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Q.

Newlands' law of octave applies to which of the following set of elements?

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a

B, N, C

b

Be, Mg, Ca

c

As, K, Ca

d

None of these

answer is A.

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Detailed Solution

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Newlands law also known as Law of octaves in which elements are in increasing order of their atomic weights and noted that every eighth element had properties similar to the first element.

Law of octaves are valid up to Ca or atomic number, 20.

Hence, correct option is A.

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