AIIMS2010Chemistry-Chemical Bonding
AIIMS 2010 Chemistry Covalent and Ionic Character Assertion Reason Question
Type: Assertion Reason-conceptual-Medium-Class 11
Assertion: PCl₅ is covalent in gaseous and liquid states but ionic in solid state. Reason: PCl₅ in solid state consists of tetrahedral PCl₄⁺ cation and octahedral PCl₆⁻ anion.
A
If both assertion and reason are true and reason is the correct explanation of assertion.
B
If both assertion and reason are true but reason is not the correct explanation of assertion.
C
If assertion is true but reason is false.
D
If both assertion and reason are false.
Correct Answer
Option A
Detailed Explanation
PCl5 is trigonal bipyramidal containing sp3d hybridized P atom in liquid and gaseous states whereas in solid state it consists of tetrahedral PCl4 cation and octahedral PCl6 anion.
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