Question

6. E is a metal which forms two chlorides ECl2 and ECl3 .E2 O3 is not effected by water.name the metal .Give its reaction with water.​

Answer 1

Hi,

Here is your answer

Given:

• E is a metal
• It forms dichloride and trichloride
• The trioxide of the metal is not affected by water

To Find:

The metal E

Solution:

The element which satisfies all the given conditions is Iron(Fe). It forms ferrous chloride(FeCl₂) and ferric chloride(FeCl₃). Its oxide Fe₂O₃(Ferric oxide) is insoluble in water and does not react with it.

4Fe+6H₂O⇒2Fe₂O₃+6H₂

Notes:

1. The atomic number of iron is 26. It belongs to the d block in the period table.

2. It occupies group 8 and period 4 of the periodic table.

Hope this helps you.