STD 12 - p -Block elements - ll — JEE STD 11 Science — Question
Gujarat BoardEnglish MediumSTD 11 ScienceJEESTD 12 - p -Block elements - ll4 Marks
MCQ
Among $NH_3 , PH_3 , AsH_3$ and $SbH_3$ which one is a stronger reducing agent?
A
$NH_3$
B
$PH_3$
C
$AsH_3$
✓
$SbH_3$
✓
Answer
Correct option: D.
$SbH_3$
d $SbH _3$ is the strongest reducing agent because $Sb ^{5+}$ is most stable in its respective group so it gets easily oxidised so its the strongest reducing agent.
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