JEE Main Chemistry · The p-Block Elements
Phosphorus Oxoacids
Phosphorus Oxoacids (The p-Block Elements) was asked 3 times in 3 JEE Main shifts, 2021–2023, out of the 42 shifts Lumi analysed. 1 of the 3 had a numerical answer.
- Times asked
- 3
- in 3 shifts
- Years
- 2021–2023
- Usual format
- Single correct
- Calculation
- Pattern
- Comes in cycles
- repeats across shifts
How it is asked
- Base needed to neutralise phosphorus oxoacids
- Ratio of sigma and pi bonds
Difficulty
Easy 0Medium 3Hard 0
Where it sits
Chapter: The p-Block Elements. Topic: Group 15 & 16, 14 questions over 8 ideas.
Other repeat ideas in this topic
Every time it came
All 3 questions
Newest first, each with its options and official answer.
- 8 Apr 2023, Shift 2 · Q88The ratio of sigma and bonds present in pyrophosphoric acid is ____________.MediumNumerical value
- 29 Jun 2022, Shift 1 · Q71The oxoacid of phosphorus that is easily obtained from a reaction of alkali and white phosphorus and has two P-H bonds, is :MediumSingle correct
- 16 Mar 2021, Shift 2 · Q37The exact volumes of 1 M NaOH solution required to neutralise 50 mL of 1 M solution and 100 mL of 2 M…MediumSingle correct