The alkali metal with lowest melting point is:

F r

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C s

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R b

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N a

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Solution

The correct option is A $F r$
On moving down the group of alkali metals, the melting point decreases. Hence francium has the lowest melting point.

Hence, the correct option is $A$

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Similar questions

The alkali metals are low melting . Which of the following alkali metal is expected to melt if the room temperature rises to $30^{\circ}$ C?
(a) Na (b) K (c) Rb (d) Cs

Q. Consider the following statements :
(I)

C s^{+}

ion is more highly hydrated than other alkali metal ions.
(II) Among the alkali metals

L i, N a, K,

and

R b, L i

has the higher melting point.
(III) Among the alkali metals, only

L i

forms a stable nitride by direct combination.

Q. Consider the following statements:
1.

C s^{+}

is more highly hydrated than the other alkali metal ions.
2. Among the alkali metals

L i, N a, K

and

R b

, lithium has the highest melting point.
3. Among the alkali metals only lithium forms a stable nitride by direct combination.
Out of these statements:

Q. Among alkali metals which element do you expect to be least electronegative
a). K. B). Na. C). Cs. D.) Fr

Q. The mobilities of the alkali metal ions in aqueous solution are

L i^{+} < N a^{+} < K^{+} < R b^{+} < C s^{+}

because :

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The alkali metal with lowest melting point is:

The correct option is A FrOn moving down the group of alkali metals, the melting point decreases. Hence francium has the lowest melting point.Hence, the correct option is A

The correct option is A $F r$
On moving down the group of alkali metals, the melting point decreases. Hence francium has the lowest melting point.

Hence, the correct option is $A$