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Karnataka Board PUCPUC Science Class 11

Which of the following statements is true about Ca(OH)2? - Chemistry

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Question

Which of the following statements is true about Ca(OH)2?

Options

  • It is used in the preparation of bleaching powder.

  • It is a light blue solid.

  • It does not possess disinfectant property.

  • It is used in the manufacture of cement.

MCQ
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Solution

It is used in the preparation of bleaching powder.

Explanation:

Calcium hydroxide is used in the preparation of bleaching powder. It reacts with chlorine to form hypochlorite, a constituent of bleaching powder.

\[\ce{Ca(OH)2 + Cl2 -> CaCl2 + H2O + Ca(OCl)2}\]

It is a white amorphous powder and is sparingly soluble in water.

It possess disinfectant property and therefore, is used in white ash.

Cement is made from calcium oxide and the addition of other material such as clay, silica.

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Some Important Compounds of Calcium
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Chapter 10: The s-block Elements - Multiple Choice Questions (Type - I) [Page 128]

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NCERT Exemplar Chemistry [English] Class 11
Chapter 10 The s-block Elements
Multiple Choice Questions (Type - I) | Q 19 | Page 128

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