Which element from the following rapidly lose | vedclass

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

Question

(C) Elements of group $1$ (alkali metals) are highly reactive. They rapidly lose their metallic luster in air due to the formation of a surface layer

Vedclass · Accepted Answer

$K$

Vedclass · Answer

(C) Elements of group $1$ (alkali metals) are highly reactive. They rapidly lose their metallic luster in air due to the formation of a surface layer of oxide,peroxide,or superoxide by reacting with oxygen and moisture in the air. Among the given options,$K$ (potassium) is an alkali metal belonging to group $1$,while $Ba$,$Be$,and $Mg$ are alkaline earth metals (group $2$),which are relatively less reactive.

Which element from the following rapidly loses its luster in air and tarnishes?

Similar Questions

Which of the following is $NOT$ present in baking powder?

Which of the following is most soluble in water?

The strongest reducing agent among the alkali metals is

From which of the following minerals is $Ra$ (Radium) obtained?

$KO_2$ (Potassium superoxide) is used in confined spaces and submarines because it

Vedclass Test Series

Exam Paper Generator

Online Exam Module