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When two atoms combine to form a molecul...

When two atoms combine to form a molecule .

A

Energy is released

B

Energy is absorbed

C

Energy is neither released nor absorbed

D

Energy may either be absorbed or relesed

Text Solution

Verified by Experts

The correct Answer is:
A

Due to force of attraction energy is released is released to acquire stability .
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CENGAGE CHEMISTRY-CHEMICAL BONDING AND MOLECULAR STRUCTURE-Exercises Single Correct (Chemical Bonding)
  1. Which species has the maximum number of lone pair of electrons on the ...

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  2. Among the following electrons-deficient compound is .

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  3. Which of the following does not follow the octet rule ? .

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  4. Which of the following does not have coordinate bonds ? .

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  5. Which of the following bonds is the strongest ? .

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  6. When two atoms combine to form a molecule .

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  7. Most favourable conditions for inoic bonding are .

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  8. Which of the following is not a correct statement ? .

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  9. Element A has three electrons in the outermost orbit and B has six ele...

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  10. The pair of elements which form ionic bond is .

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  11. Lattice energy of an ionic compound depedns upon :

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  12. The bonds present in N(2)O(5) are .

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  13. Which of the following statement is correct for CO ?

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  14. Which of the following statemwnt regarding valence bond theory (VBT) i...

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  15. Correct statement about VBT is .

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  16. The strength of bonds formed by overlapping of atomic orbitals is in t...

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  17. The nodal plane in the pi-bond of ethene is located in:

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  18. Which of the following statement is wrong ? .

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  19. Which of the following is a positive overlap which leads to bonding ? ...

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  20. Which of the following is a zero overlap which leads to non-bonding?

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