1).why atomic radii of Ga is smaller than Al. .........2)what is inert pair effect?........... 3)BCl3 acts as a lewis acid. how?.......
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Ans:-1 The atomic radius of the Ga is less than Al because of poor screening effect. ... This makes the pronunced effect of nuclear charge (Zeff) and we find reduction in atomic radius of Gallium. It is thus diffused d-orbitals and their inability to shield the strong +ve charge which changes the trend of Atomic radius.
Ans:- 2 The inert pair effect is the tendency of the two electrons in the outermost atomic s orbital to remain unionized or unshared in compounds of post-transition metals.
Ans:-3 For BCl3 to be a Lewis acid, it would have to react in such a way that it accepted a lone pair from some other atom or molecule (from a Lewis base). It turns out that boron very readily accepts electrons from other molecules, which is why it generally behaves as a Lewis Acid.
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Ans:- 2 The inert pair effect is the tendency of the two electrons in the outermost atomic s orbital to remain unionized or unshared in compounds of post-transition metals.
Ans:-3 For BCl3 to be a Lewis acid, it would have to react in such a way that it accepted a lone pair from some other atom or molecule (from a Lewis base). It turns out that boron very readily accepts electrons from other molecules, which is why it generally behaves as a Lewis Acid.
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