JEE Main 2002 Chemistry question
A metal M readily forms its sulphate which is water - soluble. It forms its oxide MO which becomes inert on heating. It forms an insoluble hydroxide which is soluble in NaOH solution. Then is
Answer: (4)
Solution
Be fits all clues: is highly water-soluble (high hydration energy of the small ion); BeO becomes inert/refractory on strong heating; is insoluble in water but, being amphoteric, dissolves in NaOH
See the full step-by-step solution
Create a free account to read the complete working, and practise questions like this in a timed test.
Create a free account