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Ilia_Sergeevich [38]
3 years ago
5

Which of the following statements is not an accurate description of a factor that contributes to the ordering of the spectrochem

ical series for ligands and metals? (Select one answer. There is only one correct answer)
a. Strong o-donor ligands raise the energy of the eg orbitals of an octahedral complex.
b. Higher oxidation state metals form stronger bonds with ligands.
c. Ligands such as CO, PPhy, and bipyridine can act as T-acids.
d. The 4d and 5d transition metals are stronger Lewis acids than the 3d transition metals.
e. The electronegativity of the donor atom is the most important factor for ligands
Chemistry
1 answer:
MArishka [77]3 years ago
5 0

Answer:

Higher oxidation state metals form stronger bong with ligands

Explanation:

Ligand strength are based on oxidation number, group and its properties

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NARA [144]

Answer:

90

   Th

    232.04

Explanation:

90 - atomic number

  Th - element symbol

    232.04 - atomic mass

4 0
3 years ago
How is crystallization used in the pharmaceutical industry (simple answer please)
Olegator [25]

Answer:

<h2>CRYSTALLIZATION :IMPORTANT IN THE PHARMACEUTICAL INDUSTRY.</h2>

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6 0
3 years ago
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Morphine is a well known pain killer but is highly addictive. The lethal dose of morphine varies from person to person based on
Aliun [14]

Answer:

0.252 milimoles

Explanation:

To convert mass of a substance to moles it is necessary to use the molar mass of the substance.

The formula of morphine is C₁₇H₁₉NO₃, thus, its molar mass is:

C: 17*12.01g/mol = 204.17g/mol

H: 19*1.01g/mol = 19.19g/mol

N: 1*14g/mol = 14g/mol

O: 3*16g/mol = 48g/mol.

204.17 + 19.19 + 14 + 16 = <em>285.36g/mol</em>

Thus, moles of 71.891 mg = 0.071891g:

0.071891g × (1mol / 285.36g) = 2.5193x10⁻⁴ moles

As 1 mole = 1000 milimoles:

2.5193x10⁻⁴ moles = <em>0.252 milimoles</em>

7 0
3 years ago
Please, I need at least accurate answers for my Sound Knowledge Check for my Science class.
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Answer:

1.A

2.A

3.C

4.C

5.B

6.A

5 0
3 years ago
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Is ninhydren test positive for protein?
lyudmila [28]
The Ninhydrin test is not effective to detect high molecular weight proteins as the steric hindrance limits the ninhydrin from reaching the α-amino groups.
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