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P Block Elements question

2015 · Q86
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P Block Elements question

2015 · Q86

NEETChemistryP Block ElementsMCQ+4 / −1
Strong reducing behavior of H3PO2 is due to
  1. A
    high electron gain enthalpy of phosphorus
  2. B
    high oxidation state of phosphorus
  3. C
    presence of two −-−OH groups and one P−-−H bond
  4. D
    presence of one −-−OH group and two P−-−H bonds.
View written solutionFree

Correct answer: D

All oxyacids of phosphorus which have P—H bonds act as strong reducing agents. H3PO2 has two P—H bonds hence, it acts as a strong reducing agent.

AIPMT 2015 Chemistry - p-Block Elements Question 57 English Explanation

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