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Eddi Din [679]
3 years ago
6

Is the following a chemical or physical

Chemistry
1 answer:
Usimov [2.4K]3 years ago
6 0

Explanation:

  • Chemical .
  • As you can't get sodium or chloride back from sodium chloride.
  • Sodium chloride is a ionic compound so the bonding is too hard to break .

There are two types of reactions

  1. Physical
  2. Chemical
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Determine the electron-group arrangement, molecular shape, and ideal bond angle for the following molecule: PH3 Electron-group a
Alecsey [184]

Answer:

The molecular shape and ideal bond angle of the PH_{3} is trigonalbipyramidal and 109.5^{o} respectively.

Explanation:

The structure of  PH_{3}  is as follows.(in attachment)

From the structure,

Phosphor atom has one lone pair and three hydrogens are bonded by six electrons.

Therefore, total electrons invovled in the formation PH_{3}  is eight.

Hence, four electron groups which indicate the tetrahedral shape. But one pair is lone pair i.e, present on the phosphor atom.

Therefore, ideal geometry of the PH_{3}  molecule is <u>Trigonalbipyramidal.</u>

The ideal angle of trigonalbipyrmidal is 109.5^{o}.

All three bonds of P-H has 109.5^{o}.

Therefore, ideal bond angle is <u>109.5^{o}.</u>

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