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s-Block Elements
The ratio of volume of the hydrogen liberated at S.T.P when equal amounts of tin reacts with dilute NaOH and conc NaOH.
$\begin{array}{1 1}(a)\;1 : 1&(b)\;1 : 2\\(c)\;2 : 1&(d)\;2 : 3\end{array}$
jeemain
chemistry
class11
s-block-elements
unit10
q37
medium
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asked
Jan 27, 2014
by
sreemathi.v
retagged
Jul 10, 2014
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1 Answer
$Sn+2NaOH(dil)+H_2O\rightarrow Na_2SnO_3(\text{sodium stannate})+2H_2$
$Sn+2NaOH(conc)\rightarrow Na_2SnO_2(\text{sodium stannite})+H_2$
Hence (c) is the correct answer.
answered
Jan 27, 2014
by
sreemathi.v
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