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Choose the elements which from monovalen...

Choose the elements which from monovalent ions :
(i) Li (ii) Ca (iii) F (iv) Al (v) P (vi) K

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The correct Answer is:
(i) Li (iii) F (vi) K
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DINESH PUBLICATION-CHEMICAL BONDING AND MOLECULAR STRUCTURE -PROMBEMS FOR PRACTICE
  1. Write the Lewis symbols of (i) C (ii) Cl (iii) O^(2-) (iv) N^(3-)

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  2. Give two cations and two anions which have the electronic structure of...

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  3. Choose the elements which from monovalent ions : (i) Li (ii) Ca (iii...

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  4. Can sodium chloride conduct eletricity in the solid state ?

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  5. An element A has the configuration 1s^(2)2s^(2)//2p^(6)3s^(1)and the e...

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  6. Out of NaCl and MgO which has higher lattice energy ?

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  7. Which will from more stable ionic bond (i) Na and (ii) Ca and Cl ?

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  8. Predict the shapes of the followihng molecules using VSEPR theory (i...

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  9. Arrenge NH(3), H(2)O and CH(4) in increasing bond angles.

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  10. Assign the correct bond angles to each of the following molecules. M...

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  11. Do NH(3) and BF(3) have same shape ?

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  12. What is the expected geometry of AF(5) molecule ?

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  13. The molecule of SO(2) has dipole moment. Is the molecule linear or ben...

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  14. Predict the dipole moment of : (i) a molecule of the type AX(4) havi...

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  15. Which uot of the following pairs has dipole moment ? (i) BF(3) and N...

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  16. Can a non-polar molecule have polar covalent bonds?

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  17. Which of the following molecules behave as electrical dipoles ? (i) ...

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  18. Out of and pi bonds, which is strong ?

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  19. Can a sigma bond be formed in the absence of pi bond ?

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  20. Can orbitals present in the 2p sub-sheel hybridise alone ?

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