Which of the following possess almost same properties due to lanthanide contraction?
a] Zr, Hf
b] Na, K
c] Zn, Cd
d] Ag, Au
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Which of the following possess almost same properties due to lanthanide contraction?
a] Zr, Hf
b] Na, K
c] Zn, Cd
d] Ag, Au
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Answer:
option a is correct answer.
Explanation:
due to lanthanoids contraction Zr and Hf have same size and same properties.
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