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Some trends of 15th group hydrides are given below. The incorrect trend among these is

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a
NH3>PH3>AsH3>SbH3   .  .   . Thermal stability
b
PH3>AsH3>NH3>SbH3   .  .   . Volatile character
c
NH3>PH3>AsH3>SbH3   .  .   . Reducing power
d
NH3>PH3>AsH3>SbH3   .  .   .  Bond angle

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detailed solution

Correct option is C

X-H   B.Enthalpy and Thermal stability NH3>PH3>AsH3>SbH3>BiH3 ; Reducing power NH3AsH3>NH3>SbH3>BiH3Down the group as the electronegativity of central atom decreases, bond angle decreases;NH3>PH3>AsH3>SbH3>BiH3:

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Similar Questions

Bond dissociation enthalpy of E - H (E = element) bonds is given below, which of the compounds will act as strongest reducing agent?

CompoundNH3PH3AsH3SbH3
dissE-H/kJ mol-1389322297255


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