The S Block Element Set 2

✘ ✘ ✘ ✔ NULL ✔ NULL NULL

✘ ✘ ✘ ✔ NULL ✔ NULL NULL

In the Castner's process of sodium extraction, NaCl is used as an electrolyte. ✘ Sodium reduces to carbon. ✘ Mg reacts with cold water and liberate hydrogen gas. ✘ Magnalium is an alloy of Mg and Zn. ✔ NULL ✔ NULL NULL

✘ ✘ ✘ ✔ NULL ✔ NULL NULL

✘ ✘ ✘ ✔ NULL ✔ NULL NULL

Golden yellow colour ✘ Crimson red colour ✘ Brick red colour ✘ Violet colour ✔ NULL ✔ NULL NULL

✘ ✘ ✘ ✔ NULL ✔ NULL NULL

✘ ✘ ✘ ✔ NULL ✔ NULL NULL

Low ionization potential of sodium ✘ Photosensitivity of sodium ✘ Sublimation of metallic sodium to give yellow vapour ✘ Emission of excess of energy absorbed as a radiation in the visible region ✔ NULL ✔ NULL NULL

Electronegativity ✘ First ionization energy ✘ Ionic radius ✘ Melting point ✔ NULL ✔ NULL NULL