a. What do we mean by degenerate atomic orbitals? b Explain why an octahedral complex of a
Question:
a. What do we mean by degenerate atomic orbitals?
b Explain why an octahedral complex of a transition element is coloured.
c. Draw the non-degenerate 3d orbitals in a Ni2+ ion on a diagram similar to Figure 24.14. The electrons should be shown in the configuration that gives the lowest possible energy.
excited electron absorbs energy AE 3d N回回 AE energy absorbed from visible spectrum that corresponds Cu2 (.3d) degenerate 3d orbitals to AE dyz splitting the d orbitals to give non-degenerate orbitals dy the energy absorbed can be worked out by the equation: AF = hv where vis the frequency of light absorbed and h is Planck's constant Figure 24.14 The splitting of the 3d orbitals in a Cu(H,0),* complex ion.
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Cambridge International AS And A Level Chemistry Coursebook
ISBN: 9781316637739
2nd Edition
Authors: Lawrie Ryan, Roger Norris
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Using a few basic physics principles, you can impress your friends with a trick that makes a bottle disappear. For this experiment, you will need a mini plastic bottle, glycerin, a glass, and a funnel. First, open the bottle and pour some glycerin into it, then close the bottle tightly. Next, pour some water into the glass using a funnel. Place the mini bottle into the glass of water and it will look normal. This is because light travels through air faster than it travels through the glass and water, allowing our eyes to see the bottle inside the glass. However, when you fill the mini bottle with more glycerin, and pour glycerin into the glass, then put the glycerin filled bottle into the glass with glycerin in it. Half of the bottle that is submerged in the glycerin will become invisible as the light travels through glass and glycerin at the same speed, thus it does not bend and no refraction takes place, making the bottle invisible. This happens because both glass and glycerin have almost the same refractive index, which causes the speed of light to be the same in both mediums, causing no bending of light and making the bottle disappear.
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