In the following questions a statement of assertion (A) followed by a statement of reason (R) is given. Choose the correct option out of the choices given below each question. Assertion(A): Among halogens fluorine is the best oxidant. Reason(R): Fluorine is the most electronegative atom.

Both A and R are true and R is the correct explanation of A.

Both A and R are true and R is not the correct explanation of A.

Direction: In the following questions, a statement of assertion (A) followed by a statement of Reason (R) is given. Choose the correct option out of the choices given below each question. Assertion (A) : Among halogens fluorine is the best oxidant. Reason (R) : Fluorine is the most electronegative atom.

Both A and R are true and R is the correct explanation of A.

Both A and R are true but R is not the correct explanation of A.

Direction: In the following questions, a statement of assertion (A) followed by a statement of Reason (R) is given. Choose the correct option out of the choices given below each question. Assertion (A): In the reaction between potassium permanganate and potassium iodide, permanganate ions act as oxidising agent. Reason (R) : Oxidation state of manganese changes from +2 to +7 during the reaction.

Both A and R are true and R is the correct explanation of A.

Both A and R are true but R is not the correct explanation of A.

Direction: In the following questions, a statement of assertion (A) followed by a statement of Reason (R) is given. Choose the correct option out of the choices given below each question. Assertion (A): In the reaction between potassium permanganate and potassium iodide, permanganate ions act as oxidising agent. Reason (R) : Oxidation state of manganese changes from +2 to +7 during the reaction.

Both A and R are true and R is the correct explanation of A.

Both A and R are true but R is not the correct explanation of A.

Direction: In the following questions, a statement of assertion (A) followed by a statement of Reason (R) is given. Choose the correct option out of the choices given below each question. Assertion (A) : The decomposition of hydrogen peroxide to form water and oxygen is an example of disproportionation reaction. Reason (R) : The oxygen of peroxide is in –1 oxidation state and it is converted to zero oxidation state in O 2 and – 2 oxidation state in H 2 O.

Both A and R are true and R is the correct explanation of A.

Both A and R are true but R is not the correct explanation of A.

Direction: In the following questions, a statement of assertion (A) followed by a statement of Reason (R) is given. Choose the correct option out of the choices given below each question. Assertion (A) : The decomposition of hydrogen peroxide to form water and oxygen is an example of disproportionation reaction. Reason (R) : The oxygen of peroxide is in –1 oxidation state and it is converted to zero oxidation state in O 2 and –2 oxidation state in H 2 O.

Both A and R are true and R is the correct explanation of A.

Both A and R are true but R is not the correct explanation of A.

Direction: In the following questions, a statement of assertion (A) followed by a statement of Reason (R) is given. Choose the correct option out of the choices given below each question. Assertion (A) : Redox couple is the combination of oxidised and reduced form of a substance involved in an oxidation or reduction half cell. Reason (R) : In the representation and and are redox couples.

Both A and R are true and R is the correct explanation of A.

Both A and R are true but R is not the correct explanation of A.

Direction: In the following questions, a statement of assertion (A) followed by a statement of Reason (R) is given. Choose the correct option out of the choices given below each question. Assertion (A): Structure I is more accurate than II Reason (R): More electronegative oxygen atom carries negative charge in I.

Both (A) and (R) are true and (R) is the correct explanation of (A).

Both (A) and (R) are true and (R) is not the correct explanation of (A).

Direction: In the following questions, a statement of assertion (A) followed by a statement of Reason (R) is given. Choose the correct option out of the choices given below each question. Assertion (A) : Redox couple is the combination of oxidised and reduced form of a substance involved in an oxidation or reduction half cell. Reason (R) : In the representation E O Fe 3+ /Fe 2+ and E O Cu 2+ /Cu, Fe 3+ / Fe 2+ and Cu 2+ / Cu are redox couples.

Both A and R are true and R is the correct explanation of A.

Both A and R are true but R is not the correct explanation of A.

Direction: In the following questions, a statement of assertion (A) followed by a statement of Reason (R) is given. Choose the correct option out of the choices given below each question. Assertion (A) : In a reaction Zn(s) + CuSO 4 (aq) → ZnSO 4 (aq) + Cu(s) Zn is a reductant but itself get oxidized. Reason (R) : In a redox reaction, oxidant is reduced by accepting electrons and reductant is oxidized by losing electrons.

(A) is True, (R) is True; (R) is a correct explanation for (A)

(A) is True, (R) is True; (R) is not a correct explanation for (A)

Assertion and Reason Test: Redox Reactions Free MCQ Practice Test with Solutions

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