Traditional solder is a low melting point alloy of lead and tin. (Some countries havemandated the...

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Chemistry

Traditional solder is a low melting point alloy of lead and tin.(Some countries havemandated the future use of lead-free solders,because of concerns relating to theenvironmental consequences oflead use and disposal.) Using appropriate data gleaned from thetextbook, explain

(i)  why lead has very limited solubility in solid tin(hardly any lead will dissolve in tin at room temperature);

(ii) why tin is moderately soluble in solid lead (approximately3.5% of the atoms in lead can bereplaced by tin at room temperature).

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3.6 Ratings (590 Votes)
The PbSn alloy system is the classic eutectic taught in metallurgy A eutectic is an alloy of specific composition which freezes at a single temperature which is lower than the freezing    See Answer
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