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CaO and NaCI have the same crystal struc...

CaO and NaCI have the same crystal structure and approximately the same ionic radii. If U is the lattice energy of NaCl, the approximate lattice energy of CaO is

A

U/2

B

U

C

2U

D

4U

Text Solution

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The correct Answer is:
D
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VMC MODULES ENGLISH-CHEMICAL BONDING & CHEMICAL STRUCTURE -IMPECCABLE
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  2. Which of the following compound has least dipole moment ?

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  3. Which of the following statements is not true for covalent compounds ?

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  4. Which of the following is a lewis acid ?

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  5. Water has high boiling point because

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  6. H2S is more acidic than H2O. The reason is

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  7. Isoelectronic species are

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  9. Carbons in diamond exist in

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  10. CO is isoelectronic with

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  11. The structure of H2O2 is

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  12. Which of the following is the correct order of bond angle in H2S, NH3,...

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  13. Which is not a pyramidal molecule ?

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  14. Which one of the following has the regular tetrahedral structure? (A...

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  16. The electronegaivity difference between N and F is greater than that b...

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  17. In which of the following pairs, the two species are iso-structural ?

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  18. The corrrect order of C-O bond length among CO, CO3^(2-), CO2 is

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  19. What is the dominant intermolecular force or bond that must be overco...

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  21. Which of the following has the minimum bond length ?

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