Which of the following is true about a redox reaction? Classify the statements about redox reactions as true or false. Choose the disproportionation reaction among the following redox reactions. D) In a redox reaction, the reduced species loses electrons. C) In a redox reaction, the oxidized species gains electrons. MCQ Questions for Class 11 Chemistry with Answers were prepared based on the latest exam pattern. 28. Identify the correct statement. 8. E) All of the above statement are true. A) Oxidation is the loss of electrons. Which one of the following statements about ozone and ozone layer is true? A) In a redox reaction, an electron is lost by the reducing agent. Redox reactions are reactions during which electron transfer takes place. C) A reaction can result in either oxidation or reduction, not both. Potassium reacts with water to form potassium hydroxide and hydrogen gas which is a redox type of reaction. iii) Which element is being oxidized? CaC 2 (s) + H 2 O(l) HCCH(g) + CaO(s) Ans: False 29. Determining whether a reaction is a redox reaction or a non-redox reaction: (a) If one of the elements shows a change in oxidation number, it is sufficient to conclude that the reaction is a redox reaction. ): A) Cl is oxidized B) Cl is reduced C) O is oxidized D) O is reduced E) water is oxidized F) water is reduced 2.) What mass of silver chloride can be prepared by the reaction of 100.0 mL of 0.20 M silver nitrate with 100.0 mL of 0.15 M calcium chloride? Since potassium reacts by losing electrons, that is an oxidation reaction. C) O in MnO4 - undergoes a change in oxidation state from -1 to -2. Check the below NCERT MCQ Questions for Class 11 Chemistry Chapter 8 Redox Reactions with Answers Pdf free download. The p-Block Elements - Part2. For the redox reaction shown above, determine which of the following statements are true. AB, ABC, BCD, etc. Potassium loses electrons during the reaction and the electrons are gained by hydrogen in water. (blank 8) 5Fe2+ + MnO2 + 8H+ + 5Fe3+ + Mn2+ + 4H2O. 10. What will happen to the height (h) of the mercury column in the manometer shown below if the stopcock is opened, given that the atmospheric pressure is 755 mmHg? TRUE/FALSE: The following reaction is a redox reaction. (6 points) The reaction type is redox reaction. B) In a redox reaction, an electron is lost by the oxidizing agent. ClO4− + Cl− <--> ClO− + Cl2 (Acidic) 1.) Here magnesium atom transfers two electrons one each to the two chlorine atoms. ii) Write the balanced equation for the complete reaction. KEAM 2015. A) h will decrease B) h will not change C) h will increase Which of the following is true about a redox reaction?OIn a redox reaction, an electron is lost by the reducing agent.In a redox reaction, an electron is lost by the oxidizing agent.In a redox reaction, the oxidized species mains electrons.In a redox reaction, the reduced species loses electrons.O AIPMT 1997: Which of the following involves a redox reaction? B) Reduction is the gain of electrons. The fluorocarbon compound C2Cl3F3 has a normal boiling point of 47.6 ∘C. The s-Block Elements. Which of the following statements about redox reactions is FALSE? A) MnO4 - is being oxidized to Mn2+ B) Mn in MnO4 - undergoes a change in oxidation state from -1 to +2. D) A reaction involving elemental oxygen is a redox reaction. (A) Reaction of H2SO4 with NaOH (B) Production of ozone from oxygen in the atmosphere by Which Of The Statements Below Is True About The Following Redox Reaction Occurring In Aqueous Solution? 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