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In the incorrect statement/s among the f...

In the incorrect statement/s among the following is/are
I. `NCl_(5)` does not exist while `PCl_(5)` does
II. Lead prefers to form tetravalent compound as compare to bivalent.
III. The three C-O bonds are not equal in the carbonate ion
IV. Both `O_(2)^(+)` and NO are paramagnetic

A

I,III and IV

B

I and IV

C

II and III

D

I and III

Text Solution

Verified by Experts

The correct Answer is:
C
Lead prefers to form divalent compounds because +2 oxidation state of Pb is most stable due to inert-pair effect. In carbonate ion, all the three C-O bonds are equal due to resonance.
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ERRORLESS -S AND P BLOCK ELEMENTS-Critical thinking (Objective Questions)
  1. Which of the following metal is not manufactured by electrolysis

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  2. Which one of the following is not used as a filler in loundary soap ?

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  3. In the incorrect statement/s among the following is/are I. NCl(5) do...

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  4. Be and Al exhibit diagonal relationship . Which of the following state...

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  5. The disease kala azar is cured by

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  6. Six volumes of oxygen, on complete ozonisation form volumes of ozone.

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  7. Carbon differs from other elements of the group. Which is the false st...

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  8. The atomic radill of alkali meals (M) lie in the order Li lt Na lt K l...

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  9. The compounds of alkaline earth metals have the following magnetic nat...

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  10. The stability of the following alkali metal chlorides follows the orde...

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  11. Which one of the following is the true covalent oxide of iodine?

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  12. Which of the following is the life saving mixture for an asthma patien...

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  13. Which of the following oxide is diagmagnetic

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  14. Which of the following statements is false for alkali metals ?

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  15. The number of electron and proton in the third alkaline earth metal io...

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  16. Which of the following salt is insoluble in water

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  17. Which of the following pairs has bleaching property

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  18. KO(2) is used in oxygen cylinders in space and submarines because it

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  19. Concentrated hydrochloric acid when kept in open air sometimes produce...

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  20. The substance not likely to contain CaCO(3) is:

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