Long Answer Type
Short Answer TypeLong Answer TypeWhat happens when:
(i) Lithium reacts with air
(ii) Lithium reacts with water
(iii) Lithium reacts with halogen
(iv) Lithium reacts with acids?
Short Answer TypeAccount for the following:
(i) Lithium can not form monovalent cation (Li+) easily.
(ii) Lithium iodide is more covalent than lithium fluoride.
Name a few important uses of lithium.
Important uses of lithium:
(i) Lithium is used as deoxidiser in the purification of copper and nickel.
(ii) Lithium is used as a getter or scavenger.
(iii) Lithium bromide is used in medicines as a sedative.
(iv) Lithium carbonate is used in making a special variety of glass.
(v) Lithium aluminium hydride (LiAlH4) is used as a reducing agent in synthetic organic chemistry.
Long Answer TypeWhat difficulities arise in the extraction of sodium? How these difficulties are overcome?
Short Answer TypeWhat happens when:
(i) sodium reacts with hydrogen halide,
(ii) sodium reacts with acetylene,
(iii) sodium is heated with hydrogen and
(iv) sodium is treated with mercury ?
Switch
