NEET UG 2018 · Chemistry · Question 50
NEET 2018 Chemistry, question 50
Question 50 of the NEET 2018 paper (code AA) is a Chemistry question from The p-Block Elements (Class 12). Its idea, Trends in Groups 15 to 18, was asked 4 times, in 2018, 2021 and 2024, across NEET 2017–2026. The CBSE official answer key gives option 3.
Updated 2026-10-08
Q50 · Chemistry
Which of the following statements is not true for halogens ?
- 1All but fluorine show positive oxidation states.
- 2All are oxidizing agents.
- 3All form monobasic oxyacids.Official answer
- 4Chlorine has the highest electron-gain enthalpy.
Official answer: option 3 · CBSE official answer key
Same idea
Trends in Groups 15 to 18, in other papers
NEET asked this idea 4 times, in 2018, 2021 and 2024. The other 3 questions below.
- 2024 Q72Among Group 16 elements, which one does NOT show oxidation state?One-line MCQ · Easy
- 2021 Q73Statement I : Acid strength increases in the order given as HF << HCl << HBr << HI. Statement II : As the size of the elements F, Cl, Br,…Two statements · Easy
- 2021 Q100In which one of the following arrangements the given sequence is not strictly according to the properties indicated against it ?One-line MCQ · Medium
Trends in Groups 15 to 18: every question and how it was framed
The chapter
The p-Block Elements (Class 12) in ten years of NEET
23 questions from 2017–2026, asked in 10 of 10 papers, about 2.2 a paper. p-Block Elements (Groups 15-18) alone had 23.