S Block Elements Question 146
Question: With the increase in atomic weights, melting points of the alkali metals
[MP PMT 1995]
Options:
A) Increase
B) Decrease
C) Remain constant
D) Do not show definite trend
Show Answer
Answer:
Correct Answer: B
Solution:
Element - | Li | Na | K | Rb | Cs |
---|---|---|---|---|---|
M.pt in K - | 4535 | 370.8 | 336.2 | 312 | 301.5 |