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Katen [24]
2 years ago
10

The shape of a molecule is tetrahedral. How many lone pairs are most likely on the central atom?

Chemistry
2 answers:
kvv77 [185]2 years ago
8 0
The number of lone pairs that are most likely found on the central atom is zero. There are no lone pairs found on the central atom.
Andre45 [30]2 years ago
4 0

Answer: Zero lone pairs on the central atom.

Explanation:

  • Lone pairs and bond pairs together decides the geometry of the molecule.
  • Bond pairs  together decides the shape of the molecule.

The molecule is with with tetrahedral shape which means that molecule has a tetrahedral geometry.

The value of number of electrons around the central atom with tetrahedral geometry according to VESPR theory is '4'. Which means that electrons around the central atom are 4.

Since, the molecule is in tetrahedral shape which means four bonds are pointing in direction towards the four vertices of tetrahedral which means their are zero lone pair present on the central atom.

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Consider the following data showing the initial rate of a reaction (A→products) at several different concentrations of A.
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Answer:

(1) order = 2

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Explanation:

Given the reaction:

A--------->Product

The rate constant relation for the reaction is given as:

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Where R(I) is rate constant at different concentration of A.

Taking the rate constant as R1, R2 and R3 for the different concentrations respectively. Then the following equations results

0.011 = K [0.15] ⁿ.........(1)

0.044 = K [0.30]ⁿ .......(2)

0.177 = K [0.60]ⁿ .........(3)

Dividing (2) by (1) and (3) by (1)

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Similarly

0.177/0.011 = [0.60/0.15]ⁿ

16.09 = 4ⁿ

16.09 = 16 (approximately)

4² = 4ⁿ ; n = 2

Hence the order of the reaction is 2.

The rate law is R = K [A]²

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