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The s-block Elements — Chemistry STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceChemistryThe s-block Elements2 Marks
Question
  1. Why is Na(Hg) less reactive than Na?
  2. Which has higher density Na or K?
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Answer

  1. Amalgamation increases over voltage and hence, reactivity decreases. Secondly, mercury is less reactive which will make Na(Hg) less reactive.
  2. Na has higher density than K.

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