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Get Full Access to Chemistry: The Central Science - 14 Edition - Chapter 22 - Problem 22.6
Get Full Access to Chemistry: The Central Science - 14 Edition - Chapter 22 - Problem 22.6

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# ?Account for the following observations: (a) $$\mathrm{H}_{3} \mathrm{PO}_{3}$$ is a diprotic acid. (b) Nitric acid is a strong aci

ISBN: 9780134414232 1274

## Solution for problem 22.6 Chapter 22

Chemistry: The Central Science | 14th Edition

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Problem 22.6

Account for the following observations:

(a) $$\mathrm{H}_{3} \mathrm{PO}_{3}$$ is a diprotic acid.

(b) Nitric acid is a strong acid, whereas phosphoric acid is weak.

(c) Phosphate rock is ineffective as a phosphate fertilizer.

(d) Phosphorus does not exist at room temperature as diatomic molecules, but nitrogen does.

(e) Solutions of $$\mathrm{Na}_{3} \mathrm{PO}_{4}$$ are quite basic.

Text Transcription:

H3PO3

Na3PO4

Step-by-Step Solution:

Step 1 of 5) In Figure 23.4, we saw the diverse range of colors seen in salts of transition-metal ions and their aqueous solutions. In general, the color of a complex depends on the identity of the metal ion, on its oxidation state, and on the ligands bound to it. Figure 23.24, for instance, shows how the pale blue color characteristic of 3Cu(H2O)442+ changes to deep blue-violet as NH3 ligands replace the H2O ligands to form 3Cu(NH3)442+. For a substance to have color we can see, it must absorb some portion of the spectrum of visible light. (Section 6.1) Absorption happens, however, only if the energy needed to move an electron in the substance from its ground state to an excited state corresponds to the energy of some portion of the visible spectrum. (Section 6.3) Thus, the particular energies of radiation a substance absorbs dictate the color we see for the substance.Two ways of perceiving the color orange. An object appears orange either when it reflects orange light to the eye (left) or when it transmits to the eye all colors except blue, the complement of orange (middle). Complementary colors lie opposite to each other on an artist’s color wheel (right).

Step 2 of 2

##### ISBN: 9780134414232

Since the solution to 22.6 from 22 chapter was answered, more than 219 students have viewed the full step-by-step answer. This full solution covers the following key subjects: . This expansive textbook survival guide covers 29 chapters, and 2820 solutions. The full step-by-step solution to problem: 22.6 from chapter: 22 was answered by , our top Chemistry solution expert on 10/03/18, 06:29PM. Chemistry: The Central Science was written by and is associated to the ISBN: 9780134414232. This textbook survival guide was created for the textbook: Chemistry: The Central Science, edition: 14. The answer to “?Account for the following observations: (a) $$\mathrm{H}_{3} \mathrm{PO}_{3}$$ is a diprotic acid. (b) Nitric acid is a strong acid, whereas phosphoric acid is weak. (c) Phosphate rock is ineffective as a phosphate fertilizer. (d) Phosphorus does not exist at room temperature as diatomic molecules, but nitrogen does.(e) Solutions of $$\mathrm{Na}_{3} \mathrm{PO}_{4}$$ are quite basic.Text Transcription:H3PO3 Na3PO4” is broken down into a number of easy to follow steps, and 56 words.

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?Account for the following observations: (a) $$\mathrm{H}_{3} \mathrm{PO}_{3}$$ is a diprotic acid. (b) Nitric acid is a strong aci