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In dimer of phosphorus pentaoxide, in wh...

In dimer of phosphorus pentaoxide, in what order number of `P-P, P=O` & `P-O-P` bonds are there ?

A

`P-O-P gt P = O gt P - P`

B

`P = O gt P - O - P gt P - P`

C

`P - O- P gt P - P gt P = O`

D

`P = O gt P - P gt P - O - P`

Text Solution

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The correct Answer is:
To determine the order of the number of `P-P`, `P=O`, and `P-O-P` bonds in the dimer of phosphorus pentoxide (P4O10), we can follow these steps: ### Step 1: Understand the Structure of Phosphorus Pentoxide Phosphorus pentoxide (P4O10) exists as a dimer, meaning it consists of two phosphorus pentoxide units. The structure can be visualized as a central phosphorus atom bonded to four oxygen atoms, with some of these oxygen atoms forming bridges between phosphorus atoms. ### Step 2: Identify the Types of Bonds We need to identify and count the different types of bonds: - **P-P bonds**: Bonds between phosphorus atoms. - **P=O bonds**: Double bonds between phosphorus and oxygen atoms. - **P-O-P bonds**: Bonds between phosphorus and oxygen that connect two phosphorus atoms. ### Step 3: Count the P-P Bonds In the dimer of phosphorus pentoxide, the phosphorus atoms are connected through oxygen atoms. Therefore, there are **0 P-P bonds** directly connecting phosphorus atoms. ### Step 4: Count the P=O Bonds In the structure of P4O10, each phosphorus atom forms double bonds with oxygen atoms. There are a total of **4 P=O bonds** in the dimer. ### Step 5: Count the P-O-P Bonds The phosphorus atoms are connected through oxygen atoms, forming P-O-P linkages. In the dimer, there are **6 P-O-P bonds**. ### Step 6: Summarize the Counts Now we can summarize the counts: - P-P bonds: 0 - P=O bonds: 4 - P-O-P bonds: 6 ### Step 7: Order the Bonds Based on the counts, we can order the bonds from highest to lowest: 1. P-O-P: 6 2. P=O: 4 3. P-P: 0 ### Final Answer The order of the number of bonds is: - P-O-P: 6 - P=O: 4 - P-P: 0
To determine the order of the number of `P-P`, `P=O`, and `P-O-P` bonds in the dimer of phosphorus pentoxide (P4O10), we can follow these steps: ### Step 1: Understand the Structure of Phosphorus Pentoxide Phosphorus pentoxide (P4O10) exists as a dimer, meaning it consists of two phosphorus pentoxide units. The structure can be visualized as a central phosphorus atom bonded to four oxygen atoms, with some of these oxygen atoms forming bridges between phosphorus atoms. ### Step 2: Identify the Types of Bonds We need to identify and count the different types of bonds: - **P-P bonds**: Bonds between phosphorus atoms. ...
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