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Dobereiner traids is...

Dobereiner traids is

A

`Na,K,Rb`

B

`Mg,S,As`

C

`P,S,As`

D

`Cl,Br,I`

Text Solution

Verified by Experts

The correct Answer is:
D
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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Whan a Dobereiner triad is considered, the sum of atomic weights of extreme elements X and Z is 177.6 and difference of Z and Y is five times the number of protons present in a neon atom. Identify X, Y and Z.

Which of the following is not an example of Dobereiner's Traids a) Ca, Sr. Ba b) Cl, Br, I c) Li, Na, K d) Sr, Ba, Ra

Knowledge Check

  • If the sum of atomic mass of 3 elements forming Dobereiner traid is 69, then atomic mass of second element

    A
    7
    B
    46
    C
    39
    D
    23

  • Dobereiner triad is:

    A
    Na, K, Rb
    B
    Mg, S, As
    C
    CI, Br, I
    D
    P, S, As

  • Dobereiner triad is

    A
    Na, K, Rb
    B
    Mg, S, As
    C
    Cl, Br, I
    D
    P, S, As

    • Similar Questions

    Explore conceptually related problems

    Explain Dobereiner's triads giving one example.

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    Example of Dobereiner's triad is

    Which of the following group is NOT Dobereiner triads?

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