H2S is less acidic than H2Te . Give reasons.
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ஜ۩۞۩ஜ ӇЄƳƛ MƛƬЄ ஜ۩۞۩ஜ
Answer...
H2S is less acidic than H2Te because Te has larger size than S as size increases down the group.
Due to this , the energy required to dissociate (E-H) bond decreases and hydrogen can be released easily.
Thus , acidic character increases.
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Answered by
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H2S is less acidic than H2Te because as the size of the element increases down the group E---H Bond lengtj increase and hence E---H Bond dissociation energy decreases.
In other words H---S bond dissociation energy is higher than that of H---Te bond dissociation energy and hence H---S bond breaks easily than H---Te
Therefore H₂S is a weaker acid than H₂Te.
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