MCQ
Identify correct match
- A$S_3O_9 -$ only $p\pi -p\pi $ bond
- ✓$P_4O_{10} -$ Equal number of $\sigma $ and $\pi $ bond
- C$P_4O_6 -$ All $\pi $ bonds are $p\pi -d\pi $ bond
- D$SO_3 -$ both $p\pi -p\pi $ and $p\pi -d\pi $ bond present
✓
Answer
Correct option: B.
$P_4O_{10} -$ Equal number of $\sigma $ and $\pi $ bond
b
Because of decrease in bond dissociation enthalpy, acidity of hydrides increases down the group.
Because of decrease in bond dissociation enthalpy, acidity of hydrides increases down the group.
Increasing order of acidity is: $H_2Te\, > \,H_2Se \,> \,H_2S \,>\, H_2O$
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