Question

what were the limitation of newlands law of octaves

Answer 1

here is ur ans dude




Limitations of Newlands’ law of octaves

Newlands assumed that only 56 elements existed in nature and no more elements would be further discovered in the nearer future. But later on several new elements were discovered, whose properties couldn’t be defined as per the Law of Octaves.

In order to fit elements into law of octaves Newlands not only adjusted two elements

in the same slot but also adjusted some unlike elements under the same note.

Cobalt and nickel are in the same slot and are positioned in the same column with fluorine, chlorine and bromine possessing different properties than these elements.

Iron possessing similar properties as cobalt and nickel, is placed far away from these elements.

H

F

Cl

Co/Ni

Br

Pd

I

Pt/Ir

Li

Na

K

Cu

Rb

Ag

Cs

Tl

G

Mg

Ca

Zn

Sr

Cd

Ba/V

Pb

Bo

Al

Cr

Y

Ce/La

U

Ta

Th

C

Si

Ti

In

Zn

Sn

W

Hg

N

P

Mn

As

Di/Mo

Sb

Nb

Bi

O

S

Fe

Se

Ro/Ru

Te

Au

Os

 

Thus, Newlands’ Law of Octaves can be obeyed well by the lighter elements only.





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Answer 2

here is your answer
the limitations of newland law of octave are
1) law of octave was applicable upto calcium
2) newland placed two elements in one box to accommodate the known elements
for eg. co and ni , also ce and la
3)his octave do not contain any provision for newly discovered elements
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