(i) \(PCl_3\) (ii) \(CH_2Cl_2\) (iii) HCN (iv) \(C_2H_4\) (v) \(NH_3\) In which Lewis structure does the central atom have a non-zero formal charge? A) (i) B) (ii) C) (iii) D) (v) E) none
▶️Answer/Explanation
Ans: E
Question
The formal charge on carbon in the molecule below is __________.
A) 0 B) +1 C) -1 D) +3 E) +2
▶️Answer/Explanation
Ans: A
Question
How many equivalent resonance forms can be drawn for SO2 without expanding octet on the sulfur atom (sulfur is the central atom)? A) 3 B) 0 C) 4 D) 2 E) 1
▶️Answer/Explanation
Ans: D
Question
Of the molecules below, only __________ is polar. A) \(SbF_5\) B) \(I_2\) C) \(AsH_3\) D) \(SF_6\) E) \(CH_4\)
▶️Answer/Explanation
Ans: C
Question
Of the following molecules, which has the largest dipole moment? (A) CO (B) \(CO_2\) (C) \(O_2\) (D) HF (E) \(F_2\)