For alkali metals, which one of the following | vedclass

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(C) In general, density increases on moving downward in a group, but the density of potassium $(K)$ is lower than that of sodium $(Na)$.This is due to

Vedclass · Accepted Answer

Density: $Li < Na < K < Rb$

Vedclass · Answer

(C) In general, density increases on moving downward in a group, but the density of potassium $(K)$ is lower than that of sodium $(Na)$.This is due to an abnormal increase in atomic size from $Na$ $(186 	ext{ pm})$ to $K$ $(227 	ext{ pm})$.Therefore, the correct order of density is $Li Thus, the trend given in option $C$ is incorrect.

For alkali metals, which one of the following trends is incorrect?

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