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Grade: 12
        Order of hydrated size in Al+3,Mg+2,Na+1  ,conductivity, ionic mobility is
10 months ago

Answers : (1)

Arun
14829 Points
							Al+3 and Mg+2 have same number of electrons(isoelectronic) yet Al+3 has 1 more proton as compared to Mg+2, hence the effective nuclear charge is more which means the electrons of Al+3 are tightly bounded (smaller size) as compared to Mg+2.Since the size of the Al+3 is smaller,hence the hydration energy is also greater..Hence order of hydrated size = Al+3 > Mg+2> Na+1
						
10 months ago
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