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Byju's Answer

Standard XII

Chemistry

Central Atom and Ligands

Write the che...

Question

Write the chemical formula and name the elements present in the following compounds.

a. Sodium chloride

b. Potassium hydroxide

c. Carbon dioxide

d. Calcium oxide

e. Sulphur dioxide

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Solution

Chemical formula Elements present

a Sodium chloride NaCl Sodium (Na), Chlorine (Cl)

b Potassium hydroxide KOH Potassium (K), Oxygen (O), Hydrogen (H)

c Carbon-di-oxide ${CO}_{2}$ Carbon (C), Oxygen (O)

d Calcium oxide CaO Calcium (C), Oxygen (O)

e Sulphur dioxide ${SO}_{2}$ Sulphur (S), Oxygen (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.

Write the balanced chemical equations for the following reactions.

(a) Calcium hydroxide + Carbon dioxide → Calcium carbonate + Water

(b) Zinc + Silver nitrate → Zinc nitrate + Silver

(d) Barium chloride + Potassium sulphate → Barium sulphate +

Potassium chloride

Write the chemical formula and name the elements present in the following compounds.

a. Sodium chloride

b. Potassium hydroxide

c. Carbon dioxide

d. Calcium oxide

e. Sulphur dioxide

Q. Write the chemical formulae of compounds. [4 Marks]

Compound	Chemical formulae
Sodium chloride
Carbon dioxide
Calcium oxide
Potassium hydroxide

Q. write the formula of the following
oxygen ,hydrogen, water, carbon dioxide, copper sulphate ,ferrous sulphate, sodium carbonate, sodium chloride, sodium bicarbonate ,calcium carbonate, silver nitrate ,calcium oxide ,calcium hydroxide ,magnesium hydroxide, potassium nitrate ,sulphuric acid, hydrochloric acid, nitric acid.

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		Chemical formula	Elements present
a	Sodium chloride	NaCl	Sodium (Na), Chlorine (Cl)
b	Potassium hydroxide	KOH	Potassium (K), Oxygen (O), Hydrogen (H)
c	Carbon-di-oxide	${CO}_{2}$	Carbon (C), Oxygen (O)
d	Calcium oxide	CaO	Calcium (C), Oxygen (O)
e	Sulphur dioxide	${SO}_{2}$	Sulphur (S), Oxygen (O)

Write the chemical formula and name the elements present in the following compounds. a. Sodium chloride b. Potassium hydroxide c. Carbon dioxide d. Calcium oxide e. Sulphur dioxide

Chemical formula Elements present a Sodium chloride NaCl Sodium (Na), Chlorine (Cl) b Potassium hydroxide KOH Potassium (K), Oxygen (O), Hydrogen (H) c Carbon-di-oxide CO2 Carbon (C), Oxygen (O) d Calcium oxide CaO Calcium (C), Oxygen (O) e Sulphur dioxide SO2 Sulphur (S), Oxygen (O)

Write the chemical formula and name the elements present in the following compounds.

a. Sodium chloride

b. Potassium hydroxide

c. Carbon dioxide

d. Calcium oxide

e. Sulphur dioxide