1)

The total number of compounds having at least one bridging oxo group amoung the molecule given below...

N2O3 ,N2O5 ,P4 O6 , P4O7, H4P2O5, H5P3O10, H2S2O3, H2S2O5


A) 6

B) 8

C) 4

D) 2

Answer:

Option A

Explanation:

The structures of various molecules given in problem are discussed below  -

 1. N2O3 It is the tautomeric mixture of following two structures-

  1792019818_oxo.JPG

Conclusion  1 bridging oxo group is present in the compound.

2. N2O3     It has following structure.

            1792019802_bridgr.JPG

Conclusion 1  bridging oxo group is present in the compound.

             where, p1  = initial pressure, p1= total pressure

                    y= number of gaseous products per mole of reactant

3.   P4 O6

  

1792019115_OXOOO.JPG

Conclusion   6 bridging oxo groups are present in the compound.

4. P4 O7

   1792019599_gro.JPG

Conclusion 6 bridging oxo groups are present in the compound.

5.  H4P2O5

    1792019428_GRRR.JPG

Conclusion 1 bridging oxo groups is present in the compound.

6.  H5P3O10

     

1792019772_OH.JPG

Conclusion   2 bridging oxo groups are present in the compound.

7.   H2S2O3

       1792019616_soh.JPG

Conclusion   This compound doesnot contain any bridging oxo group.

8.  H2S2O5

      1792019413_aaa.JPG

Conclusion This compound also doesnot contain any bridging oxo group.