Last Answer : 2 types of non-redox reactions
Description : Find the number of compounds among the following whose hydrolysis is a non-redox reaction. `XeF_(2),XeF_(4),XeF_(6),XeO_(2)F_(2),XeOF_(4),Xe,XeO_(3)`
Last Answer : Find the number of compounds among the following whose hydrolysis is a non-redox reaction. `XeF_(2),XeF_(4),XeF_(6),XeO_(2)F_(2),XeOF_(4),Xe,XeO_(3)`
Description : How can one determine that a redox reaction will be non spontaneous?
Last Answer : The reduction potential plus oxidation potential is negative
Description : Two half-reactions of an electrochemical cell are given below : MnO-4 (aq) + 8H+ (aq) + 5e- → Mn2+ (aq) + 4H2O (I), E° = 1.51 V Sn2+ (aq) → Sn4+ (aq) + 2e- ... the redox equation from the standard potential of the cell and predict if the reaction is reactant favoured or product favoured. -Chemistry
Last Answer : The reactions can be represented at anode and at cathode in the following ways : At anode (oxidation) : Sn2+ → = Sn4+ (aq) + 2e- ] 5 E° = + 0.15 V At cathode (reduction) : MnO-4(aq) + 8H+ ... = E°cathode - E°anode = 1.51 - 0.15 = + 1.36 V ∴ Positive value of E°cell favours formation of product.
Description : Two half-reactions of an electrochemical cell are given below : MnO-4 (aq) + 8H+ (aq) + 5e- → Mn2+ (aq) + 4H2O (I), E° = 1.51 V Sn2+ (aq) → Sn4+ (aq) + ... -reactions and calculate the cell potential from the standard potentials and predict if the reaction is reactant or product favoured. -Chemistry
Last Answer : The reactions can be represented at anode and at cathode in the following ways : At anode (oxidation) : Sn2+ → Sn4+ (aq) + 2e- ] 5 E° = + 0.15 V Af cathode (reduction) : MnO-4(aq) + 8H+ ( ... = E°cathode - E°anode = 1.51 - 0.15 = + 1.36 V ∴ Positive value of E°cell favours formation of product.
Description : CuO + H2 = Cu + H2O. This equation is an example of - (1) Oxidation (2) Decomposition (3) Reduction (4) Redox
Last Answer : (4) Redox
Description : What do you mean by redox couple .
Last Answer : Ans.:- Having together oxidised and reduced forms of a substance taking part in oxidation or reduction half reaction .
Description : What is “redox” reaction?
Last Answer : Ans: “The reaction in which both reduction and oxidation takes place is called redox reaction. Reduction: “Addition of electron in an atom”. Oxidation: “Removal of electron from an atom”.
Description : Which one of the following statements is not correct? A Since voltage depends on concentrations, using standard conditions makes it easier to compare different electrochemical reactions. B We have ... half-reactions are determined by combining the relevant half-cell with a standardised half-cell.
Last Answer : C The direction of a redox reaction can only be determined experimentally.
Description : The marketing budget detail sales screen allows companies to allocate their promotion budget to different media channels. These media channels are: a. Print Media, Outside Sales, Direct Mail, Trade Shows, and E ... Print Media, and Television. e. E-Mail, Web Media, Print Media, and Inside Sales.
Last Answer : b. Print Media, Direct Mail, Trade Shows, E-Mail, and Web Media.
Last Answer : Redox reaction 2 types
Description : Which of the following is/are redox reaction
Last Answer : Which of the following is/are redox reaction A. `KCl+K_(2)Cr_(2)O_(7)+con. H_(2)SO_(4)rarrCrO_(2)Cl_(2 ... 2)Cr_(2)O_(7)+2KOHrarr2K_(2)CrO_(4)+H_(2)O`
Description : In the redox reaction . `MnO_(4)^(-)+C^(2)O_(4)^(2-)+H^(+) rarr Mn^(2+)+CO_(2)+H_(2)O` (Unbalance equation) 20 mL of 0.1 M `KMnO_(4)` react quantitive
Last Answer : In the redox reaction . `MnO_(4)^(-)+C^(2)O_(4)^(2-)+H^(+) rarr Mn^(2+)+CO_(2)+H_(2)O` ( ... . 40 mL of 0.1 M oxalate D. 50 mL of 0.25 M oxalate
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 : For the redox reation `MnO_(4)^(-)+C_(2)O_(4)^(2-)+H^(+)rarrMn^(2+)CO_(2)+H_(2)O` The correct stoichiometric coefficients of `Mno_(4)^(-),C_(2)O_(4)^(
Last Answer : For the redox reation `MnO_(4)^(-)+C_(2)O_(4)^(2-)+H^(+)rarrMn^(2+)CO_(2)+H_(2)O` The correct stoichiometric ... . 16, 5, 2 C. 2, 16, 5 D. 5, 2, 16
Description : Which one of the following is not a redox reaction :-
Last Answer : Which one of the following is not a redox reaction :- A. `CaCO_(3)rarrCaO+CO_(2)` B. `2H_(2)+O_(2)rarr2H_ ... D. `MnCl_(3)rarr MnCl_(2)+(1)/(2)Cl_(2)`
Description : For the redox reaction `Zn+NO_(3)^(-)rarr Zn^(2+)+NH_(4)^(-)` is basic medium, coefficients of `Zn, NO_(3)^(-) and OH^(-)` in the balanced equation re
Last Answer : For the redox reaction `Zn+NO_(3)^(-)rarr Zn^(2+)+NH_(4)^(-)` is basic medium, coefficients of `Zn, NO_(3)^(-) ... . 7, 4, 1 C. 4, 1, 10 D. 1, 4, 10
Description : Which is a redox reaction :
Last Answer : Which is a redox reaction : A. `2CuI_(2)rarrCuI+I_(2)` B. `NaCl+AgNO_(3)rarrAgCl+NaNO_(3)` C. `NH_(4)Cl ... (4))_(3)+6KOHrarr2Cr(OH)_(3)+3K_(2)SO_(4)`
Description : Which of the following is not a redox change ?
Last Answer : Which of the following is not a redox change ? A. `2H_(2)S+SO_(2)rarr2H_(2)O+3S` B. `2BaO+O_(2) ... )+H_(2)O_(2)` D. `2KClO_(3)rarr2KCl+3O_(2)`
Description : Which one of the following is a redox reaction ?
Last Answer : Which one of the following is a redox reaction ? A. `H_(2)+Br_(2)rarr2HBr` B. `2NaCl+H_(2)SO_(4) ... (3)rarrAgCl+HNO_(3)` D. `NaOH+HClrarrNaCl+H_(2)O`
Description : How many are redox reaction- `{:((i),K_(4)[Fe (CN)_(6)] + "conc."H_(2)SO_(4) overset(Delta)rarr,(ii),"conc." H_(2)SO_(4) + KCl rarr),((iii),"conc." H_
Last Answer : How many are redox reaction- `{:((i),K_(4)[Fe (CN)_(6)] + "conc."H_(2)SO_(4) overset(Delta)rarr,(ii)," ... ,((ix),"conc." H_(2)SO_(4) + Cu rarr,,):}`
Description : In the redox reaction, `2MnO_(4)^(-)+5C_(2)O_(4)^(2-)+16H^(+) to 2Mn^(2+)+10CO_(2)+8H_(2)O` 20mL of 0.1 M `KMnO_(4)` reacts quantitatively with :
Last Answer : In the redox reaction, `2MnO_(4)^(-)+5C_(2)O_(4)^(2-)+16H^(+) to 2Mn^(2+)+10CO_(2)+8H_(2)O` 20mL ... 50 mL of 0.25 M oxalate D. 50 mL of 0.1 M oxalate
Description : Which of the following is not a redox reaction ?
Last Answer : Which of the following is not a redox reaction ? A. `KCN+Fe(CN)_(2)rarrK_(4)[Fe(CN)_(6)]` B. `Rb+H_( ... )O_(2)rarrH_(2)O+O` D. `CuI_(2)rarrCuI+I_(2)`
Description : Why does it takes several redox reactions in a cell to water from hydrogen and oxygen?
Last Answer : hydrogen and oxygen combine explosively in a single reaction
Description : In the redox reaction agno3 plus makes and gtnano3 plus ag which element has been oxidized?
Last Answer : Need answer
Description : How can you justify that a reaction between magnesium and oxygen is a redox reaction w hile the reaction shows only addition of oxygen 2mg plus O 2mgo?
Last Answer : Oxidation is a redox reaction.
Description : What purpose does the cell use energy from redox reactions in cellular respiration?
Last Answer : The purpose of cellular respiration is to draw energy, oxygen and also to have carbon dioxide.
Description : What can be said about a redox reaction that has a positive pontential?
Last Answer : What is the answer ?
Description : In the redox reactions of cellular respiration a cell of uses both?
Last Answer : A cell uses both glucose and oxygen in the redox reactions ofcellular respiration.
Description : What is a redox reaction?
Last Answer : A reaction in which electrons have been transferred from one atom to another.
Description : The compound having the lowest redox potential amongst the following is (A) Hydrogen (B) NAD (C) Cytochrome b (D) Cytochrome a
Last Answer : Answer : A
Description : The sequence of the redox carrier in respiratory chain is (A) NAD—FMN—Q—cyt b—cyt c1—cyt c—cyt aa3 → O2 (B) FMN—Q—NAD—cyt b—cyt aa3—cyt c1— cyt c → O2 (C) NAD—FMN—Q—cyt c1—cyt c—cyt b—cyt aa3 → O2 (D) NAD—FMN—Q—cyt b—cyt aa3—cyt c—cyt c1 → O2
Description : The redox carriers are grouped into respiratory chain complex (A) In the inner mitochondrial membrane (B) In mitochondiral matrix (C) On the outer mitochondrial membrane (D) On the inner surface of outer mitochondrial membrane
Description : Redox potential (EO volts) of cytochrome C, Fe3+/Fe2+ is (A) –0.29 (B) –0.27 (C) –0.08 (D) +0.22
Last Answer : Answer : D
Description : Redox potential (EO volts) of ubiquinone, ox/red system is (A) +0.03 (B) +0.08 (C) +0.10 (D) +0.29
Last Answer : Answer : C
Description : Redox potential (EO volts) of NAD+/NADH is (A) –0.67 (B) –0.32 (C) –0.12 (D) +0.03
Last Answer : Answer : B
Description : The oxidation-reduction system having the highest redox potential is (A) Ubiquinone ox/red (B) Fe3+ cytochrome a/Fe2+ (C) Fe3+ cytochrome b/Fe2+ (D) NAD+/NADH
Description : If the more negative standard reduction potential of a redox pair, the greater the tendency to (A) To lose electrons (B) To gain electrons (C) To lose/gain electrons (D) To lose and gain electrons
Last Answer : A
Description : REDOX REACTION
Last Answer : REDOX REACTION: When oxidation and reduction takes place simultaneously in a given chemical reaction. It is known as redox reaction.
Description : Example of redox reactions can be observed in following processes – (a) Corrosion(b) Photosynthesis (c) Respiration (d) All of above
Last Answer : (d) All of above
Description : The Classical example of redox reaction is Combustion of fossil fuel. During combustion of fossil fuels, the carbon compound in the fossil fuel reacts with oxygen in the presence of a heat source to ... to react with oxygen, so the energy used in portion of combustion is an endothermic reaction.
Last Answer : Combustion of fossil fuel
Description : The chemical reaction between Hydrogen sulphide and iodine to give Hydrogen iodide and sulphur is given below: The oxidizing and reducing agents involved in this redox reaction are: (a) ... and hydrogen sulphide respectively (c) Sulphur and iodine respectively (d) Hydrogen sulphide and sulphur
Last Answer : (b) Iodine and hydrogen sulphide respectively
Description : What is not true about tobacco smoking: a. Redox potential favours growth of anaerobic bacteria. b. It is caries immuno-suppressive. c. It is adrenergic. d. Affects neutrophils and chemotactic factors.
Last Answer : b. It is caries immuno-suppressive.
Description : Which of the following is true in regard to smoking, A. Smokers keratosis is common but metaplasia activity is not recognised B. Redox potential is increased resulting in aerobic bacteria C. Tissue perfusion is decreased resulting in increased infection
Last Answer : A. Smokers keratosis is common but metaplasia activity is not recognised
Description : What is true about smokers, A. Causes immunosuppression B. Increased redox potential favours growth of anaerobic organisms C. Defects neutrophil function and characteristics D. Can produce smokers palate but rarely metaplasia
Last Answer : A. Causes immunosuppression
Description : What is not true about tobacco smoking, A. Redox potential is reduced resulting in anaerobic bacteria B. It is immuno-suppressive C. It is adrenergic
Last Answer : B. It is immuno-suppressive
Description : What is NOT true about tobacco smoking: A. Redox potential favours growth of anaerobic bacteria B. It is caries immuno-suppressive C. It is adrenergic D. Affects neutrophils and chemotactic factors
Last Answer : B. It is caries immuno-suppressive
Description : What can cause hot food in the pan (on stove top) explode? See detail.
Last Answer : Water explodes when added to hot oil.