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Standard X

Chemistry

Decomposition Reaction

Wreite the ba...

Question

Wreite the balanced chemical equation of the following word equation.
$(p)$ Potassium dichromate $+$ hydrochloric acid $\to$ potassium chloride $+$ chromium chloride $+$ water $+$ chlorine

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Solution

Balanced chemical equation

$K_{2} C r_{2} O_{7} + 14 H C l \to 2 K C l + 2 C r C l_{3} + 7 H_{2} O + 3 C l_{2}$

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Similar questions

Write the balanced chemical equations of the following reactions.

(a) Sodium hydroxide + sulphuric acid $\to$ sodium sulphate + water

(b) Potassium bicarbonate + sulphuric acid $\to$ potassium sulphate + carbon dioxide + water

(d) Chlorine + sulphur dioxide + water $\to$ sulphuric acid + hydrogen chloride

(e) Silver nitrate $\to$ silver + nitrogen dioxide + oxygen

(f) Copper + nitric acid $\to$ copper nitrate + nitric oxide + water

(g) Ammonia + oxygen $\to$ nitric oxide + water

(h) Barium chloride + sulphuric acid $\to$ barium sulphate + hydrochloric acid

(i) Zinc sulphide + oxygen $\to$ zinc oxide + sulphur dioxide

(j) Aluminium carbide + water $\to$ aluminium hydroxide + methane

(k) Iron pyrites ( $F e S_{2}$ ) + oxygen $\to$ ferric oxide + sulphur dioxide

(l) Potassium permanganate + hydrochloric acid $\to$ potassium chloride + manganese chloride + chlorine + water

(m) Aluminium sulphate + sodium hydroxide $\to$ sodium sulphate + sodium meta aluminate + water.

(n) Aluminium + sodium hydroxide + water $\to$ sodium meta aluminate + hydrogen

(o) Potassium dichromate + sulphuric acid $\to$ potassium chloride + chromium chloride + water + chlorine.

(p) Sulphur + nitric acid $\to$ sulphuric acid + nitrogen dioxide + water.

(q) Sodium chloride + manganese dioxide + sulphuric acid $\to$ sodium hydrogen sulphate + manganese sulphate + water + chlorine.

Write the chemical formula and hence balance the following word equation:

$Lead Dioxide + (conc .) hydrochloric acid \to lead chloride + water + chlorine$

Q. Question 7.4
Write the balanced chemical equation for the following reaction:
Barium chloride + Potassium sulphate

\to

Barium sulphate + Potassium chloride

Q. Write the balanced chemical equation of the following word equation.
l) Potassium permanganate

+

hydrochloric acid

\to

Potassium chloride

+

manganese chloride

+

chlorine

+

water

Write the balanced chemical equation of the following word equation

$PotassiumDichromate+SulphuricAcid→PotassiumSulphate+ChromiumSulphate+Water+Oxygen$

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Decomposition Reaction

Standard X Chemistry

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Wreite the balanced chemical equation of the following word equation. (p) Potassium dichromate + hydrochloric acid → potassium chloride + chromium chloride + water +chlorine

Balanced chemical equation K2Cr2O7+14HCl→2KCl+2CrCl3+7H2O+3Cl2

Wreite the balanced chemical equation of the following word equation.
$(p)$ Potassium dichromate $+$ hydrochloric acid $\to$ potassium chloride $+$ chromium chloride $+$ water $+$ chlorine

Balanced chemical equation

$K_{2} C r_{2} O_{7} + 14 H C l \to 2 K C l + 2 C r C l_{3} + 7 H_{2} O + 3 C l_{2}$