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Grade:

                        

what is the trend (decres/incre) in the solubility of alkali halides and alkaline halides. some books say diff trends for fluorides. pl tell for following two cases for each 1. when metal fixed and halogen changes down the group. 2. when halogen fixed and metal changes down the group.

9 years ago

Answers : (1)

NEERAJ DUBEY
29 Points
							

Table – III

Compound

Lattice energy

Hydration* energy

Solubility

Melting point

LiCl

-845

-876

63.7

887

NaCl

-770

-776

35.7

1084

KCl

-703

-700

34.7

1039

RbCl

-674

-680

77.0

988

CsCl

-644

-646

162

925

NaF

-893

-919

4.22

1261

NaCl

-770

-776

35.7

1028

NaBr

-730

-745

116

1084

NaI

-685

-685

184

944

LiF

-1005

-1019

0.27

1115

CsI

-582

-670

44.0

1115

on the basis of data given trend in solubility of alkali metal halide can be calculated

 

 

NaI>CsCl>NaBr>and so on ................

9 years ago
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