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Newlands' Law of Octaves

Assertion A: ...

Question

Assertion (A): In Newlands’ octaves, the properties of magnesium and potassium were found to be same.
Reason (R) : Potassium is the seventh element after magnesium in Newland’s octave.

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Solution

According to Newland's octave every eighth element has properties similar to that of first whereas potaasium lies seventh to the magnesium. Hence, there properties can't be simmilar.

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Q. (a) Did Dobereiner's triads also exist in the columns of Newlands' law of octaves? Explain your answer.
(b) What were the limitations of Dobereiner's classification of elements?
(c) What were the limitations of Newlands' law of octaves?

Q. Assertion (A) : In Newlands’ octaves, the properties of lithium and sodium were found to be same.
Reason (R) : Sodium is the eighth element after lithium in Newland’s octave.

Q. According to Newlands’ Law of Octaves, the properties of lithium and sodium were found to be same because sodium is the eighth element, after lithium.

Q. According to Newlands’ law of octaves, the properties of lithium and sodium were found to be same.

Q. State true or false.
According to Newlands’ Law of Octaves, the properties of lithium and sodium were found to be same because sodium is the eighth element after lithium.

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