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P BLOCK ELEMENTS
Question #43011
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Question
Arrange the group 15 hydrides NH₃, PH₃, AsH₃, SbH₃, BiH₃ in order of increasing base strength.
A. NH₃ < PH₃ < AsH₃ < SbH₃ < BiH₃
B. PH₃ < NH₃ < AsH₃ < SbH₃ < BiH₃
C. BiH₃ < SbH₃ < AsH₃ < PH₃ < NH₃
D. AsH₃ < PH₃ < NH₃ < SbH₃ < BiH₃
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