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Which of the following molecules is best described as having a nearly tetrahedral distribution of electron density?

A) BeCl2

B) OF2

C) SnCl2

D) none of these

In which of the following molecules does the carbon atom have a linear distribution of electron density?

A) C2H2

B) C2H4

C) C2H6

D) none of these

Which of the following is true for the molecule O=C=S?

A) it is nonpolar because it contains only double bonds

B) it is polar because the polarities of the O=C and C=S do not cancel

C) it is polar because it has a bent shape

D) it is nonpolar because it is linear

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