MCQ
Dobereiner traids is
  • A
    $Na$, $K$, $Rb$
  • B
    $Mg,$$S,$$As$
  • $Cl$, $Br,I$
  • D
    $P,$$S,$, $As$

Answer

Correct option: C.
$Cl$, $Br,I$
c
(c) According to Dobernier law of triads the atomic mass of the central element was nearly the arithmetic mean of atomic masses of other two elements.

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