Packet 11: Tossup 2

Reagents containing this metal are coupled with an organohalide in the Kumada reaction. (15[1])Generally, this metal (15[1])is always present in Hauser bases, which can form a Schlenk equilibrium (15[1])with another class of (15[1])compounds that contain this element. (15[1])This element (15[1])and calcium can be extracted from dolomite. (15[1])This metal is used to reduce titanium (-5[1])tetrachloride (15[1])in the (*) Kroll process. (-5[1])Along with an organic (10[1])group and a halogen, (10[2])Grignard (“GREEN-yarr-d”) reagents possess this (10[1])element. (10[2])An ion of this metal appears at the center of chlorophyll's porphyrin ring. Rocks rich (-5[1])in iron and this element are called mafic. For 10 points, name this second lightest alkaline earth metal with symbol Mg. ■END■ (10[2])

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