Which of the following pairs of elements cannot form alloy? (a)K , Cs (b)Cs , Rb (c)Na , K (d)Li , Rb... need explanation
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d) li, rb
these are soft metals alkali metals
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1
Answer:
(d) Li,Rb
Explanation:
Li+ is much smaller than the other ions. So, Li only
mixes with Na and it is immiscible with the metals K,
Rb and Cs.
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