Quantrex Quantrex AcademyJEE · NEET · NDA PYQs with solutions Open app
JEE Main 20199 JanuaryEvening Shift
Exam
JEE Main
Year
2019
Date
9 January
Shift
Evening Shift
Subject
Chemistry
Chapter
p Block Elements (Group 15, 16, 17 & 18)

JEE Main 2019 · 9 January · Evening Shift · Chemistry · p Block Elements (Group 15, 16, 17 & 18)

Good reducing nature of H _ 3 P O _ 2 is attributed to the presence...

Good reducing nature of H3PO2{H}_{3}P{O}_{2} is attributed to the presence of:Good reducing nature of H _ 3 P O _ 2 is attributed to the presence of:

Options

  1. AOne P−HP - H bond
  2. BTwo P−OHP - OH bonds
  3. CTwo P−HP - H bond
  4. DOne P−OHP - OH bond

Correct answer

C. Two P−HP - H bond

Step-by-step solution

Good reducing nature of H _ 3 P O _ 2 is attributed to the presence of:

The hydrogen atoms in OHOH bond are ionizable and are acidic whereas the hydrogen atoms in P−HP - H bonds have reducing property. There are two such P−HP - H bonds in Hypophosphours acid.

Practice p Block Elements (Group 15, 16, 17 & 18) on Quantrex Academy →

More from p Block Elements (Group 15, 16, 17 & 18)

Correct statement(s) about the compounds X , Y and Z is(are) JEE Advanced 2026Correct statement(s) about the compounds P , Q and R is(are) JEE Advanced 2026Find the correct statements related to group 15 hydrides. A. Reducing nature increases… JEE Main 2026Treatment of a gas ' X ' with a freshly prepared ferrous sulphate solution gives a… JEE Main 2026Correct statements from the following are: A. Nitrogen in oxidation states from +1 to +4… JEE Main 2026Given below are two statements: Statement I: The covalency of oxygen is generally two but… JEE Main 2026Given below are two statements : Statement (I) : Oxidising power of halogens decreases in… JEE Main 2026Given below are two statements : Statement I : The increasing order of boiling point of… JEE Main 2026 Full p Block Elements (Group 15, 16, 17 & 18) list All JEE Main PYQs