Which of the following is not a complex?

Potassium ferricyanide

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Ferrous ammonium sulphate

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Potassium ferrocyanide

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Tetraaminecopper (II) sulphate

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Solution

The correct option is B Ferrous ammonium sulphate
All the compounds other than ferrous ammonium sulphate are complexes with a single metal salt. But ferrous ammonium sulphate is a double salt with two different cations.

Note that double salts are different from coordination compounds. All others are coordination compounds, whereas ferrous ammonium sulphate is not a coordination compound and it ionizes into ferrous, ammonium and sulphate ions.

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Similar questions

Q. Write chemical formulas of the following compounds:
(a) Copper (II) sulphate
(b) Calcium fluoride
(c) Aluminium bromide
(d) Zinc sulphate
(e) Ammonium sulphate.

Balance the following reaction:

1.when ammonium hydroxide is added to a solvent of iron (II) Sulphate , a green ppt of iron (II) hydroxide and ammonium sulphate is formed.

2.Zinc reacts with dilute hydrochloric acid to form zinc chloride and hydrogen gas liberated.

Question 10

Barium chloride on reacting with ammonium sulphate forms barium sulphate and ammonium chloride. Which of the following correctly represents the type of the reaction involved?

(i) Displacement reaction
(ii) Precipitation reaction
(iii) Combination reaction
(iv) Double displacement reaction

(a) (i) only
(b) (ii) only
(c) (iv) only
(d) (ii) and (iv)

Question 10

Barium chloride on reacting with ammonium sulphate forms barium sulphate and ammonium chloride. Which of the following correctly represents the type of the reaction involved?

(i) Displacement reaction
(ii) Precipitation reaction
(iii) Combination reaction
(iv) Double displacement reaction

(a) (i) only
(b) (ii) only
(c) (iv) only
(d) (ii) and (iv)

Q. Barium chloride on reacting with ammonium sulphate forms barium sulphate and ammonium chloride. Which of the following correctly represents the type of the reaction involved?
(i) Displacement reaction
(ii) Precipitation reaction
(iii) Combination reaction
(iv) Double displacement reaction

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