HARDINTEGERIChO (Chemistry Olympiad)Inorganic ChemistryChemical BondingAchiever Section
Given the correct order of initials T or F for the following statements. Use T is statement is true and F if it is false: (I) The order of repulsion between different pair of electrons is LP – LP > LP –BP > BP – BP (II) In general, as the number of lone pairs of electrons on the central atom increases, the value of bond angle from normal bond angle also increases. (III) The number of lone pair on O in H O is 2 while on N in NH is 1 (IV) The structures of xenon fluorides and xenon oxyfluorides could not be explained on the basis of VSEPR theory
Answer
B
Explanation
(I) According to VSEPR repulsion is LP LP LP BP BP BP (II) Bond angle 1 Bond angle LP on central atom (III) 2 H O 2LP → 3 NH 1LP → (IV) The structure of xenon fluoride and xenon oxyfluoride can be explained on the basis of VSEPR theory
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