) In resonance structures, the _____ can be moved around but the ______ must remain the same. (choose correct letter from A - D below): A. atoms’ positions, electron pairs C. electrons pairs, bonds B. electron pairs, atoms’ positions D. bonds, electron pairs II) Draw TWO correct resonance structures for TeSe3 on a sheet of paper (NOT TO BE TURNED IN). Do NOT violate the octet rule on any atom in your structures.
Electronic Effects
The effect of electrons that are located in the chemical bonds within the atoms of the molecule is termed an electronic effect. The electronic effect is also explained as the effect through which the reactivity of the compound in one portion is controlled by the electron repulsion or attraction producing in another portion of the molecule.
Drawing Resonance Forms
In organic chemistry, resonance may be a mental exercise that illustrates the delocalization of electrons inside molecules within the valence bond theory of octet bonding. It entails creating several Lewis structures that, when combined, reflect the molecule's entire electronic structure. One Lewis diagram cannot explain the bonding (lone pair, double bond, octet) elaborately. A hybrid describes a combination of possible resonance structures that represents the entire delocalization of electrons within the molecule.
Using Molecular Structure To Predict Equilibrium
Equilibrium does not always imply an equal presence of reactants and products. This signifies that the reaction reaches a point when reactant and product quantities remain constant as the rate of forward and backward reaction is the same. Molecular structures of various compounds can help in predicting equilibrium.
I) In resonance structures, the _____ can be moved around but the ______ must remain the same. (choose correct letter from A - D below):
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A. atoms’ positions, electron pairs
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C. electrons pairs, bonds
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B. electron pairs, atoms’ positions
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D. bonds, electron pairs
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II) Draw TWO correct resonance structures for TeSe3 on a sheet of paper (NOT TO BE TURNED IN). Do NOT violate the octet rule on any atom in your structures.
Look carefully at your diagrams and answer the following questions.
(NOTE: Use the cardinal numbers 0, 1, 2, 3, and so on for any quantity required.)
a) how many lone electron pairs are on the Te atom?
b) the bonds attached to Te are (choose correct letter from A – D):
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A. a double & two single bonds
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C. three double bonds
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B. a single & two double bonds
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D. a single, double & triple bond
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c) Two Se atoms have the same number of lone electron pairs which is (give number). The third Se atom has (give number) lone electron pairs.
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