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 C) A reaction can result in either oxidation or reduction, not both. 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 The fluorocarbon compound C2Cl3F3 has a normal boiling point of 47.6 ∘C. AB, ABC, BCD, etc. We have provided Redox Reactions Class 11 Chemistry MCQs Questions with Answers to help students understand the concept very well. B) Reduction is the gain of electrons. Which of the following statements about redox reactions is FALSE? Enter all that apply in alphabetical order (e.g. A) In a redox reaction, an electron is lost by the reducing agent. E) All of the above statement are true. A) MnO4 - is being oxidized to Mn2+ B) Mn in MnO4 - undergoes a change in oxidation state from -1 to +2. Which Of The Statements Below Is True About The Following Redox Reaction Occurring In Aqueous Solution? B) In a redox reaction, an electron is lost by the oxidizing agent. 28. CaC 2 (s) + H 2 O(l) HCCH(g) + CaO(s) Ans: False 29. The p-Block Elements - Part2. In non-redox reactions, the oxidation numbers of all elements remain unchanged. 8. A) h will decrease B) h will not change C) h will increase (blank 8) 5Fe2+ + MnO2 + 8H+ + 5Fe3+ + Mn2+ + 4H2O. (6 points) The reaction type is redox reaction. ClO4− + Cl− <--> ClO− + Cl2 (Acidic) 1.) For the redox reaction shown above, determine which of the following statements are true. C) In a redox reaction, the oxidized species gains electrons. Potassium loses electrons during the reaction and the electrons are gained by hydrogen in water. Here magnesium atom transfers two electrons one each to the two chlorine atoms. i) What are the products of this reaction? MCQ Questions for Class 11 Chemistry with Answers were prepared based on the latest exam pattern. iii) Which element is being oxidized? 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? ): 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.) The s-Block Elements. Which one of the following statements about ozone and ozone layer is true? Since potassium reacts by losing electrons, that is an oxidation reaction. Check the below NCERT MCQ Questions for Class 11 Chemistry Chapter 8 Redox Reactions with Answers Pdf free download. A) Oxidation is the loss of electrons. C) O in MnO4 - undergoes a change in oxidation state from -1 to -2. AIPMT 1997: Which of the following involves a redox reaction? KEAM 2015. Which of the following is true about a redox reaction? 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. Identify the correct statement. Choose the disproportionation reaction among the following redox reactions. Classify the statements about redox reactions as true or false. 10. TRUE/FALSE: The following reaction is a redox reaction. Redox reactions are reactions during which electron transfer takes place. iv) Which element is being reduced? D) In a redox reaction, the reduced species loses electrons. Potassium reacts with water to form potassium hydroxide and hydrogen gas which is a redox type of reaction. ii) Write the balanced equation for the complete reaction. 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? 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