Which element of group 14 decomposes steam to form dioxide and dihydrogen gas?

Which element of group 14 decomposes steam to form dioxide and dihydrogen gas?
  1. $\mathrm{C}$
  2. $\mathrm{Pb}$
  3. $\mathrm{Ge}$
  4. $\mathrm{Sn}$

Solution

$\mathrm{Sn}(\mathrm{s})+2 \mathrm{H}_2 \mathrm{O}(\mathrm{g}) \rightarrow \mathrm{SnO}_2(\mathrm{~s})+2 \mathrm{H}_2(\mathrm{~g})$

Asked in: AP EAMCET 2023 (19 May Shift 1)

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