Question:

Which of the following oxyacids does not exist ?

Updated On: Jun 7, 2022

$H_3SbO_3$
$HBiO_3$
$H_3AsO_4$
$H_3BiO_4$

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The Correct Option is D

Solution and Explanation

Arsenic forms two oxyacids

H _{3} AsO _{3}

and

H _{3} AsO _{4} .

Antimony forms only one oxyacid

H _{3} SbO _{3}

and bismuth forms only one oxyacid

HBiO _{3}

. Therefore

H _{1} BiO

, does not exist.

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Concepts Used:

P-Block Elements

P block elements are those in which the last electron enters any of the three p-orbitals of their respective shells. Since a p-subshell has three degenerate p-orbitals each of which can accommodate two electrons, therefore in all there are six groups of p-block elements.
P block elements are shiny and usually a good conductor of electricity and heat as they have a tendency to lose an electron. You will find some amazing properties of elements in a P-block element like gallium. It’s a metal that can melt in the palm of your hand. Silicon is also one of the most important metalloids of the p-block group as it is an important component of glass.

P block elements consist of:

Group 13 Elements: Boron family
Group 14 Elements: Carbon family
Group 15 Elements: Nitrogen family
Group 16 Elements: Oxygen family
Group 17 Elements: Fluorine family
Group 18 Elements: Neon family