Which statement is incorrect about AlCl<sub>3</sub>?

139) Which statement is incorrect about AlCl₃?

Answer is:

Its aqueous solution is basic

Explanation:

Its aqueous solution is acidic.

Inorganic Chemistry MCQ with Answers

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140) Which of the following is basic in nature?

Answer is:

In(OH)₃

Explanation:

(1) is acidic, (2) and (3) are amphoteric, while (4) is basic.

141) Which pair of oxy-acids of phosphorus contain P−H bonds?

Answer is:

H₃PO₃, H₃PO₂

142) SiCl₄ on hydrolysis forms X and HCl. Compound X loses water at 1000^oC and gives Y. Compounds X and Y are respectively:

Answer is:

H₄SiO₄, SiO₂

143) Fluorine is not tested by Beilstein′s test because:

Answer is:

Copper fluoride is not volatile

Explanation:

Fluoride can not be detected by this test because the CuF₂ formed loses fluorine only at a molten stage above 950^oC, which is difficult to be attained in the lab i.e., it is not volatile, and hence, the presence of fluoride can not be detected by this test.

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139) Which statement is incorrect about AlCl3?

Its aqueous solution is basic

Inorganic Chemistry MCQ with Answers

Related Inorganic Chemistry MCQ with Answers

140) Which of the following is basic in nature?

In(OH)3

141) Which pair of oxy-acids of phosphorus contain P−H bonds?

H3PO3, H3PO2

142) SiCl4 on hydrolysis forms X and HCl. Compound X loses water at 1000oC and gives Y. Compounds X and Y are respectively:

H4SiO4, SiO2

143) Fluorine is not tested by Beilstein′s test because:

Copper fluoride is not volatile

Inorganic Chemistry MCQ with Answers

139) Which statement is incorrect about AlCl₃?

In(OH)₃

H₃PO₃, H₃PO₂

142) SiCl₄ on hydrolysis forms X and HCl. Compound X loses water at 1000^oC and gives Y. Compounds X and Y are respectively:

H₄SiO₄, SiO₂