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Strong reducing behaviour of H3PO2 is due to
  • a)
    presence of one –OH group and two P–H bonds
  • b)
    high electron gain enthalpy of phosphorus
  • c)
    high oxidation state of phosphorus
  • d)
    presence of two –OH groups and one P–H bond
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
Strong reducing behaviour of H3PO2 is due toa)presence of one –O...
P-H bond and two P-OH bonds
b) presence of three P-H bonds
c) presence of two P-H bonds and one P=O bond
d) presence of two P-OH bonds and one P=O bond

The correct answer is d) presence of two P-OH bonds and one P=O bond.

H3PO2, also known as phosphorous acid, has two hydroxyl (-OH) groups and one double bond between phosphorus and oxygen (P=O). These functional groups make the molecule a strong reducing agent. The P-OH bonds can easily donate electrons, while the P=O bond can accept electrons, leading to a redox reaction. Therefore, the reducing behaviour of H3PO2 is due to the presence of two P-OH bonds and one P=O bond.
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Strong reducing behaviour of H3PO2 is due toa)presence of one –O...
The acids which contain P–H bond have strong reducing properties. Thus H3PO2 acid is good reducing agent as it contains two P–H  bonds. For example, it reduces AgNO3 to metallic silver.
4 AgNO3 + 2H2O + H3PO2 → 4Ag + 4HNO3 + H3PO4
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Strong reducing behaviour of H3PO2 is due toa)presence of one –OH group and two P–H bondsb)high electron gain enthalpy of phosphorusc)high oxidation state of phosphorusd)presence of two –OH groups and one P–H bondCorrect answer is option 'A'. Can you explain this answer?
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Strong reducing behaviour of H3PO2 is due toa)presence of one –OH group and two P–H bondsb)high electron gain enthalpy of phosphorusc)high oxidation state of phosphorusd)presence of two –OH groups and one P–H bondCorrect answer is option 'A'. Can you explain this answer? for JEE 2024 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about Strong reducing behaviour of H3PO2 is due toa)presence of one –OH group and two P–H bondsb)high electron gain enthalpy of phosphorusc)high oxidation state of phosphorusd)presence of two –OH groups and one P–H bondCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for JEE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Strong reducing behaviour of H3PO2 is due toa)presence of one –OH group and two P–H bondsb)high electron gain enthalpy of phosphorusc)high oxidation state of phosphorusd)presence of two –OH groups and one P–H bondCorrect answer is option 'A'. Can you explain this answer?.
Solutions for Strong reducing behaviour of H3PO2 is due toa)presence of one –OH group and two P–H bondsb)high electron gain enthalpy of phosphorusc)high oxidation state of phosphorusd)presence of two –OH groups and one P–H bondCorrect answer is option 'A'. Can you explain this answer? in English & in Hindi are available as part of our courses for JEE. Download more important topics, notes, lectures and mock test series for JEE Exam by signing up for free.
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