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The alkali metals are low melting. Which of the following alkali metal is expected to melt if the room temperature rises to 30°C?
  • a)
    Na
  • b)
    K
  • c)
    Rb
  • d)
    Cs
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
The alkali metals are low melting. Which of the following alkali metal...
(D) Among alkali metals, melting point decreases as the strength of metallic bonding decreases with increasing size of the atom. Thus, Cs has the lowest melting point (28.5degreeC) and will melt at 30degreeC.
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The alkali metals are low melting. Which of the following alkali metal is expected to melt if the room temperature rises to 30°C?a)Nab)Kc)Rbd)CsCorrect answer is option 'D'. Can you explain this answer?
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