NEET Chemistry The s-Block Elements Questions Solved

Mark the incorrect statement:

(A) Alkali metals are strong reducing agents.

(B) The electropositive nature of alkali metals decreases with increase in atomic number.

(C) Alkali metals have relatively low electronegativity values.

(D) On burning in oxygen lithium forms only the monoxide while other alkali metals form peroxides and or superoxides.

(B). Since ionisation energy decreases on moving down the group, the electropositive character increases on moving down from lithium towards cesium.

Difficulty Level:

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