Which of the following properties is not characteristic of electrovalent compounds?

Compounds that have the same molecular formula but different structures are said to be

In which of the following crystals are the particles held by van der Waal's forces only?

A current of 4.0 amperes was passed through copper (ll) tetraoxosulphate (IV) solution for one hour using copper electrodes. What was the mass of copper deposited? (Cu = 64, 1F = 96500 C)

When a crystal was added to its solution, it did not dissolve and the solution remained unchanged, showing that the solution was