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JEE CHEMISTRY MCQ: CHEMICAL BONDING & MOLECULAR STRUCTURE
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Analyzing
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Read the following statements and choose the correct option. Here T stands for True and F stands for False statement.
(i) The smaller the size of the cation and the larger the size of the anion, the greater the covalent character of an ionic bond.
(ii) The smaller the charge on the cation, the greater the covalent character of the ionic bond.
(iii) For cations of the same size and charge, the one, with electronic configuration , typical of transition metals, is more polarising than the one with a noble gas configuration, , typical of alkali and alkaline earth metal cations.
(i) The smaller the size of the cation and the larger the size of the anion, the greater the covalent character of an ionic bond.
(ii) The smaller the charge on the cation, the greater the covalent character of the ionic bond.
(iii) For cations of the same size and charge, the one, with electronic configuration , typical of transition metals, is more polarising than the one with a noble gas configuration, , typical of alkali and alkaline earth metal cations.
View answer and explanation
Correct option: C
TFT
Option C (TFT) is correct because the first statement is true, the second is false (covalent character increases with charge), and the third is true (transition metals are more polarizing).
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Assertion (A) : is a weaker Lewis acid than .
Reason (R) : The planar molecule is stabilised to a greater extent than by -bonding.
Reason (R) : The planar molecule is stabilised to a greater extent than by -bonding.