Question:
: $SeCl_4$ does not have a tetrahedral structure.
:$Se$ in $SeCl_4$ has two lone pairs.
: $SeCl_4$ does not have a tetrahedral structure.
:$Se$ in $SeCl_4$ has two lone pairs.
Updated On: Jul 2, 2022
- Both Assertion and Reason are true and Reason is the correct explanation of Assertion.
- Both Assertion and Reason are true but Reason is not the correct explanation of Assertion.
- Assertion is true but Reason is false
- Both Assertion and Reason are false.
Show Solution
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The Correct Option is C
Solution and Explanation
$SeCl _{4}$ has see-saw geometry i.e., distorted trigonal pyramidal geometry (VSEPR theory). In this Se molecule has only one lone pair and hence it undergoes $s p^{3} d$ hybridisation.
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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