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Vera_Pavlovna [14]
3 years ago
12

What happens chemically when quick lime is added to water?

Chemistry
2 answers:
sineoko [7]3 years ago
5 0

Answer:

CaO + H20 => Ca(OH)2

Explanation:

quick lime ia a oxyde and when it reacts with water it gives hydroxide

Masteriza [31]3 years ago
5 0

Answer:

It converts to  calcium hydroxide.

Explanation:

It forms calcium hydroxide.

The balanced equation is:

CaO + H2O ---> Ca(OH)^2.

Calcium hydroxide is an alkali and is also known as slaked lime.

It is quite corrosive and a lot of heat is released during the above reaction.

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It's only a small difference (103 degrees versus 104 degrees in water), and I believe the usual rationalization is that since F is more electronegative than H, the electrons in the O-F bond spend more time away from the O (and close to the F) than the electrons in the O-H bond. That shifts the effective center of the repulsive force between the bonding pairs away from the O, and hence away from each other. So the repulsion between the bonding pairs is slightly less, while the repulsion between the lone pairs on the O is the same -- the result is the angle between the bonds is a little less.

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