What is oxidation reaction ?

1 Answer

Answer :

The reaction in which electrons are lost or donated is called oxidation reaction.

Related questions

Description : What is the half-reaction of oxidation ?

Last Answer : Atoms , radicals or ions that release or reject electrons during a chemical reaction act as toxins. The release of electrons by the toxin causes the atoms of the corresponding element to oxidize. ... reaction, that is, the conversion of sodium into sodium ions, is called oxidation half-reaction.

Description : Why is electrolysis an oxidation reaction ?

Last Answer : If electrons are exchanged in a reaction, it is called oxidation reaction. In the process of electrolysis, positive ions take electrons from the cathode (oxidation) and negative ions leave electrons (oxidation) at the anode. Therefore , electrolysis is an oxidation process.

Description : What is oxidation reaction ?

Last Answer : : The reaction in which the active component of an element present in the reaction increases or decreases is called oxidation reaction.

Description : What happens in oxidation reaction ?

Last Answer : Electron loss occurs in oxidation reaction.

Description : The working of a dry cell is based on - (1) Decomposition reaction (2) Spontaneous oxidation-reduction reaction (3) Combination reaction. (4) Electrolysis

Last Answer : (4) Electrolysis Explanation: A dry cell is a type of battery that uses a paste electrolyte, with only enough moisture to allow current to flow. It works in accordance with Faraday's law of ... of the cell (the positive electrode), and the space between them is filled with an electrolyte paste.

Description : The reaction between an acid and a base to give a salt and water is known as a - (1) Neutralisation reaction (2) Reduction reaction (3) Oxidation reaction (4) Exothermic reaction

Last Answer : (1) Neutralisation reaction Explanation: The effect of a base is nullified by an acid and vice-versa. Example: Reaction of Sodium hydroxide with hydrochloric acidNaOH(aq) + HCl(aq) → NaCl(aq) + H2O(l)

Description : Oxidation of toluene with chromyl chloride gives benzaldehyde. This reaction is known as (a) Perkin reaction (b) Benzoin condensation (c) Etard's reaction (d) Ozonolysis

Last Answer : Etard's reaction

Description : The hydroboration-oxidation reaction can be characterized as the _________ to an alkene. (a) anti-Markovnikov syn addition of water (b) anti-Markovnikov anti addition of water (c) Markovnikov syn addition of water (d) Markovnikov anti addition of water

Last Answer : anti-Markovnikov syn addition of water

Description : The conversion of secondary alcohol to ketones in presence of aluminium isopropoxide and acetone as solvent is? a. Canizarro reaction b. Oppenauer oxidation c. Suzuki reaction d. Aldol Condensation

Last Answer : b. Oppenauer oxidation

Description : A mixture of potassium chlorate, oxalic acid and sulphuric acid is heated. During the reaction which element undergoes maximum change in the oxidation number? (1) C (2) S (3) H (4) Cl

Last Answer : Cl

Description : Which of the following reactions involve NEITHER oxidation nor reduction? w) burning antimony in chlorine x) decomposition of potassium chlorate y) reaction of sodium with water z) reaction of potassium hydroxide with nitric acid

Last Answer : ANSWER: Z -- REACTION OF POTASSIUM HYDROXIDE WITH NITRIC ACID  

Description : The working of a dry cell is based on (1) Decomposition reaction (2) Spontaneous oxidation-reduction reaction (3) Combination reaction (4) Electrolysis

Last Answer : Electrolysis

Description : Which of the following causes the rusting of iron? a. Oxidation b. Reduction c. Chemical reaction with oxygen d. Chemical reaction with CO2 (1) a and b (2) b and c (3) c and d (4) a and c

Last Answer : a and c

Description : Which reaction does not increase or decrease the oxidation number ?

Last Answer : Non-redox reactions do not increase or decrease oxidation.

Last Answer : 4 types of oxidation reaction

Description : summary reaction represents pyruvate oxidation?

Last Answer : Need Answer

Description : Assertion :- In a redox reaction, the oxidation number of the oxidant decreases while that of reductant increases. Reason :- Oxidant gains electron(s)

Last Answer : Assertion :- In a redox reaction, the oxidation number of the oxidant decreases while that of reductant ... D. If both Assertion & Reason are False.

Description : Assertion : In the reaction, `(1)/(2)O_(2)+F_(2)rarrOF_(2)` Fluorine is oxidant. Reason :- Fluorine cannot show positive oxidation state.

Last Answer : Assertion : In the reaction, `(1)/(2)O_(2)+F_(2)rarrOF_(2)` Fluorine is oxidant. Reason :- ... is False. D. If both Assertion & Reason are False.

Description : Which of the following reaction is spontaneous oxidation - reduction reaction

Last Answer : Which of the following reaction is spontaneous oxidation - reduction reaction A. `Mn^(+2)+5Fe^(+3)+4H_(2) ... OrarrMnO_(4)^(-)+5Fe^(+3)+8H^(+)`

Description : `MnO_(2)+4H^(+)+e^(-)rarrMn^(+3)+2H_(2)O` In the above reaction oxidation number of Mn change from :-

Last Answer : `MnO_(2)+4H^(+)+e^(-)rarrMn^(+3)+2H_(2)O` In the above reaction oxidation number of Mn change from :- A. `+2` to ... ` C. `+2` to `+3` D. `+4` to `+3`

Description : Which of the following reaction involves oxidation reduction?

Last Answer : Which of the following reaction involves oxidation reduction? A. `NaBr+Hclrarr NaCl+HBr` B. `HBr + AgNO_(3)rarr ... )O` D. `H_(2)+Br_(2) rarr 2HBr`

Description : During oxidation energy released in a series of slow stepwise reaction controlled by (A)____ and is trapped as (B)____ in the form of (C)____

Last Answer : During oxidation energy released in a series of slow stepwise reaction controlled by (A)____ and is trapped as (B)____ in the form of (C)____

Description : During oxidation energy released in a series of slow stepwise reaction controlled by (A)____ and is trapped as (B)____ in the form of (C)____

Last Answer : During oxidation energy released in a series of slow stepwise reaction controlled by (A)____ and is trapped as (B)____ in the form of (C)____

Description : Give an example of oxidation of halide by another halogen. Explain the feasibility of the reaction.

Last Answer : Give an example of oxidation of halide by another halogen. Explain the feasibility of the reaction.

Description : `underset"Conc."(HCl) + underset"Conc."(HNO_3)to` In this reaction change in oxidation number of N Is ______

Last Answer : `underset"Conc."(HCl) + underset"Conc."(HNO_3)to` In this reaction change in oxidation number of N Is ______

Description : The oxidation state of chrominium in the final product formed in the reaction between `KI` and acidified potassium dichromate soluttion is

Last Answer : The oxidation state of chrominium in the final product formed in the reaction between `KI` and acidified potassium dichromate ... `+6` C. `+2` D. `+3`

Description : `50 mL` of `0.1 M` solution of a salt reacted with `25 mL` of `0.1 M` solution of sodium sulphite. The half reaction for the oxidation of sulphite ion

Last Answer : `50 mL` of `0.1 M` solution of a salt reacted with `25 mL` of `0.1 M` solution of sodium ... was `3`, what would be the new oxidation number of metal:

Description : Sulphide ion reacts with `[Fe(CN)_(5)NO]` to form a purple coloured compound (X). In this reaction oxidation state of iron .

Last Answer : Sulphide ion reacts with `[Fe(CN)_(5)NO]` to form a purple coloured compound (X). In this reaction ... . changes from +2 to +4 D. does not change.

Description : Propylene is subjected to hydroboration oxidation reaction. The product formed would be

Last Answer : Propylene is subjected to hydroboration oxidation reaction. The product formed would be A. Propanal B. 1-Propanol C. 2-Propanol D. Propanone

Description : According to Ellingham diagram the oxidation reaction of carbon and carbon monoxide may be used to reduce which one of the following oxides at the low

Last Answer : According to Ellingham diagram the oxidation reaction of carbon and carbon monoxide may be used to reduce which one of ... B. `Cu_(2)O` C. MgO D. ZnO

Description : Ozone on reaction with one of the following reagents uses all its 3 oxygen atoms for oxidation

Last Answer : Ozone on reaction with one of the following reagents uses all its 3 oxygen atoms for oxidation A. `SO_(2)` B. ` ... of HCl C. `CH_(2)=CH_(2)` D. All

Description : In the above chemical reaction which element does undergo oxidation and which does undergo reduction?

Last Answer : 2Na(s) + H2(g) \(\overset{\Delta}\longrightarrow\) 2NaH(s) In the above ... element does undergo oxidation and which does undergo reduction?

Description : In the reaction mgs plus 2h2oi mgoh2s plus h2g what is the oxidation state of each h in h2g?

Last Answer : What is the answer ?

Description : What is the oxidation half reaction for mgs plus zncl2aq mgcl2aq plus zns?

Last Answer : What is the answer ?

Description : Malic enzyme convers malic acid, in the presence of NADP+ to Pyruvic acid. This reaction is a/an (A) Decarboxylation (B) Decarboxylation and Dehydrogenation (C) Dehydrogenation (D) Oxidation

Last Answer : Answer : B

Description : The energy yield from complete oxidation of products generated by second reaction cycle of β-oxidation of palmitoyl CoA will be (A) 5 ATP (B) 12 ATP (C) 17 ATP (D) 34 ATP

Last Answer : Answer : D

Description : The reaction between methane and chlorine in diffused sunlight is-----? A. Oxidation B. Reduction C. Polymerisation D. Radical substitution (Answer)

Last Answer : D. Radical substitution (Answer)

Description : OXIDATION REACTION

Last Answer : OXIDATION REACTION: The chemical reaction in which reactants gain oxygen to form corresponding oxide is known as oxidation reaction.

Description : All decomposition reaction are endothermic but decomposition of vegetable matter into compost is exothermic because (a) It is an oxidation reaction (b) decomposition done by microbes (c) releases heat energy (d) all the above

Last Answer : (d) all the above

Description : During decomposition, energy is absorbed in the form of heat, light or electricity for breaking down the reactants which is known as: (a) exothermic reaction (b) endothermic reaction (c) reduction reaction (d) oxidation

Last Answer : (b) endothermic reaction

Description : The overall goal of glycolysis, Krebs’ cycle and the electron transport system is the formation of (a) ATP in one large oxidation reaction (b) sugars (c) nucleic acids (d) ATP in small stepwise units

Last Answer : d) ATP in small stepwise units.

Description : When steam is passed over coal resulting in the endothermic reaction represent by, C + H2O = CO + H2 , it is called the __________ of coal. (A) Carbonisation (B) Oxidation (C) Coalification (D) Gasification

Last Answer : (D) Gasification

Description : Nitric acid is produced on commercial scale in a fertiliser plant by (A) Oxidation of ammonia (B) CaNO3 + H2SO4 reaction (C) Passing air through high voltage electric arc (D) None of these

Last Answer : (A) Oxidation of ammonia

Description : Rancidity in sunflower oil is due to — reaction. a. Reduction b. Oxidation c. Both a & b d. None of these

Last Answer : b. Oxidation

Description : During manufacture of H2SO4 , the oxidation of SO2 to SO3 by oxygen is an endothermic reaction. The yield of SO3 will be maximised, if the (A) Temperature is increased (B) Pressure is reduced (C) Temperature is increased and pressure is reduced (D) Temperature is reduced and pressure is increased

Last Answer : (D) Temperature is reduced and pressure is increased

Description : In chamber process of sulphuric acid manufacture in industry, the gas phase oxidation of SO2 to SO3 is accomplished by a __________ reaction. (A) Non-catalytic homogeneous (B) Non-catalytic heterogeneous (C) Catalytic homogenous (D) Catalytic heterogeneous

Last Answer : (C) Catalytic homogenous

Description : Chlorine gas is produced by the electrolysis of brine (NaCl solution with solid NaCl make up) in mercury electrolytic cell. Which of the following is the anodic reaction? (A) Oxidation of Na + ions (B) Oxidation of Cl - ions (C) Reduction of Na + ions (D) Reduction of Cl - ions

Last Answer : (B) Oxidation of Cl - ions

Description : Plants produce carbohydrates from the CO2 present in the atmosphere by (A) Polymerisation (B) Photochemical reaction (C) Oxidation (D) None of these

Last Answer : (B) Photochemical reaction

Description : Plants produce carbohydrates from the CO2 present in the atmosphere by (A) Polymerisation (B) Photochemical reaction (C) Oxidation (D) None of these

Last Answer : (B) Photochemical reaction

Description : The following drug metabolizing reaction is entirely nonmicrosomal: A. Glucuronide conjugation B. Acetylation C. Oxidation D. Reduction

Last Answer : B. Acetylation