MEDIUMMCQ SINGLEJEE Mains ChemistryInorganic ChemistryPeriodic PropertiesPrevious Year Questions
The increasing order of the density of alkali metal is (Kerala CEE 2011)
A.Li < K < Na < Rb < Cs✓ Correct
B.Li < Na < K < Rb < Cs
C.Cs < Rb < Na < K < Li
D.Cs < Rb < K < Na < Li
Explanation
On moving down in a group, density increases but the density of K is somewhat lesser than that of Na. Due to abnormal increases in size of K atom. Thus, the order of density is Li < K < Na < Rb < Cs PERIODIC PROPERTIES 55
Practice More Like This
Take chapter-wise tests, track your progress, and master Periodic Properties.
Start Free Practice →