Question

an aluminum strip is kept immersed in freshly prepared ferrous sulphate solution taken in a test tube the change is observed is that?(a) green solution slowly turns brown (b) lower end of test tube become slighty warm (c) a colorless gas with smell of burning sulphur is observed(d) light green solution change to blue​

Answer 1

Answer:

The lower end of the test tube becomes slightly warm.

Explanation:

The lower end of the test tube becomes slightly warm because the reaction is exothermic.

Aluminium displaces iron from the ferrous sulphate because it is higher in the reactivity series than iron.

The green solution turns colourless and a white crystalline salt of aluminium sulphate is observed.The salt is hygroscopic in nature.

Answer 2

Explanation:

lower end of test tube becomes slightly warm