Question:
Which of the following statements are correct?
I) $\ce{P_4}$ molecule is very reactive because of angular strain
II) The basicity of $\ce{H_3PO_3}$ is $3$
III) In gas phase, all $\ce{P-Cl}$ bonds of $\ce{PCl_5}$ have same bond length
IV) In solid state.$ \ce{PCl_5}$ exists as an ionic solid, in which anion $\ce{[PCl_6]^{-}}$ has octahedral and cation $\ce{[PCl_4]^{+}}$ has tetrahedral shape.
Which of the following statements are correct?
I) $\ce{P_4}$ molecule is very reactive because of angular strain
II) The basicity of $\ce{H_3PO_3}$ is $3$
III) In gas phase, all $\ce{P-Cl}$ bonds of $\ce{PCl_5}$ have same bond length
IV) In solid state.$ \ce{PCl_5}$ exists as an ionic solid, in which anion $\ce{[PCl_6]^{-}}$ has octahedral and cation $\ce{[PCl_4]^{+}}$ has tetrahedral shape.
Updated On: Apr 4, 2024
- I & II
- II & IV
- I & IV
- I & III
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The Correct Option is C
Solution and Explanation
Answer (c) I & IV
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Concepts Used:
Group 15 Elements
Group 15 elements are also known as nitrogen group elements or nitrogen family.
It consists of:
- Nitrogen (N)
- Phosphorus (P)
- Arsenic (As)
- Antimony (Sb)
- Bismuth (Bi)
- Moscovium (Mc)
They are present on the right side of the periodic table. All the elements are arranged based on their atomic weight. The elements with similar properties reside in a column called the group.
All Group 15 elements have the electron configuration ns2np3 in their outer shell, where n is the principal quantum number.
Periodic Trends in Group 15 Elements
