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Concept explainers
(a)
Interpretation:
The Lewis structure of
Concept Introduction:
Lewis structure:
The representation of valence shell electrons around the atom is known as Lewis structure or Lewis dot structure. Electrons are represented as a dot in Lewis structures, a single dot represents unpaired electron and paired of dots represents paired electrons.
(b)
Interpretation:
The Lewis structure of trichloromethane has to be given.
Concept Introduction:
Refer part (a)
(c)
Interpretation:
The Lewis structure of Hydrogen Fluoride has to be given.
Concept Introduction:
Refer part (a)
(d)
Interpretation:
The Lewis structure of formaldehyde has to be given.
Concept Introduction:
Refer part (a)
(e)
Interpretation:
The Lewis structure of Nitrogen molecule has to be given.
Concept Introduction:
Refer part (a)
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Chapter 11 Solutions
FOUND.OF COLLEGE CHEMISTRY
- Draw a Lewis structure for each of the following molecules and ions. In each case, the atoms can be connected in only one way. (a) Br2 (b) H2S (c) N2H4 (d) N2H2 (e) CN- (f) NH4+ (g) N2 (h) O2arrow_forwardWrite the Lewis structures for the following, and include resonance structures where appropriate. Indicate which has the strongest carbon-oxygen bond.(a) CO2(b) COarrow_forwardDraw Lewis structures for the following compounds.(a) ammonia, NH3 (b) water, H2O(c) hydronium ion, H3O+ (d) propane, C3H8(e) dimethylamine, CH3NHCH3 (f) diethyl ether, CH3CH2OCH2CH3(g) 1-chloropropane, CH3CH2CH2Cl (h) propane-2-ol, CH3CH(OH)CH3(i) borane, BH3 (j) boron trifluoride, BF3Explain what is unusual about the bonding in the compounds in parts (i) and (j)arrow_forward
- Predict which of these compounds are ionic and which are covalent.(A) Ca3N2(B) Li2CO3(C) PCl5(D) NaOH(E) CH4(F) MgOarrow_forwardWrite Lewis formulas, including unshared pairs, for each of the following. Carbon has four bonds in each compound. (a) Propane (C3H8) (c) Methyl fluoride (CH3F) (b) Methanol (CH4O) (d) Ethyl fluoride (C2H5F)arrow_forward3. Using electronegativity difference, indicate the type of bond between the following atoms: (a) Li-Cl(b) C-Br(c) F-Cl(d) Br-Brarrow_forward
- (a) Draw Lewis structure of the following: (i) H3PO4 (ii) N3 - (b) How many hydrogen atoms are present in 10 g of sugar? (c) Calculate formal charge of each atom of CH3O-arrow_forwardWrite Lewis structures for the following:(a) H2(b) HBr(c) PCl3(d) SF2(e) H2CCH2(f) HNNH(g) H2CNH(h) NO–(i) N2(j) CO(k) CN–arrow_forwardThe atomic number of sulfur is 16. Sulfur combines withhydrogen by covalent bonding to form a compound, hydrogensulfide. Based on the number of valence electrons in a sulfuratom, predict the molecular formula of the compound.(A) HS(B) HS2(C) H2S(D) H4Sarrow_forward
- Semustine is a chemotherapy drug, and exerts it's anticancer activity by damaging the DNA of the cancer cells. Predict the approximate bond angle, (c) in Semustine and the molecular geometry of the indicated oxygen (a) and nitrogen (b) atoms. (a) NH (c) CH (b) Semustine NINAarrow_forwardWrite Lewis structures for the following: (a) H2 (b) HBr (c) PCl3 (d) SF2 (e) H2CCH2 (f) HNHH (g) H2CNH (h) NO– (i) N2 (j) CO (k) CN–arrow_forwardDraw Lewis structures for the following molecules and ion. (c) H2O2 (a) NCl3 (b) OCS (d) HCOO−arrow_forward
- Introduction to General, Organic and BiochemistryChemistryISBN:9781285869759Author:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar TorresPublisher:Cengage Learning
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