12. Which of the following molecules has a nonzero dipole moment? (A) CH4 (B) SiF4 (C) CS2 (D) SO3 (E) PBr3

12. Which of the following molecules has a nonzero dipole moment?
(A) CH4
(B) SiF4
(C) CS2
(D) SO3
(E) PBr3

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統計： A(1), B(1), C(0), D(0), E(7) #1992000

詳解 (共 1 筆)

Kai

B1 · 2019/05/10

#3340060

題目所述即為極性分子，選項中符合敘述的只...

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3. 將以下 0.10 M 的各個溶液，依 pH 值，從最低排到最高。 NaF, NaC2H3O2, C5H5NHCl, KOH, HCN. (Ka HCN = 6.2 × 10–10; Ka HF= 7.2 × 10–4 ; Ka HC2H3O2 = 1.8 × 10–5 ; Kb C5H5N = 1.7 × 10–9 ) (A) KOH, NaC2H3O2, NaF, HCN, C5H5NHCl (B) NaC2H3O2, NaF, HCN, KOH, C5H5NHCl (C) HCN, C5H5NHCl, NaF, NaC2H3O2, KOH (D) NaF, NaC2H3O2, HCN, C5H5NHCl, KOH (E) C5H5NHCl, HCN, NaF, NaC2H3O2, KOH

12. Which of the following molecules has a nonzero dipole moment?
(A) CH4
(B) SiF4
(C) CS2
(D) SO3
(E) PBr3

詳解 (共 1 筆)

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