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Question:

The P-P-P angle in P4 molecule and S-S-S angle in S8 molecule is (in degree) respectively:

60o,107o

107o,60o

60o,108o

60o,40o

Solution:

In P4 molecule, the four sp3 hybridized phosphorous atoms lie at the corners of a regular tetrahedron with ∠PPP = 60o. In S8 molecule, S-S-S angle is 107o. Hence, option A is correct.