Concept explainers
(a)
Interpretation: It should be predicted that why the formula
Concept introduction: The main group elements form chemical compounds in which the central atom has highest oxidation number. The highest oxidation number is always equal to the group number that the element has in the periodic table. Thus, the oxidation number is determined by the position of the element in the periodic table.
These elements also form compounds in the other lower oxidation numbers apart from the highest oxidation number. These other oxidation numbers are as per the electronic configuration of the element and is determined by the number of electrons in the outer shell of each element.
The correct formula has the valid oxidation number of the central element and the formula which do not satisfy this criteria is incorrect
(b)
Interpretation: It should be predicted that why the formula
Concept introduction: The main group elements form chemical compounds in which the central atom has highest oxidation number. The highest oxidation number is always equal to the group number that the element has in the periodic table. Thus, the oxidation number is determined by the position of the element in the periodic table.
These elements also form compounds in the other lower oxidation numbers apart from the highest oxidation number. These other oxidation numbers are as per the electronic configuration of the element and are determined by the number of electrons in the outer shell of each element.
The correct formula has the valid oxidation number of the central element and the formula which do not satisfy this criteria is incorrect
(c)
Interpretation: It should be predicted that why the formula
Concept introduction: The main group elements form chemical compounds in which the central atom has highest oxidation number. The highest oxidation number is always equal to the group number that the element has in the periodic table. Thus, the oxidation number is determined by the position of the element in the periodic table.
These elements also form compounds in the other lower oxidation numbers apart from the highest oxidation number. These other oxidation numbers are as per the electronic configuration of the element and are determined by the number of electrons in the outer shell of each element.
The correct formula has the valid oxidation number of the central element and the formula which do not satisfy this criteria is incorrect
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Chapter 21 Solutions
Chemistry & Chemical Reactivity
- Use the following set of assumptions to estimate the CN bond length in fulminic acid: 1) only the two best structures contribute to the true structure 2) the best structure contributes 75%, 3) the CN single bond is 1.47 pm, the double is 1.32 pm and the triple is L.16 pm. Enter your answer with 2 significant figures as a number with no units. Structure I Structure II Structure III H-C=N=0 H-C=N-0 ŌI H-C-N=01 VFullsc 10:41 PMarrow_forwarddraw the structurearrow_forwardexplain how different types of isomerism affect the properties of molecules and common uses of the substance.arrow_forward
- How many of the following have optical isomers? H3N NH3 *** O O 2 3arrow_forwardPart 1 of 2 (NH4)₂CO3(aq) + CaCl₂(aq) -arrow_forwardThe compound whose structure is shown here is acetyl acetone. It exists in two forms:the enol form and the keto form The molecule reacts with OH–to form an anion, [CH3COCHCOCH3] (often abbreviatedacac–for acetylacetonate ion). One or the most interesting aspects of this anion is thatone or more of them can react with transition metal cations to give stable, highlycolored compounds (a) Are the keto and enol forms of acetylacetone resonance forms? Explain youranswer.(b) What is the hybridization or each atom (except H) in the enol form? What changesin hybridization occur when it is transformed into the keto form?(c) What are the electron-pair geometry and molecular geometry around each C atomin the keto and enol forms? What changes in geometry occur when the keto formchanges to the enol form?(d) Draw three possible resonance structures for the acac–ion.(e) Is cis-trans isomerism possible in either the enol or the keto form of acetylacetone?(f) Is the enol form of acetylacetone polar?…arrow_forward
- 6. Give the structural formulas of three compounds of the composition С5Н10О2 belonging to different classes of organic compounds.arrow_forwardExplain the types of bonds present in the compound Al2(CH3)6arrow_forwardThe carbon–carbon bond length in C2H2 is 1.20 Å, that in C2H4 is 1.34 Å, and that in C2H6 is 1.53 Å. Near which of these values would you predict the bond length of C2 to lie? Is the experimentally observed value, 1.31 Å, consistent with your prediction?arrow_forward
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