2D.9

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curry 1E
Posts: 55
Joined: Wed Sep 18, 2019 12:15 am

2D.9

Postby curry 1E » Tue Nov 05, 2019 8:48 am

For this question can someone explain to me what polarizing power is? Thank you

ALegala_2I
Posts: 102
Joined: Thu Jul 11, 2019 12:17 am

Re: 2D.9

Postby ALegala_2I » Tue Nov 05, 2019 9:08 am

The Question for 2.D.9: Arrange the cations Rb+1, Be+2, and Sr+2 in order of increasing polarizing power. Explain your reasoning.

The cations with the smallest radius and largest charge have the greatest polarizing power. Of the three, beryllium has the smallest radius, so it would have the greatest polarizing power. Next, you have to compare Rubidium and Strontium. In this case, strontium has a greater charge than rubidium, indicating that it has a larger polarizing power. So the final answer is Rb+ < Sr 2+ < Be 2+.


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