Which among the following statement is not correct –
(A) Lithium is softest among all the alkali metals
(B) Lithium possesses higher melting and boiling points
(C) It is least reactive among alkali metals
(D) It forms chloride which is soluble in alcohol
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(A). Lithium is harder than other alkali metals. In a group the softness of metal increases from top to bottom as the strength of metallic bond decreases.