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The species which do not support octet ...

The species which do not support octet rule are (a) `H_2O` (b) `Cl_2O` (c) NO (d) `SF_5` The correct answer is

A

(a), (b) & (c)

B

(c) & (d)

C

(b), (c) &(d)

D

(b), (d) &(a)

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The correct Answer is:
B
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AAKASH INSTITUTE ENGLISH-MOCK TEST 6-Example
  1. Octet rule is not satisfied for which of the following molecules?

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  2. The ion that is isoelectronic with CO is

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  3. The formal charge on S atom in the following structure is

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  4. Elements of which of the following sets has the strongest tendency to ...

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  5. Which of the following sequence correctly represents the decreasing ac...

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  6. Element A has 3 electron in the outermost orbit and element B has 7 e...

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  7. Compound of a metal A is M2O3 , the formula of its halide is

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  8. As compared to covalent compounds, electrovalent compounds generally p...

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  9. The magnitude of lattice energy of a solid increases if

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  10. Which of the following is a hypervalent compound?

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  11. Which of the following is a hypovalent compound?

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  12. Which of the following is an odd electron molecule?

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  13. The lattice energies of the oxides of Mg, Ca, Sr and Ba follow the ord...

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

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  15. Give the correct order of bond lengths x, y and z in

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  16. Which of the following statements is/ are correct about lattice enthal...

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  17. Find out the incorrect order of bond angles

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  18. Anhydrous AlCl3 is covalent compound. Select the correct statement reg...

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  19. The lattice enthalpy of KI will be, if the enthalpy of (I) Deltaf H^-...

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  20. The species which do not support octet rule are (a) H2O (b) Cl2O (c)...

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