Number of species which contains X − O − X linkage S i 2 O 7 6 − , P 2 O 7 4 − , C l 2 O 7 , S 2 O 5 2 − , P 4 O 8 , S 3 O 9 , H 4 B 2 O 8 2 − , S 2 O 3 2 − , S 2 O

Question

Number of species which contains X − O − X linkage S i 2 ​ O 7 6 − ​ , P 2 ​ O 7 4 − ​ , C l 2 ​ O 7 ​ , S 2 ​ O 5 2 − ​ , P 4 ​ O 8 ​ , S 3 ​ O 9 ​ , H 4 ​ B 2 ​ O 8 2 − ​ , S 2 ​ O 3 2 − ​ , S 2 ​ O 4 2 − ​

TestHub · Accepted Answer

The X-O-X linkage implies an oxygen atom bridging two identical central atoms (X).

1. $S i_{2} O_{7}^{6 -}$ : Si-O-Si linkage.

2. $P_{2} O_{7}^{4 -}$ : P-O-P linkage.

3. $C l_{2} O_{7}$ : Cl-O-Cl linkage.

4. $S_{2} O_{5}^{2 -}$ : No S-O-S linkage (contains S-S bond).

5. $P_{4} O_{8}$ : Contains P-O-P linkages.

6. $S_{3} O_{9}$ : Contains S-O-S linkages (cyclic trimer).

7. $H_{4} B_{2} O_{8}^{2 -}$ : No B-O-B linkage (contains B-O-O-B).

8. $S_{2} O_{3}^{2 -}$ : No S-O-S linkage (contains S-S bond).

9. $S_{2} O_{4}^{2 -}$ : No S-O-S linkage (contains S-S bond).

Species with X-O-X linkage: $S i_{2} O_{7}^{6 -}$ , $P_{2} O_{7}^{4 -}$ , $C l_{2} O_{7}$ , $P_{4} O_{8}$ , $S_{3} O_{9}$ . Total: 5

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