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UPSC Combined Geo-Scientist

Chemist

  • 3 descriptive papers
  • 200 marks each
  • 3 h per paper

Mains Paper III covers analytical and organic chemistry.

UPSC Combined Geo-Scientist, Mains · 2018 · Mains Paper III

Q5(c). Nickel dimethylglyoximate

Question

A 0.40 g alloy gives 0.285 g dried nickel dimethylglyoximate, molar mass 290.93. Find percentage nickel.

Answer in brief

The alloy contains 14.37% Ni.

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CoversNickel dimethylglyoximateGravimetric analysis

All parts of Question 5