Answer to Question #71667 in Inorganic Chemistry for u m e

Question #71667
Question 11 : Among the Group 4 elements moving from carbon to silicon the covalent radius increases sharply afterwards the increase is gradual, this is attributed to __________.
As we move down the group upto silicon, the effect of additional shell leads to a sharp increase in size, subsequently it becomes easy for electron loss, leading to gradual increase in size
As we move down the group after silicon, reduction takes effect as against oxidation leading to gradual increase in size
As we move down the group upto silicon, effective nuclear charge outbalances the effect of additional shell leading to a sharp increase and afterwards gradual increase in size
As we move down the group after silicon, effective nuclear charge outbalances the effect of additional shell leading to only a marginal increase in size

Question 12 : The different layers or molecules of graphite are held together by __________.
Ionic bonds
Covalent bonds
Dative bonds
van der Waals forces
1
Expert's answer
2017-12-10T06:56:07-0500
Question 11 : As we move down the group upto silicon, the effect of additional shell leads to a sharp increase in size, subsequently it becomes easy for electron loss, leading to gradual increase in size
As we move down the group after silicon, reduction takes effect as against oxidation leading to gradual increase in size.

Question 12: Van Der Waals' forces

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