Q24 of 53 Page 128

In the following question two or more options may be correct.

Which of the following compounds are readily soluble in water?


Out of the given compounds, BeSO4 and MgSO4 are readily soluble in water. The solubility of the sulphates decreases from CaSO4 to BaSO4. The compounds are readily soluble because the greater hydration enthalpies of Be2+ and Mg2+ ions overcome the lattice enthalpy factor.

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22

In the following question two or more options may be correct.

Metallic elements are described by their standard electrode potential, fusion enthalpy, atomic size, etc. The alkali metals are characterised by which of the following properties?


 23

In the following question two or more options may be correct.

Several sodium compounds find use in industries. Which of the following compounds are used for textile industry?


 25

In the following question two or more options may be correct.

When Zeolite, which is hydrated sodium aluminium silicate is treated with hard water, the sodium ions are exchanged with which of the following ion(s)?


 26

In the following question two or more options may be correct.

Identify the correct formula of halides of alkaline earth metals from the following.