CBSE Class 12-science Answered
why among all the hexahalides formed by group 16 elements SF6 is more stable
Asked by Ritika Agrawal | 07 May, 2014, 06:08: PM
Expert Answer
- Among hexahalides, only hexahalides are stable compounds.
- SF6 is extremely stable and chemically inert for stearic reasons.
- In SF6, the six F atoms protect the sulphur atom from attack by reagents to such an extent that even thermodynamically most favourable reactions like hydrolysis donot occur.
SF6 + H2O → No reaction
- Hexahalides are not formed by chlorine, bromine and iodine.As the size of the halogen atom increases, the coordination numbner of the elements of this group decreases.
- As a result, hexachlorides, hexabromides and hexaiodides are not known.
Answered by Vaibhav Chavan | 08 May, 2014, 09:28: AM
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