Question
Chemistry Question on trends in periodic table
The correct decreasing order of basicity of hydrides of Group - 15 elements is
A
SbH3 > AsH3 > PH3 > NH3
B
PH3 > AsH3 > SbH3 > NH3
C
AsH3 > SbH3 > NH3 > PH3
D
NH3 > PH3 > AsH3 > SbH3
Answer
NH3 > PH3 > AsH3 > SbH3
Explanation
Solution
The correct answer is (D) : NH3 > PH3 > AsH3 > SbH3.