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Select the correct satements ....

Select the correct satements .

A

The heat of hydrogen of the dipositive earth metal ions increases with an increase in their ionic size

B

Hydration of alkali metal ions is less than that of group 2

C

Alkaline earth metal ions because of their much larger charge to size ratio exert a much stronger electrostaic attaction on the oxygen of water molecule surrounding them .

D

Melting point of sodium halides is as follows `NaF gt NaCI gt NaBr gt Nal` .

Text Solution

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The correct Answer is:
B, C, D
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