Question

Lime water reacts with chlorine to formLime water reacts with chlorine to form (in equation)
(a) CaCl2
(b) CaOCl2
(c) Ca(ClO3)2
(d) CaO2Cl2​

Answer 1

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Answer:

(c) Ca(ClO₃)₂

Explanation:

From the earliest of times, lime has been made by heating limestone to high temperatures. Production methods have evolved from heating limestone in open fires, to the use of brick lime kilns at the start of the 17th century, to today’s horizontal rotating kilns several metres in diameter and up to 100 metres in length. These modern kilns operate at a temperature of about 1100-1200°C, allowing rapid conversion of limestone into lime.

CaCO3(s) limestone → CaO(s) lime + CO2(g) carbon dioxide

CaO(s) lime  +  H2O(l) water  →  Ca(OH)2(s) slaked lime

Ca(OH)2(s) slaked lime  +  H2O(l) water  →  Ca(OH)2(aq) limewater

Ca(OH)2(aq) limewater  +  CO2(g) carbon dioxide  →  CaCO3(s) calcium carbonate  +  H2O(l) water

Lime reacts with acidic gases like sulfur dioxide.

CaO(s) lime  +  SO2(g) sulfur dioxide  →  CaSO3(s) calcium sulfite

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Answer 2

from the earliest of time lime has been made by heating limestone to high temperatures. production method have evolved form heating limestone in open fire to the use of big lime kilns

at the start of the 17th century to today's horizontal rotating kilns several metres in diameter and up hundred metres in length. this modern kilns operate at a temperature of about 1100- 1200 °C

allowing rapid conversion of limestone into lime......

Lime reacts readily with water to produce slaked lime, which is the chemical compound calcium hydroxide. A considerable amount of heat energy is released during this reaction. ...

CaCO3(s) limestone:CaO(s) lime +CO2(g) carbon dioxide

CaO(s)

lime

+

H2O(l)

water. :: Ca(OH)2(s)

slaked lime.......

Ca(OH) 2(s)

slaked lime

+

H2O(l)

water

= Ca(OH)2(aq)

limewater

+

CO2

carbon dioxide

=

CaCO3(s)

calcium carbonate

+

water

lime react with acidic gas like sulfur dioxide

lime

+

Sulfur dioxide

CaSO3(s)

calcium sulfite

Option: c

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