p-Block elementsHard

Question

When zeolite, which is hydrated sodium aluminium silicate, is treated with hard water, the sodium ions are exchanged with :

Options

A.H+ ions
B.Ca2+ ions
C.SO42- ions
D.Mg2+ ions

Solution

Ca2+ and Mg2+ are responsible for hardness of water. They are exchanged by Na+ of zeolites.
Na2 - Z + Ca2+ → 2Na+ + Ca - Z

Create a free account to view solution

View Solution Free
Topic: p-Block elements·Practice all p-Block elements questions

More p-Block elements Questions

Nitrolium is ;...In the reaction, H2SO4 + P2O5 (X) + SO3 ; the product (X) is :...Which one of the following species is no pseudo halide ?...Which of the following oxides is amphoteric in nature ?...Which of the following halides is lest stable and has doubtful existence ?...