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Which of the following elements can be i...

Which of the following elements can be involved in pn-dn bonding ?

A

Carbon

B

Nitrogen

C

Phosphorus

D

Boron

Text Solution

Verified by Experts

The correct Answer is:
C
Phosphorus has d-orbitals in valance shell.
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KUMAR PRAKASHAN-THE P-BLOCK ELEMENTS -SECTION -D (NCERT EXEMPLAR SOLUTION) (MULTIPLE CHOICE QUESTIONS (MCQS))
  1. In qualitative analysis when H2S is passed through an aqueous solution...

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  2. In a cyclotrimetaphosphoric acid molecule, how many single and double ...

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  3. Which of the following elements can be involved in pn-dn bonding ?

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  4. Which of the following pairs of ions are isoelectronic and isostructur...

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  5. Affinity for hydrogen decreases in the group from fluorine to iodine. ...

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  6. Bond dissociation enthalpy of E - H (E = element) bonds is given below...

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  7. On heating with concentrated NaOH solution in an inert atmosphere of C...

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  8. Which of the following acids forms three series of salts ?

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  9. Strong reducing behaviour of H3PO2 is due to ...............

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  10. On heating lead nitrate forms oxides of nitrogen and lead. The oxides ...

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  11. Which of the following elements does not show allotropy ?

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  12. Maximum covalency of nitrogen is.............

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  13. Which of the following statements is wrong ?

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  14. A brown ring is formed in the ring test for NOg ion. It is due to the ...

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  15. Elements of group-15 form compounds in (+5) oxidation state. However, ...

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  16. On heating ammonium dichromate and barium azide separately we get

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  17. In the preparation of HNO3, we get NO gas by catalytic oxidation of am...

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  18. The oxidation state of central atom in the anion of compound NaH2PO2 w...

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  19. Which of the following is not tetrahedral in shape ?

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  20. Which of the following are peroxoacids of sulphur ?

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