose on heating to give and the metal oxide. ✘ They react with oxygen to give mainly the oxide ✘ They react with halogens to give the halides ✔ NULL ✔ NULL NULL

K ✘ Na ✘ Al ✘ Mg ✔ NULL ✔ NULL NULL

✘ ✘ ✘ ✔ NULL ✔ NULL NULL

✘ ✘ ✘ ✔ NULL ✔ NULL NULL

✘ ✘ ✘ ✔ NULL ✔ NULL NULL