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NTA Abhyas 2020
Exam
NTA Abhyas
Year
2020
Subject
Chemistry
Chapter
s Block Elements

NTA Abhyas 2020 · Chemistry · s Block Elements

Which among the following compounds does not act as a reducing...

Which among the following compounds does not act as a reducing agent?

Options

  1. AH2O{\text{H}}_{\text{2}} \text{O}
  2. BH2S{\text{H}}_{\text{2}} \text{S}
  3. CH2Se{\text{H}}_{\text{2}} \text{Se}
  4. DH2Te{\text{H}}_{\text{2}} \text{Te}

Correct answer

A. H2O{\text{H}}_{\text{2}} \text{O}

Step-by-step solution

Due to high H−O\text{H} - \text{O} bond strength, H2O{\text{H}}_{\text{2}} \text{O} do not act as reducing agent, where as rest of then act as reducing agents.

→ReducingactionincreasesH2SH2SeH2Te\mathop{\to}_{\text{Reducing}\text{action}\text{increases}}^{{\text{H}}_{\text{2}} \text{S}{\text{H}}_{\text{2}} \text{Se}{\text{H}}_{\text{2}} \text{Te}}

due to decrease in H−E\text{H} - \text{E} bond strength.
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