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Question

In Mendeleev table, the triad of VIII group is :
  1. Ru, Rh, Pd
  2. Cu, Ag, Au
  3. N, O, F
  4. Tl, Pb, Bi

A
Tl, Pb, Bi
B
Cu, Ag, Au
C
N, O, F
D
Ru, Rh, Pd
Solution
Verified by Toppr

Group VIII of Mendeleev's table consists of three triads known as transition triads and they are
i) Iron, Cobalt, and Nickel
ii) Ruthenium, Rhodium, and Palladium
iii) Osmium, Iridium, and Platinium
Option A is correct.

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