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The Lewis acid strength of and follows the order:
(a)
(b)
(c)
(d)

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Important Questions on The p-block Elements
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Consider the following statements.
: The percentage of character in the orbital forming bonds and bonds in and molecules, respectively, are the same.
: In , the bond angles, instead of being and are and , respectively, due to the repulsions between lone pair and bond pairs of electrons.
: Aqueous is syrupy (i.e., more viscous than water).
: crystal may be considered as a giant molecule in which, eight-membered rings are formed with alternate silicon and oxygen atoms.
Of these:

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