Which of the following statements is (are) correct?

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Hydrolysis of $B r F_{5}$ gives $H B r O_{3}$

$I F_{7}$ is stable than $I F$

$I F_{3} & B r F_{3}$ is isostructural

$C l F_{3}$ is planar and polar

answer is A, B, C, D.

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Detailed Solution

Statement (a): Iodine trifluoride (IF₃) and bromine trifluoride (BrF₃) are isostructural.

Both IF₃ and BrF₃ are T-shaped due to the presence of three bonding pairs and two lone pairs of electrons on the central atom.
This makes them isostructural, meaning they have the same molecular geometry.

Correctness: True.

Statement (b): Chlorine trifluoride (ClF₃) is planar and polar.

ClF₃ is actually T-shaped, not planar.
The molecule is polar because of the uneven distribution of electrons and the presence of lone pairs on chlorine.

Correctness: False (It is polar but not planar).

Statement (c): Iodine heptafluoride (IF₇) is more stable than iodine monofluoride (IF).

IF₇ is a stable molecule with a pentagonal bipyramidal structure, formed by a strong bonding of iodine with seven fluorine atoms.
IF is less stable due to the weak bond between iodine and a single fluorine atom, making it reactive.

Correctness: True.

Statement (d): Hydrolysis of bromine pentafluoride (BrF₅) gives bromic acid (HBrO₃).