MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Dobereiner's Triads

Conceptual Qu...

Question

Conceptual Question
Three elements X, Y, Z form a Dobernier traid. The difference in atomic weights between elements Y, Z is $45$ . If atomic weight of X is $35$ find atomic weight of elements X, Y and Z.

Open in App

Solution

According to Dobereiner, the atomic weight of the middle element is nearly the same as average of the atomic weights of other two elements.
Thus answer is $35$ , $80$ , $125$ .

Suggest Corrections

thumbs-up

1

Similar questions

Q. Three elements X, Y and Z form a Dobereiner triad. The ratio of the atomic weight of X to that of Z is 7: 25.

If the sum of the atomic weights of X and Z is 160, find the atomic weights of X, Y and Z.

Q. If three elements

X, Y,

Z

form a Dobereiner's triad and atomic weights of

X

Z

9

40

respectively, then the atomic weight of the element

Y

is approximate:

Q. When a Dobernier triad is considered, the sum of the atomic weights of the terminal elements 'X' and 'Z' is 162.5. The atomic weight of 'Z' is 50 units less than 5 times that of X. Calculate the atomic weights of X, Y, and Z. Identify their positions in the present periodic table.

Q. When 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.

Q. When a Dobereiner's triad is considered, the sum of atomic weights of the terminal elements

X

Z

is 162.5. The atomic weight of

Z

is 50 units less than 5 times that of

X

. Identify the periods of

X, Y

Z

respectively in the present periodic table.

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Early Models of Periodic Table

CHEMISTRY

Watch in App

explore_more_icon

Explore more

Dobereiner's Triads

Standard X Chemistry

Join BYJU'S Learning Program

CrossIcon