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Get Full Access to Chemistry: The Central Science - 14 Edition - Chapter 7 - Problem 7.61
Get Full Access to Chemistry: The Central Science - 14 Edition - Chapter 7 - Problem 7.61

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# ?Would you expect manganese(II) oxide, $$\mathrm{MnO}$$, to react more readily with $$\mathrm{HCl}(a q)$$ or $$\mathrm{NaOH}(a q)$$ ?

ISBN: 9780134414232 1274

## Solution for problem 7.61 Chapter 7

Chemistry: The Central Science | 14th Edition

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Problem 7.61

Would you expect manganese(II) oxide, $$\mathrm{MnO}$$, to react more readily with $$\mathrm{HCl}(a q)$$ or $$\mathrm{NaOH}(a q)$$ ?

Text Transcription:

MnO

HCl(aq)

NaOH(aq)?

Step-by-Step Solution:

Step 1 of 5) We will determine the bond order for the He2 + ion and use it to predict whether the ion is stable. Plan To determine the bond order, we must determine the number of electrons in the molecule and how these electrons populate the available MOs. The valence electrons of He are in the 1s orbital, and the 1s orbitals combine to give an MO diagram like that for H2 or He2 (Figure 9.33). If the bond order is greater than 0, we expect a bond to exist, and the ion is stable. The energy-level diagram for the He2 + ion is shown in Figure 9.34. This ion has three electrons. Two are placed in the bonding orbital and the third in the antibonding orbital. Thus, the bond order is Because the bond order is greater than 0, we predict the He2 + ion to be stable relative to the separated He and He +. Formation of He2 + in the gas phase has been demonstrated in laboratory experiments.

Step 2 of 2

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?Would you expect manganese(II) oxide, $$\mathrm{MnO}$$, to react more readily with $$\mathrm{HCl}(a q)$$ or $$\mathrm{NaOH}(a q)$$ ?