Question

write the balance chemical equation for the reaction ofa)magnesium with dilute hydrochloric acid b)aluminium with dilute hydrochloric acid c)zinc with dilute hydrochloric acid d)iron with dilute hydrochloric acid​

Answer 1

Answer:

Explanation:

a)magnesium with dilute hydrochloric acid

Word equation :-

Magnesium + Hydrochloric acid —> Magnesium chloride + Hydrogen.

Skeleton equation :-

Mg + HCl —> MgCl2 + H2

Balanced equation :-

Mg + 2HCl —> MgCl2 + H2

b)aluminium with dilute hydrochloric acid .

Word equation :-

Aluminium + Hydrochloric acid —> Aluminium chloride + Hydrogen

Skeleton equation :-

Al + HCl —> AlCl3 + H2

Balanced equation :-

2Al + 6HCl —> 2AlCl3 + 3H2

c)zinc with dilute hydrochloric acid

Word equation :-

Zinc + Hydrochloric acid —> Zinc chloride + Hydrogen

Skeleton equation :-

Zn + HCl —> ZnCl2 + H2

Balanced equation :-

Zn + 2HCl —> ZnCl2 + H2

d)iron with dilute hydrochloric acid​

Word equation :-

Iron + Hydrochloric acid —> Ferric Chloride + Hydrogen

Skeleton equation :-

Fe + HCl —> FeCl2 + H2

Balanced equation :-

Fe + 2HCl —> FeCl2 + H2

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We balance equations to see the mass of reactants and products is same ...As it follows law of conservation of mass

•By balancing we can know how many formula units of susbstance has taken place in reaction

Steps to balance equations :-

1)Write the equation with correct chemical formula for reactants and products

2)While Balancing,we must not change the subscripts but we can assign suitable numbers as coefficients

3)The equation must be written in least ratio of whole numbers

4)Verify the equation for balancing of equation on both sides.

Answer 2

a. Magnesium with dilute Hydrochloric acid

Equation -

Magnesium + Hydrochloric acid $\rightarrow$ Magnesium chloride + Hydrogen.

Skeleton Equation -

$\boxed{\sf{Mg + HCl \rightarrow MgCl_2 + H_2}}$

Balanced -

$\boxed{\sf{Mg + 2HCl \rightarrow MgCl_2 + H_2}}$

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b) Aluminium with dilute Hydrochloric acid .

Equation -

Aluminium + Hydrochloric acid $\rightarrow$ Aluminium chloride + Hydrogen

Skeleton Equation -

$\boxed{\sf{Al + HCl \rightarrow AlCl_3 + H_2}}$

Balanced equation -

$\boxed{\sf{2Al + 6HCl \rightarrow 2AlCl_3 + 3H_2}}$

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c) Zinc with dilute Hydrochloric acid

Equation -

Zinc + Hydrochloric acid $\rightarrow$ Zinc chloride + Hydrogen

Skeleton Equation -

$\boxed{\sf{Zn + HCl \rightarrow ZnCl_2 + H_2}}$

Balanced equation -

$\boxed{\sf{Zn + 2HCl \rightarrow ZnCl_2 + H_2}}$

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d) Iron with dilute Hydrochloric acid

Equation -

Iron + Hydrochloric acid $\rightarrow$ Ferric Chloride + Hydrogen

Skeleton Equation -

$\boxed{\sf{Fe + HCl \rightarrow FeCl_2 + H_2}}$

Balanced equation -

$\boxed{\sf{ Fe + 2HCl \rightarrow FeCl_2 + H_2}}$