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(A): Dinitrogen is chemically unreactive...

(A): Dinitrogen is chemically unreactive at ordinary temperature and is very stable (B): The bond dissociation energy is more in `N_2` molecule

A

Both (A) and (R) are true and (R) is the correct explanation of (A)

B

Both (A) and (R) are true and (R) is not the correct explanation of (A)

C

(A) is true but (R) is false

D

(A) is false but (R) is true

Text Solution

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The correct Answer is:
A
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AAKASH SERIES-CHEMICAL BONDING-OBJECTIVE EXERCISE-2B
  1. The correct order of decreasing polarity is

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  2. Number of sigma and pi bonds present in tetracyanoethylene are

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  3. (A): Dinitrogen is chemically unreactive at ordinary temperature and i...

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  4. Given electronic configurations of four elements E1, E2, E3 and E4 ar...

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  5. Which of the following has both polar and non-polar covalent bonds ?

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  6. Carbondioxide is isostructural with

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  7. The number of o bonds formed between two carbon atoms in C2 H6 C2 H4 ...

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  8. The bonds present in K4 [Fe(CN)6 ]are

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  9. Which of the following combination is best explained by the coordinate...

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  10. The correct decreasing order of polarisability of halide ions is

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  11. The bonds present in carbonmonoxide are

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  12. In which of the following types of geometry, all the bond angles are n...

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  13. The type of hybrid orbitals used by chlorine atom in ClO(2)^(-) is,

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  14. The shape of tri-iodide ion is

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  15. The hybrid orbitals have a bond angle of 120^@. The perecentage of s-c...

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  16. In which of the following, carbon uses sp^3 hybrid orbitals only for b...

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  17. dsp^2 hybridisation is present in

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  18. The hybridisation of oxygen in OF2 molecule is

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  19. The shape of PO(4)^(3-) ion is

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  20. Which of the following structure is most expected for the molecule 'Xe...

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