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Mischmetal is a highly specialized, pyrophoric metallurgical alloy extensively utilized to manufactud and f Block Elements Chemistry Question

Question

Mischmetal is a highly specialized, pyrophoric metallurgical alloy extensively utilized to manufacture sparking flints for gas lighters. According to its standard, universally documented commercial formulation, what is its primary elemental composition?

Answer: B

💡 Solution & Explanation

Mischmetal is an alloy consisting almost entirely of inner transition elements. Its specific composition is $\approx 95\%$ Lanthanides (predominantly Cerium at $\approx 50\%$ and Lanthanum) alloyed with exactly $5\%$ Iron to impart structural integrity and sparking capability.

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