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(a)
Interpretation:
The element which has higher ionization energy among the pairs has to be given.
Concept Introduction:
Ionization energy is the energy required to remove an electrons from a gaseous atom (or) iron. The first ionization energy of an atom (or) molecule is the energy required to remove one mole of electrons from one mole of gaseous atoms (or) ions.
The ionization energy and the atomic size of an atom are inversely proportional which means that smaller the size of the higher the ionization energy.
(b)
Interpretation:
The element which has higher ionization energy among the pairs has to be given.
Concept Introduction:
Refer to part (a).
(c)
Interpretation:
The element which has higher ionization energy among the pairs has to be given.
Concept Introduction:
Refer to part (a).
(d)
Interpretation:
The element which has higher ionization energy among the pairs has to be given.
Concept Introduction:
Refer to part (a).
(e)
Interpretation:
The element which has higher ionization energy among the pairs has to be given.
Concept Introduction:
Refer to part (a).
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Chapter 9 Solutions
Chemical Principles: The Quest for Insight
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- When a nonmetal oxide reacts with water, it forms an oxoacid with the same oxidation number as the nonmetal. Give the name and formula of the oxide used to prepare each of these oxoacids: (a) hypochlorous acid; (b) chlorous acid; (c) chloric acid; (d) perchloric acid; (e) sulfuric acid; (f ) sulfurous acid; (g) nitric acid; (h) nitrous acid; (i) carbonic acid; ( j) phosphoric acid.arrow_forwardWhich description correctly describes a difference between the chemistry of oxygen and sulfur?(a) Oxygen is a nonmetal and sulfur is a metalloid. (b) Oxy- gen can form more than four bonds, whereas sulfur cannot. (c) Sulfur has a higher electronegativity than oxygen.(d) Oxygen is better able to form p bonds than sulfur.arrow_forward(a) Which poisonous gas is evolved when white phosphorus is heated with Cone. NaOH solution? Write the chemical equation. (b) Write the formula of first noble gas compound prepared by N. Bartlett. What inspired N. Bartlett to prepare this compound? (c) Fluorine is a stronger oxidising agent than chlorine. Why? (d)Write one use of chlorine gas.arrow_forward
- 4. The common oxidation number for an alkaline earth metal is +2. (a) Using the Born-Mayer equation (for determining the lattice enthalpy) and a Born-Haber cycle (draw it), show that CaCl is an exothermic compound (negative AHf). Make a reasonable prediction to estimate the ionic radius of Ca (explain your reasoning). The sublimation (atomization) enthalpy for Ca(s) is 178 kJ/mol. (b) Show that an explanation for the non-existence of CaCl can be found in the enthalpy change for the reaction below. The AHf for CaCl2(s) is -190.2 kcal/mol. 2 CaCl(s) → Ca(s) + CaCl2(s)arrow_forwardA piece of an imaginary element (called Imaginium), with dimensions 1.2 mm x 1.2 mm x 1.2 mm, has 97.43 x 1018 atoms contained in it. It has a BCC crystal structure. Calculate its atomic radius in terms of Angstroms to two decimal places.arrow_forwardThe first two steps in the industrial synthesis of nitric acid produce nitrogen dioxide from ammonia: 4 NH; (g) + 5 0, (g) = 4 NO (g) + 6 H,0 (g) K1 2 NO (3) +0, (g) = 2NO, (g) K2 The net reaction is: 4 NH; (g) + 70, (g) = 4 NO, (g) + 6 H,0 (g) K Write an equation that gives the overall equilibrium constant K in terms of the equilibrium constants K, and K,. If you need to include any physical constants, be sure you use their standard symbols, which you'll find in the ALEKS Calculator. K = oloarrow_forward
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