TRUE/FALSE: The following reaction is a redox reaction. C) O in MnO4 - undergoes a change in oxidation state from -1 to -2. A) In a redox reaction, an electron is lost by the reducing agent. 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? Here magnesium atom transfers two electrons one each to the two chlorine atoms. i) What are the products of this reaction? Classify the statements about redox reactions as true or false. ): 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.) B) Reduction is the gain of electrons. KEAM 2015. D) In a redox reaction, the reduced species loses electrons. 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. ClO4− + Cl− <--> ClO− + Cl2 (Acidic) 1.) C) A reaction can result in either oxidation or reduction, not both. Check the below NCERT MCQ Questions for Class 11 Chemistry Chapter 8 Redox Reactions with Answers Pdf free download. D) A reaction involving elemental oxygen is a redox reaction. AIPMT 1997: Which of the following involves a redox reaction? iii) Which element is being oxidized? 10. Which Of The Statements Below Is True About The Following Redox Reaction Occurring In Aqueous Solution? A) MnO4 - is being oxidized to Mn2+ B) Mn in MnO4 - undergoes a change in oxidation state from -1 to +2. B) In a redox reaction, an electron is lost by the oxidizing agent. Enter all that apply in alphabetical order (e.g. E) All of the above statement are true. (A) Reaction of H2SO4 with NaOH (B) Production of ozone from oxygen in the atmosphere by AB, ABC, BCD, etc. CaC 2 (s) + H 2 O(l) HCCH(g) + CaO(s) Ans: False 29. For the redox reaction shown above, determine which of the following statements are true. A) Oxidation is the loss of electrons. iv) Which element is being reduced? (blank 8) 5Fe2+ + MnO2 + 8H+ + 5Fe3+ + Mn2+ + 4H2O. 28. Which one of the following statements about ozone and ozone layer is true? ii) Write the balanced equation for the complete reaction. 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? Potassium reacts with water to form potassium hydroxide and hydrogen gas which is a redox type of reaction. (6 points) The reaction type is redox reaction. In non-redox reactions, the oxidation numbers of all elements remain unchanged. 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 A) h will decrease B) h will not change C) h will increase The s-Block Elements. The p-Block Elements - Part2. Identify the correct statement. The fluorocarbon compound C2Cl3F3 has a normal boiling point of 47.6 ∘C. Choose the disproportionation reaction among the following redox reactions. Redox reactions are reactions during which electron transfer takes place. MCQ Questions for Class 11 Chemistry with Answers were prepared based on the latest exam pattern. 8. We have provided Redox Reactions Class 11 Chemistry MCQs Questions with Answers to help students understand the concept very well. Since potassium reacts by losing electrons, that is an oxidation reaction. 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