Which of the following statements is true about Ca(OH)2?
(i) It is used in the preparation of bleaching powder
(ii) It is a light blue solid
(iii) It does not possess disinfectant property.
(iv) It is used in the manufacture of cement
Which of the following statements is true about Ca(OH)2?
(i) It is used in the preparation of bleaching powder
(ii) It is a light blue solid
(iii) It does not possess disinfectant property.
(iv) It is used in the manufacture of cement
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1 Answer
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This is a multiple choice type question as classified in NCERT Exemplar
Correct option (i)
Calcium hydroxide is used in the preparation of bleaching powder. It reacts with chlorine to form hypochlorite, a constituent of bleaching powder.
Ca (OH)2+Cl2→CaCl2+H2O+Ca (OCl)2
It is a white amorphous powder and is sparingly soluble in water.
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