NEET Chemistry The s-Block Elements Questions Solved


Which alkali metal has the lowest melting point and exists as a liquid –

(A) Na                                                             

(B) K 

(C) Rb                                                             

(D) Cs

(D). Melting points and boiling points decrease on moving down the group from Li to Cs. The cesium metal exists as liquid at normal temperature of about 30°C. The m.p. of Cs is 29°C.

Difficulty Level:

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