Carbonyls
Chapter 5: Coordination Compounds · CHEMISTRY · EN medium
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In emerald [Fig. . (b)], Cr ions occupy octahedral sites in the mineral beryl (Be Al Si O ). The absorption bands seen in the ruby shift to longer wavelength, namely yellow-red and blue, causing emerald to transmit light in the green region. Fig. . : (a) Ruby: this gemstone was found in marble from Mogok, Myanmar; (b) Emerald: this gemstone was found in Muzo, Columbia. (a) (b)
📖 ncert books class 12 chemistry chapter 5 · Page 18
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In emerald [Fig. . (b)], Cr ions occupy octahedral sites in the mineral beryl (Be Al Si O ). The absorption bands seen in the ruby shift to longer wavelength, namely yellow-red and blue, causing emerald to transmit light in the green region.
Fig. . : (a) Ruby: this gemstone was found in marble from Mogok, Myanmar; (b) Emerald: this gemstone was found in Muzo, Columbia. (a) (b)
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