Imperfections in Solids & Semiconductors JEE-Mains MCQs (2014-2026) The Solid State (OLD NCERT) Chemistry NEET Practice Questions, MCQs, Past Year Questions (PYQs), NCERT Questions, Question Bank, Class 11 and Class 12 Questions, and PDF solved with answers, NEETprep,neet questions, neet practice questions, neet practice paper,neetprep, neetprep practice questions, mock test neet, neet physics questions, neet mcq, neet questions with answers, neet questions with explanations,NEET attempt,NEET test series, AIIMS Delhi preparation,NEET rank rewards, NTA level NEET questions, NEET online coaching,physicswallah neet, physicswala neet,allen neet, akash neet, physics online course, chemistry online course,biology online course, zoology online course, botany online course, Aryan Raj Singh NEET course

Q1:

The percentage of \(Fe^{2+} \) ions in \(Fe_{0.93}O \) is:

1. 15 %
2. 85 %
3. 65 %
4. 35 %

Subtopic: Imperfections in Solids & Semiconductors |

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Q2:

In a non-stoichiometry compound, M_0.83O, M exists in two states +2 and +3. Calculate the percentage of M²⁺ ion in the compound?

1. 59 %
2. 64 %
3. 52 %
4. 68 %

Subtopic: Imperfections in Solids & Semiconductors |

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Q3:

The metallic as well as ferromagnetic compound among the following is-
1. TiO₂
2. CrO₂
3. VO₂
4. MnO₂

Subtopic: Imperfections in Solids & Semiconductors |

62%

Level 2: 60%+

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