The compound Z is

a. Mg base 2[Fe(CN) base 6]

b. Fe base 4[Fe(CN) base 6] base 3

c. Fe[Fe(CN) base 6]

d. K base 2Zn base 3[Fe(CN) base 6] base 2

Total number of structural isomers of 
[Co(NH₃)₆][Cr(CN)₆]

Why is boiling point of Cesium higher than that of Rubidium

 

which isomer mentioned in (a) is water soluble and why?

A gaseous mixture contains CO2 and CO the mass of the mixture is 200g and they are presenting equal fraction of moles . Find the total no. of O-atoms present in the mixture.