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NEETChemistryd and f Block Elements

What is the composition of mischmetall, a well-known alloy?

Options

  1. ALanthanoid metal (~ 95%) and aluminum (~ 5%)
  2. BLanthanoid metal (~ 95%) and iron (~ 5%)
  3. CLanthanoid metal (~ 95%) and copper (~ 5%)
  4. DLanthanoid metal (~ 95%) and nickel (~ 5%)

Correct answer

B. Lanthanoid metal (~ 95%) and iron (~ 5%)

Step-by-step solution

A well-known alloy is mischmetall which consists of a lanthanoid metal (~ 95%) and iron (~ 5%) and traces of S, C, Ca, and Al.

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