MHT CET 2023 10th May Evening Shift | Redox Reactions Question 42 | Chemistry

$$3 \mathrm{H}_3 \mathrm{AsO}_{3(\mathrm{aq})}+\mathrm{BrO}_{3(\mathrm{aq})}^{-} \rightarrow \mathrm{Br}_{(\mathrm{aq})}^{-}+3 \mathrm{H}_3 \mathrm{AsO}_4$$

As and $$\mathrm{O}$$

$$\mathrm{Br}$$ and $$\mathrm{As}$$

$$\mathrm{As}$$ and $$\mathrm{Br}$$

$$\mathrm{Br}$$ and $$\mathrm{O}$$

MHT CET 2023 10th May Morning Shift

MCQ (Single Correct Answer)

-0

What is the value of $$x$$ in order to balance following redox reaction?

$$\mathrm{Mn}_{(\mathrm{aq})}^{2+}+x \mathrm{ClO}_{3(\mathrm{aq})}^{-} \rightarrow \mathrm{MnO}_{2(\mathrm{~s})}+x \mathrm{ClO}_{2(\mathrm{aq})}$$

$$x=1$$

$$x=2$$

$$x=3$$

$$x=4$$

MHT CET 2023 9th May Morning Shift

MCQ (Single Correct Answer)

-0

What is the oxidation state of carbon in $$\mathrm{CaC}_2$$ and $$\mathrm{K}_2 \mathrm{C}_2 \mathrm{O}_4$$ respectively?

$$-2$$ and $$+6$$

$$-1$$ and $$+3$$

$$+2$$ and $$+2$$

$$-2$$ and $$+3$$

MHT CET 2022 11th August Evening Shift

MCQ (Single Correct Answer)

-0

Which one of the following conversions does NOT involve either oxidation or reduction?

$$\mathrm{Na} \rightarrow \mathrm{Na}^{+}$$

$$\mathrm{VO}_2^{+} \rightarrow \mathrm{V}_2 \mathrm{O}_3$$

$$\mathrm{Zn}^{2+} \rightarrow \mathrm{Zn}$$

$$\mathrm{CrO}_4^{2-} \rightarrow \mathrm{Cr}_2 \mathrm{O}_7^{2-}$$

PREVIOUS NEXT

MHT CET Subjects

Browse all chapters by subject

Chemistry

Physical Chemistry

Some Basic Concepts of Chemistry Atomic Structure States of Matter Thermodynamics Chemical Equilibrium Ionic Equilibrium Liquid Solution Redox Reactions Surface Chemistry Solid State Electrochemistry Chemical Kinetics Nuclear Chemistry

Inorganic Chemistry

Periodic Table and Periodicity Chemical Bonding and Molecular Structure Metallurgy Hydrogen and It's Compounds s-Block Elements p-Block Elements d and f Block Elements Coordination Compounds Environmental Chemistry

Organic Chemistry

IUPAC Nomenclatures General Organic Chemistry Isomerism Hydrocarbons Haloalkanes and Haloarenes Alcohol, Phenols and Ethers Aldehyde and Ketone Carboxylic Acids and Its Derivatives Compounds Containing Nitrogen Polymers Biomolecules Chemistry in Everyday Life Practical Organic Chemistry