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Assertion :- In the reaction Zn(s)+cu^...

Assertion :- In the reaction
`Zn(s)+cu^(+2)(aq)rarrZn^(+2)(aq)+Cu(s)`
`Cu^(+2)` ions act as oxidising agent and Zn atoms act as a reducing agent.
Reason :- A substance when readily gain electrons from other, substance is an oxidising agent while reducing agent is a substance which can lose electrons to other susbtances.

A

If both Assertion & Reason are True & the Reason is a correct explanation of the Assertion.

B

If both Assertion & Reason are True but Reason is not a correct explanation of the Assertion.

C

If Assertion is True but the Reason is False.

D

If both Assertion & Reason are False.

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The correct Answer is:
A
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Assertion : In the reaction Zn(s)+Cu^(2+)(aq)rarrZn^(2+)(aq)+Cu(s)Cu^(2+) ions acts as oxidising agent and Zn atoms act as a reducing agent Reason : A substance (atom, ion, or molecule) which readily gain electrons from other substances is an oxidising agent while reducing agent is a substance (atom, ion or molecule) which can lose electrons to other substances.

Which of the following substances acts as an oxidising as well as a reducing agent?

Assertion: A reducing agent is a substance which can donate electron. Reason: A substance which helps in oxidation is known as reducing agent.

STATEMENT-1: In the reaction Zn(s) + Cu^(2+)(aq) to Zn^(2+)(aq) + Cu(s) . Cu^(2+) ions act as oxidising agent and Zn atoms act as a reducing agent. STATEMENT-2: Every redox reaction cannot be splitted into two reactions one being oxidation and the other being reductioin. STATEMENT-3: The oxidation numbers are artifical and are useful as a book keeping device of electrons in reactions.

Which of the following substance (s)can act as an oxidising well as reducing agent ?

Assertion :- A reducing agent is a substance which accepts electron. Reason :- A substanc which helps in oxidaton is known as reducing agent.

ALLEN-REDOX REACTIONS-EXERICSE - 4
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  2. Assertion :- H(2)S+Cl(2)rarr2HCl+S In the above reaction, Cl has bee...

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  4. Assertion :- Zn(s)+Cu^(+2)(aq)rarr Zn^(+2)(aq)+Cu(s) can be spilt into...

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  5. Assertion :- O.N. of carbon in H-C-=N is +4. Reason :- Carbon always...

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  6. Assertion :- Equivalent weight of KMnO(4) in acidic medium is M//5 (M=...

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  7. Assertion :- In NH(4)NO(3), the oxidation number of the two N-atoms is...

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  8. Assertion :- Oxidation state of Hydrogen is +1 in H(2)O while -1 in Ca...

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  9. Assertion :- Oxidation number of carbon in CH(2)O is zero. Reason :-...

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  10. Assertion :- Nitrous acid (HNO(2)) may act as an oxidising agent as we...

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  11. Assertion :- Oxidation number of Ni in [Ni(CO)(4)] is zero. ltbr. Reas...

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  12. Assertion :- A reducing agent is a substance which accepts electron. ...

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  13. Assertion :- Bromide ion is serving as a reducing agent in the reactio...

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  14. Assertion :- Equivalent weight of NH(3) in the reaction N(2) rarrNH(3)...

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  15. Assertion :- In acidic medium, equivalent weight of K(2)Cr(2)O(7) is e...

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  16. Assertion :- In a redox reaction, the oxidation number of the oxidant ...

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  17. STATEMENT-1 : H(2)SO(4) can not act as reducing agent. STATEMENT-2 :...

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  18. Assertion :- In HClO(4), Chlorine has the oxidation number of +4. Re...

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  19. Assertion :- Oxidation number of S in HSO(3)^(-) is +4. Reason :- Su...

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  20. Assertion :- Oxidation number of Carbon in all it's compounds is +4. ...

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