Question

what happens when dilute hcl is added to iron fillings?​

Answer 1

Answer:

a) Hydrogen gas and iron chloride are formed.

Explanation:

Let us consider the reaction between acid and metal

Acid + Metal → Salt + Hydrogen gas (H2)

in this case

Acid = Dilute HCl

Metal = Iron (Fe)  

∴ HCl + Fe → FeCl2 + H2

Let us balance the equation,

2HCl + Fe → FeCl2 + H2

when dilute HCl is added to Fe then Ferrous chloride ( FeCl2) and hydrogen gas (H2) will be formed.

Answer 2

Answer

a)

Explanation

When dil. HCL is added to iron fillings h2 gas and iron chloride are produced.

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