The correct order of reactivity of alkalimetals towards H 2 isA- Na Na - K - Rb - CsD- Na - Li - K - Rb - Cs

The correct option is C Li gt; Na gt; K gt; Rb gt; Cs reactivity of alkalimetals decreases down the group ...

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The correct o...

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The correct order of reactivity of alkalimetals towards $H_{2}$ is

Li < Na < K < Rb < Cs

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Li > Na > K > Rb > Cs

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Na < Li < K < Rb < Cs

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Na > Li > K > Rb > Cs

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N a, L i, R b,

K

The order of decreasing ionisation enthalpy in alkali metals is
(a) Na> Li > K> Rb (b) Rb< Na< K< Li
(c) Li > Na> K> Rb (d) K< Li < Na < Rb

(L i^{\oplus}, N a^{\oplus}, K^{\oplus}, R b^{\oplus})

(L i^{⨁}, N a^{⨁}, K^{⨁}, R b^{⨁})

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