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Standard X

Chemistry

Nitrates

On warming wi...

Question

On warming with potassium nitrite, dilute hydrochloric acid gives _____.

Potassium chloride and oxides of chlorine.

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Potassium chloride and oxides of nitrogen.

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Potassium chloride and hydroxides of chlorine.

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Potassium chloride and hydroxides of nitrogen.

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Solution

The correct option is B
Potassium chloride and oxides of nitrogen.

On warming with potassium nitrite, dilute hydrochloric acid gives potassium chloride and oxides of nitrogen.

$2 K N O_{2} + 2 H C l \to 2 K C l + H_{2} O + N O_{2} + N O$

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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.

Q. Potassium hydroxide + Hydrochloric acid

\to

Potassium chloride + Water

This is a:

Q. Which of the following represents a correct chemical reaction?
(a) nitrogen + oxygen ⟶ hydrogen oxide
(b) carbon + chlorine ⟶ potassium chloride
(c) sulphur + oxide ⟶ sulphur dioxide
(d) sodium + chlorine ⟶ magnesium chloride

Identify the odd one out and justify.

(a) Chloride, nitrate, hydride, ammonium

(b) Hydrogen chloride, sodium hydroxide, calcium oxide, ammonia

(d) Ammonium chloride, sodium chloride, potassium nitrate, sodium sulphate

(e) Sodium nitrate, sodium carbonate, sodium sulphate, sodium chloride

(f) Calcium oxide, magnesium oxide, zinc oxide, sodium oxide.

(g) Crystalline blue vitriol, crystalline common salt, crystalline ferrous sulphate, crystalline sodium carbonate.

(h) Sodium chloride, potassium hydroxide, acetic acid, sodium acetate.

Q. When chlorine gas is passed through potassium bromide solution, potassium chloride and bromine are formed. Which is a more reactive non-metal: bromine or chlorine? Give reasons for your answer.

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On warming with potassium nitrite, dilute hydrochloric acid gives _____.

The correct option is B Potassium chloride and oxides of nitrogen. On warming with potassium nitrite, dilute hydrochloric acid gives potassium chloride and oxides of nitrogen. 2KNO2+2HCl→2KCl+H2O+NO2+NO

The correct option is B
Potassium chloride and oxides of nitrogen.

On warming with potassium nitrite, dilute hydrochloric acid gives potassium chloride and oxides of nitrogen.

$2 K N O_{2} + 2 H C l \to 2 K C l + H_{2} O + N O_{2} + N O$