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  • Which one of the following does not react with waters even under red hot condition -  Option: 1 Na <div class='qna-

Which one of the following does not react with waters even under red hot condition -

 

Option: 1

Na 


Option: 2

Be


Option: 3

Ca


Option: 4

K


Answers (1)

best_answer

\begin{aligned} & \mathrm{Ca}+2 \mathrm{H}_2 \mathrm{O} \longrightarrow \mathrm{Ca(OH)}_2+\mathrm{H}_2 \uparrow \\ & \mathrm{Sr}+2 \mathrm{H}_2 \mathrm{O} \longrightarrow \mathrm{Sr} \mathrm{(OH)}_2+\mathrm{H}_2 \uparrow \\ & \mathrm{Na}+2 \mathrm{H}_2 \mathrm{O} \longrightarrow 2 \mathrm{NaOH}+\mathrm{H}_2 \uparrow \\ & \mathrm{K}+2 \mathrm{H}_2 \mathrm{O} \longrightarrow 2 \mathrm{KOH}+\mathrm{H}_2 \uparrow \\ & \mathrm{Be}+2 \mathrm{H}_2 \mathrm{O} \longrightarrow \text { no reaction } \end{aligned}

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himanshu.meshram

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