Redox & Electrochemistry Chemistry Online Mock Test: NEET PYQ

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NEET UG Chemistry preparation

Redox & Electrochemistry Chemistry NEET PYQ 2024-18

NEET = National Eligibility-cum-Entrance Test (for admission to undergraduate medical education in all medical institutions)

No of Questions: 10 MCQs
Time: 20 Minutes

Practicing questions from a variety of competitive exams is really valuable. For instance, working on these questions can still sharpen your problem-solving abilities and boost your confidence. Many topics overlap, so broader practice often leads to stronger overall performance.

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1. Which of the following reactions is a decomposition redox reaction? [NEET Re-2022]

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2.

On balancing the given redox reaction,

the coefficients a, b and c are found to be, respectively — [NEET 2023]

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3.

The oxidation states not shown by Mn in given reaction is:

A. +6, B. +2, C. +4, D. +7, E. +3

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4.

The correct option for a redox couple is: (NEET 2023 mpr)

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5.

Which of the following reactions are disproportionation reactions? (NEET 2019)

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6.

Which reaction is NOT a redox reaction? (NEET 2024)

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7.

What is the change in oxidation number of carbon in the following reaction? (2020)

CH4​(g)+4Cl2​(g)→CCl4​(l)+4HCl(g)

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8. The oxidation state of Cr in CrO₅ is (Odisha NEET 2019, 2014)

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9.

The correct structure of tribromooctaoxide is (NEET 2019)

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10.

The correct order of N-compounds in its decreasing order of oxidation states is (NEET 2018)

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NEET UG Chemistry preparation

Redox & Electrochemistry Chemistry NEET PYQ 2017-04

NEET = National Eligibility-cum-Entrance Test (for admission to undergraduate medical education in all medical institutions)

No of Questions: 10 MCQs
Time: 20 Minutes

Practicing questions from a variety of competitive exams is really valuable. For instance, working on these questions can still sharpen your problem-solving abilities and boost your confidence. Many topics overlap, so broader practice often leads to stronger overall performance.

1 / 10

1. Question

2 / 10

2.

In which of the following compounds, nitrogen exhibits highest oxidation state? (2012)

3 / 10

3.

The pair of compounds that can exist together is (2014)

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4. Hot concentrated sulphuric acid is a moderately strong oxidizing agent. Which of the following reactions does not show oxidizing behaviour? (NEET-II 2016)

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5. Oxidation numbers of P in PO43−​, of S in ​ and that of Cr in ​O72−​ are respectively (2009)

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6.

(I) H2O2+O3→H2O+2O
(II) H2O2+Ag2O→2Ag+H2O+O2

Role of hydrogen peroxide in the above reactions is respectively (2014)

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7. When Cl 2 gas reacts with hot and concentrated sodium hydroxide solution, the oxidation number of chlorine changes from

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8. Number of moles of MnO4− required to oxidize one mole of ferrous oxalate completely in acidic medium will be (2008)

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9. A mixture of potassium chlorate, oxalic acid and sulphuric acid is heated. During the reaction which element undergoes maximum change in the oxidation number?

10 / 10

10.

Which is the best description of the behaviour of bromine in the reaction given below? (2004)

H2​O+Br2​→HOBr+HBr

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