Chemistry Crash Course NEET>Chapter 6 - Redox Reactions>Level 1>Q 12

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Earn 100

When ${Sn}^{2 +}$ changes to ${Sn}^{4 +}$ in a reaction, then:

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Important Questions on Redox Reactions

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Chemistry Crash Course NEET>Chapter 6 - Redox Reactions>Level 1>Q 13

Oxidation number of carbon in carbon suboxide

(C_{3} O_{2})

is ____.

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Chemistry Crash Course NEET>Chapter 6 - Redox Reactions>Level 1>Q 14

The oxidation number of

Ba

in barium peroxide is

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Chemistry Crash Course NEET>Chapter 6 - Redox Reactions>Level 1>Q 15

What is the sum of the oxidation numbers of all the atoms in

({NH}_{4})_{2} {SO}_{4}

?

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Chemistry Crash Course NEET>Chapter 6 - Redox Reactions>Level 1>Q 16

Which of the following acids contain sulphur in two different oxidation states?

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Chemistry Crash Course NEET>Chapter 6 - Redox Reactions>Level 1>Q 17

In which of the following compounds, sulphur exhibits both positive and negative oxidation states?

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Chemistry Crash Course NEET>Chapter 6 - Redox Reactions>Level 1>Q 18

The oxidation number of osmium is

+ 8

in its oxide. What is the correct formula of the oxide?

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Chemistry Crash Course NEET>Chapter 6 - Redox Reactions>Level 1>Q 19

In which of the following compounds, oxygen exhibits fractional oxidation state?

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Chemistry Crash Course NEET>Chapter 6 - Redox Reactions>Level 1>Q 20

In the reaction ${({NH}_{4})}_{2} {Cr}_{2} O_{7} \to N_{2} + 4 H_{2} O + {Cr}_{2} O_{3}$ ,

What is the number of electrons lost by each $N$ atom?