Q150
According to Hume-Rothery rules, extensive solid solubility between elements X and Y is promoted by the two factors in the following list. P. Same crystal structure of Z and Y. Q. Large atomic size difference (> 20%) between X and Y. R. Same valance of X and Y. S. Large difference in melting points of X and Y.
A.
P, Q
B.
P, R
C.
Q, S
D.
P, S
AnswerAnswer: Option D
Solution
Answer: Option D
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