NEET UG · Chemistry · The Solid State

Schottky and Frenkel Defects

NEET asked Schottky and Frenkel Defects twice, in 2017 and 2022: 2 of the 1,875 questions in the 10 papers from 2017–2026. It belongs to The Solid State (Chemistry). The longest wait between two papers asking it was 5 years.

Updated 2026-10-08

Times asked: 2; in 2017–2026
Papers: 2; of 10
First asked: 2017; last in 2022
Chance next paper: 4%; calibrated historical rate

Questions on this idea, by paper

2017–2026. 2017 and 2022.

How NEET framed it

Assertion–reason is the usual form. Skill tested: concept.

Assertion-reason on crystal defects
Incorrect statement selection on solid state

Chance asked next paper 4%

Every question

All 2 questions

From the official NEET UG papers, newest first. Open one for the full question, the options and the official answer.

2022 Q 65 Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A) : In a particular\dots Assertion-reason \cdot Medium 2017 Q 50 Which is the incorrect statement ? One-line MCQ \cdot Medium

Papers: NEET 2017, NEET 2022.

Same topic

Other ideas in The Solid State

The Solid State has 6 ideas NEET has asked; 3 of them came up in more than one question.

Number and Location of Voids3× · 2023
Density of a Unit Cell2× · 2022
Crystal Systems and Bravais Latticesonce · 2021
Radius-Edge Relations in Cubic Cellsonce · 2020
Formula from Void Occupancyonce · 2019

Topic analysis Chapter analysis