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  • What is the correct order of the following elements with respect to their density ?   Option: 1 <img alt="\mathrm{Zn < Cu < Co < Fe < Cr}" src="https://entrancecorner.codecogs.com/gif.latex?%5Cmathrm%7BZn

What is the correct order of the following elements with respect to their density ?
 
Option: 1 \mathrm{Zn < Cu < Co < Fe < Cr}
Option: 2 \mathrm{Zn < Cr < Fe < Co < Cu}
Option: 3 \mathrm{Cr < Fe < Co < Cu < Zn}
Option: 4 \mathrm{Cr < Zn < Co < Cu < Fe}

Answers (1)

best_answer

The decrease in metallic radius coupled with the increase in atomic mass results in a general increase in the density of these elements. Thus, from titanium (Z = 22) to copper (Z = 29) the a significant increase in the density.

Given data in NCERT.

From the above data, the order will be-

\mathrm{Zn < Cr < Fe < Co < Cu}

Therefore, Option 2 is correct.

Posted by

sudhir.kumar

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