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(a)
Interpretation:
The Lewis structure and resonating structures (if possible) of given molecule is to be drawn.
Concept introduction:
Lewis structure is a representation of a molecule which shows shared and unshared pair of electrons. It is helpful to determine the shape of a molecule.
(a)
Answer to Problem 37A
Resonating structures:
Explanation of Solution
Sulphur has six valence electrons. One electron is shared by each oxide ion and two electrons are shared by oxygen atom and no electron pairs are left unshared.
Its resonating structure is also possible as follows:
(b)
Interpretation:
The Lewis structure and resonating structures (if possible) of given molecule is to be drawn.
Concept introduction:
Lewis structure is a representation of a molecule which shows shared and unshared pair of electrons. It is helpful to determine the shape of a molecule.
(b)
Answer to Problem 37A
Resonating structures:
Explanation of Solution
Phosphorus has five valence electrons. One electron is shared by each oxide ion and two electrons are shared by oxygen atom and no electron pairs are left unshared.
Its resonating structure is also possible.
(c)
Interpretation:
The Lewis structure and resonating structures (if possible) of given molecule is to be drawn.
Concept introduction:
Lewis structure is a representation of a molecule which shows shared and unshared pair of electrons. It is helpful to determine the shape of a molecule.
(c)
Answer to Problem 37A
Resonating structures of
Explanation of Solution
Sulphur has six valence electrons. One electron is shared by each oxide ion and two electrons are shared by oxygen atom and one electron pair is left unshared.
Three resonating structures are possible for
Chapter 12 Solutions
World of Chemistry, 3rd edition
- Reagan is doing an atomic absorption experiment that requires a set of zinc standards in the 0.4- 1.6 ppm range. A 1000 ppm Zn solution was prepared by dissolving the necessary amount of solid Zn(NO3)2 in water. The standards can be prepared by diluting the 1000 ppm Zn solution. Table 1 shows one possible set of serial dilutions (stepwise dilution of a solution) that Reagan could perform to make the necessary standards. Solution A was prepared by diluting 5.00 ml of the 1000 ppm Zn standard to 50.00 ml. Solutions C-E are called "calibration standards" because they will be used to calibrate the atomic absorption spectrometer. Table 1: Dilutions of Zinc Solutions Solution Zinc Solution Volume Diluted Solution Concentration used volume (ppm Zn) (mL) (mL) concentration (ppm Zn) Solution concentration A 1000 5.00 50.00 1.00×10² (ppm Zn(NO3)2) 2.90×10² Solution concentration (M Zn(NO3)2 1.53×10-3 B Solution A 5.00 100.00 5.00 C Solution B 5.00 50.00 0.50 7.65×10-6 D Solution B 10.00 50.00…arrow_forwardNonearrow_forwardNonearrow_forward
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