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(A): Zinc does not show characteristic p...

(A): Zinc does not show characteristic properties of transition metals
(R): The outer most shell of zinc is completely filled 

A

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

B

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

C

(A) is true but (R) is false

D

Both (A) and (R) are false

Text Solution

Verified by Experts

The correct Answer is:
A
Both (A) and (R) are true and (R) is the correct explanation of (A)
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AAKASH SERIES-D-BLOCK ELEMENTS-OBJECTIVE EXERCISE-4 (ASSERTION (A) & REASON (R) TYPE QUESTIONS )
  1. (A) The most common oxidation state of lanthanides is + 3. (R) Lanth...

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  2. (A): Ce^(4+) is a good oxidizing agent. (R): Sm^(2+) is a good reduc...

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  3. (A): Zinc does not show characteristic properties of transition metals...

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  4. (A): K(2)CrO(4) has yellow colour due to charge transfer (R) : CrO(4...

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  5. (A) The highest oxidation state of chromium in its compounds is + 6 ...

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  6. (A) CrO3, reacts with HCl to form chromyl chloride gas (R) Chromyl c...

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  7. (A) Tungsten has a very low melting point (R) Tungsten is a covalent...

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  8. (A) Cu^+ ion is coloured in aqueous solutions (R) Four water molecul...

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  9. (A) Equivalent mass of KMnO4 is equal to one-third of its molecular ma...

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  10. (A) Ce^(4+) is used as an oxidising agent in volumetric analysis. (R...

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  11. (A) In MnO(4)^(-) the M-O bonds are ionic . (R) The oxidation number ...

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  12. (A) Mn atom loses ns electrons first during ionization as compared to ...

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  13. (A) Aqueous solution of FeCl3 is acidic due to cationic hydrolysis ...

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  14. (A) Mercury is liquid at room temperature (R) In mercury, there is ...

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  15. (A) The purple colour of KMnO4 is due to the charge transfer transitio...

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  16. (A) The highest oxidation state of Os is +8. (R) Osmium is a 5d elem...

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  17. (A) Atomic size of silver is almost equal to that of gold. (R) d sub...

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  18. (A) Cr^(+2) is strong reducing agent in aqueous solution. (R) Cr^(+2...

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  19. (A) Potassium dichromate is used as a primary standard in volumetric a...

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  20. (A) Potassium ferrocyanide and potassium ferricyanide both are paramag...

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