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Mademuasel [1]
3 years ago
11

Given li2, c2, s2, and cl2, which of these species is paramagnetic? view available hint(s) g.com

Chemistry
1 answer:
Lady_Fox [76]3 years ago
7 0
Compounds containing unpaired electrons are paramagnetic in nature, while compounds containing no unpaired electrons are diamagnetic in nature. 

Attached is the molecular orbital diagram of S2 molecule. For the MOT diagram it can be seen that S2 molecule has two unpair electron in two π* orbital. Due to this, it is paramagnetic in nature.

In contrast to this, Li2, C2 and Cl2 have no unpaired electrons. Hence they are diamagnetic in nature. 



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How many moles of potassium hydroxide are needed to completely react with 2.94 moles of aluminum sulfate
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Answer:- Third choice is correct, 17.6 moles


Solution:- The given balanced equation is:


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We are asked to calculate the moles of potassium hydroxide needed to completely react with 2.94 moles of aluminium sulfate.


From the balanced equation, there is 1:6 mol ratio between aluminium sulfate and potassium hydroxide.


It is a simple mole to mole conversion problem. We solve it using dimensional set up as:


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