Here we will provide you the 50+ MCQ Questions of Redox Reactions for NEET-UG. Redox Reactions is the chapter 8 in Class XI or Class 11 Chemistry NCERT Unit Redox Reactions NEET (conducted by NTA) is based on the NCERT book.
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Redox Reactions NEET MCQ
Which of the following statements is true about redox reactions?
a) They involve the transfer of protons between species
b) They involve the transfer of electrons between species
c) They only occur in acidic solutions
d) They only occur in basic solutions
Which of the following statements is true about the oxidation state of an element in a compound?
a) It indicates the number of electrons gained by the element
b) It indicates the number of electrons lost by the element
c) It is always positive
d) It is always negative
Which of the following reactions is an example of a redox reaction?
a) NaCl + H2O → NaOH + HCl
b) HCl + NaOH → NaCl + H2O
c) CaCO3 → CaO + CO2
d) 2H2 + O2 → 2H2O
The oxidation number of sulfur in H2SO4 is:
a) +1
b) +2
c) +4
d) +6
Which of the following is a reducing agent?
a) Ag+
b) Cl2
c) Cu2+
d) Fe3+
Which of the following statements is true about the half-reaction method for balancing redox reactions?
a) It only works for reactions that occur in acidic solutions
b) It involves balancing the oxidation and reduction half-reactions separately
c) It involves balancing the overall equation first, then the individual half-reactions
d) It is only used for reactions that involve the transfer of electrons and protons
In the reaction Al + HCl → AlCl3 + H2, which species is oxidized?
a) Al
b) HCl
c) AlCl3
d) H2
Which of the following statements is true about disproportionation reactions?
a) They involve the transfer of electrons between species of the same element
b) They only occur in acidic solutions
c) They involve the transfer of electrons and protons between species
d) They are not redox reactions
Which of the following is an oxidizing agent?
a) Zn
b) O2
c) Cl-
d) SO4^2-
In the reaction 2MnO4- + 5H2C2O4 + 6H+ → 2Mn2+ + 10CO2 + 8H2O, which species is reduced?
a) MnO4-
b) H2C2O4
c) H+
d) CO2
Which of the following is an example of a redox reaction?
a) 2NaCl + H2SO4 → Na2SO4 + 2HCl
b) NaOH + HCl → NaCl + H2O
c) CaCO3 → CaO + CO2
d) H2O2 → H2O + O2
In the reaction Zn + CuSO4 → Cu + ZnSO4, which species is reduced?
a) Zn
b) CuSO4
Which of the following statements is true about redox reactions?
a) They involve the transfer of protons between species
b) They involve the transfer of electrons between species
c) They only occur in acidic solutions
d) They only occur in basic solutions
Which of the following statements is true about the oxidation state of an element in a compound?
a) It indicates the number of electrons gained by the element
b) It indicates the number of electrons lost by the element
c) It is always positive
d) It is always negative
Which of the following reactions is an example of a redox reaction?
a) NaCl + H2O → NaOH + HCl
b) HCl + NaOH → NaCl + H2O
c) CaCO3 → CaO + CO2
d) 2H2 + O2 → 2H2O
The oxidation number of sulfur in H2SO4 is:
a) +1
b) +2
c) +4
d) +6
Which of the following is a reducing agent?
a) Ag+
b) Cl2
c) Cu2+
d) Fe3+
Which of the following statements is true about the half-reaction method for balancing redox reactions?
a) It only works for reactions that occur in acidic solutions
b) It involves balancing the oxidation and reduction half-reactions separately
c) It involves balancing the overall equation first, then the individual half-reactions
d) It is only used for reactions that involve the transfer of electrons and protons
In the reaction Al + HCl → AlCl3 + H2, which species is oxidized?
a) Al
b) HCl
c) AlCl3
d) H2
Which of the following statements is true about disproportionation reactions?
a) They involve the transfer of electrons between species of the same element
b) They only occur in acidic solutions
c) They involve the transfer of electrons and protons between species
d) They are not redox reactions
Which of the following is an oxidizing agent?
a) Zn
b) O2
c) Cl-
d) SO4^2-
In the reaction 2MnO4- + 5H2C2O4 + 6H+ → 2Mn2+ + 10CO2 + 8H2O, which species is reduced?
a) MnO4-
b) H2C2O4
c) H+
d) CO2
Which of the following is an example of a redox reaction?
a) 2NaCl + H2SO4 → Na2SO4 + 2HCl
b) NaOH + HCl → NaCl + H2O
c) CaCO3 → CaO + CO2
d) H2O2 → H2O + O2
In the reaction Zn + CuSO4 → Cu + ZnSO4, which species is reduced?
a) Zn
b) CuSO4
c) Cu
d) ZnSO4
Which of the following statements is true about redox titrations?
a) They involve the reaction of an acid and a base
b) They involve the reaction of an oxidizing agent and a reducing agent
c) They are always carried out in basic solutions
d) They do not involve the transfer of electrons
Which of the following is an example of a disproportionation reaction?
a) HCl + NaOH → NaCl + H2O
b) 2H2 + O2 → 2H2O
c) 2H2O2 → 2H2O + O2
d) CaCO3 → CaO + CO2
Which of the following statements is true about the oxidation number of an element in a pure element?
a) It is always positive
b) It is always negative
c) It is equal to zero
d) It depends on the element
Which of the following species is a reducing agent?
a) H2SO4
b) H2O2
c) NaOH
d) HNO3
Which of the following statements is true about the reduction half-reaction in a redox reaction?
a) It involves the gain of electrons
b) It involves the loss of electrons
c) It involves the gain of protons
d) It does not involve the transfer of any particles
In the reaction Cl2 + 2KI → 2KCl + I2, which species is oxidized?
a) Cl2
b) KI
c) KCl
d) I2
Which of the following statements is true about the oxidation state of an element in a compound?
a) It indicates the number of electrons gained by the element
b) It is always positive
c) It is always negative
d) It indicates the number of electrons lost by the element
Which of the following is an oxidizing agent?
a) Zn
b) Fe
c) Cl2
d) H2
In the reaction Cu + HNO3 → Cu(NO3)2 + NO + H2O, which species is reduced?
a) Cu
b) HNO3
c) Cu(NO3)2
d) NO
Which of the following statements is true about the oxidation number of hydrogen in a compound?
a) It is always +1
b) It is always -1
c) It can be either +1 or -1 depending on the compound
d) It is always 0
Which of the following is an example of a disproportionation reaction?
a) 2NaCl + H2SO4 → Na2SO4 + 2HCl
b) 2H2 + O2 → 2H2O
c) 2H2O2 → 2H2O + O2
d) CaCO3 → CaO + CO2
Which of the following species is a reducing agent?
a) Fe2+
b) Fe3+
c) MnO4-
d) H+
Which of the following statements is true about a redox reaction?
a) The oxidation number of the oxidizing agent decreases
b) The oxidation number of the reducing agent increases
c) Both the oxidizing and reducing agents lose electrons
d) Both the oxidizing and reducing agents gain electrons
In the reaction 2H2S + 3O2 → 2H2O + 2SO2, which species is oxidized?
a) H2S
b) O2
c) H2O
d) SO2
Which of the following species is an oxidizing agent?
a) H2O
b) NH3
c) KMnO4
d) Ca(OH)2
Which of the following statements is true about the oxidation number of an element in a polyatomic ion?
a) It is equal to the charge of the ion
b) It is always positive
c) It is always negative
d) It is equal to zero
In the reaction Cu + 2AgNO3 → Cu(NO3)2 + 2Ag, which species is oxidized?
a) Cu
b) AgNO3
c) Cu(NO3)2
d) Ag
Which of the following is a redox reaction?
a) NaOH + HCl → NaCl + H2O
b) CaCO3 → CaO + CO2
c) Fe + H2SO4 → FeSO4 + H2
d) CH4 + 2O2 → CO2 + 2H2O
We hope there NEET MCQ of Class 11 Redox Reactions will help you to score an excellent rank in NEET-UG. If you have any queries feel free to write in the comments section. We at Study Rate are always ready to serve our students.
