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Bond energy is defined as ....

Bond energy is defined as _________.

A

amount of energy required to break one mole of bonds between two atoms in a gaseous state

B

average of the bond energies of the constituent molecules

C

energy required for an electron jump from lower to higher orbital

D

energy released during electron jump from higher to lower orbitals

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The correct Answer is:
A
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Bond energies can be obtained by using the following relation: DeltaH (reaction) = sum Bond energy of bonds, broken in the reactants -sum Bond energy fo bonds, formed in the products Bond enegry depends on three factors: a. Greater is the bond length, lesser is the bond enegry. b. Bond energy increases with the bond multiplicity. c. Bond enegry increases with electronegativity difference between the bonding atoms. Which among the following sequences is correct about the bond enegry of C -C, C=C and C -= C bonds?

Bond energies can be obtained by using the following relation: DeltaH (reaction) = sum Bond energy of bonds, broken in the reactants -sum Bond energy fo bonds, formed in the products Bond enegry depends on three factors: a. Greater is the bond length, lesser is the bond enegry. b. Bond energy increases with the bond multiplicity. c. Bond enegry increases with electronegativity difference between the bonding atoms. Arrange N -H, O - H , and F -H bonds in teh decreasing order of bond enegry.

Bond energies can be obtained by using the following relation: DeltaH (reaction) = sum Bond energy of bonds, broken in the reactants -sum Bond energy fo bonds, formed in the products Bond enegry depends on three factors: a. Greater is the bond length, lesser is the bond enegry. b. Bond energy increases with the bond multiplicity. c. Bond enegry increases with electronegativity difference between the bonding atoms. Bond enegry of differene halogen molecules will lie in the sequences

Bond energies can be obtained by using the following relation: DeltaH (reaction) = sum Bond energy of bonds, broken in the reactants -sum Bond energy fo bonds, formed in the products Bond enegry depends on three factors: a. Greater is the bond length, lesser is the bond enegry. b. Bond energy increases with the bond multiplicity. c. Bond enegry increases with electronegativity difference between the bonding atoms. In CH_(4) molecule, which of the following statement is correct about the C -H bond enegry?

TARGET PUBLICATION-NATURE OF CHEMICAL BOND-Evaluation test
  1. Bond energy is defined as .

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  2. In a homologous series, the percentage of 's' character .

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  3. Which of the following molecule has two p-orbitals unused?

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  4. Energy required to dissociate 4g of gaseous hydrogen into free gaseous...

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  5. What happens when aluminium reacts with NaOH in presence of water mole...

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  6. What is the geometrical shape of [Pt(Cl)(4)]^(2-)?

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  7. Stability of the species Li(2), Li(2)^(-) and Li(2)^(+) increases in t...

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  8. Which of the following is NOT used to represent bond angles ?

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  9. The number of sigma bonds in CH(2)=CH - CH = CH - C -= CH is .

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  10. The stability of ionic crystal depends principally on

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  11. An example for an electron deficient molecule is .

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  12. Octahedral molecular shape exists in hybridisation.

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  13. The species having bond angles of 109^(@)28 is .

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  14. The bond angle in ammonia is 107^(@)18 due to .

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  15. A molecule is stable when the number of bonding orbitals is .

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  16. Which of the following molecules CANNOT exist under normal conditions?

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  17. The electronegativity values of C,H,O,N and S are 2.5, 2.1, 3.5, 3.0 a...

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  18. Find the CORRECT set with respect to molecule, hybridisation and shape...

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  19. If in a polar molecule, the ionic charge is 2.6 xx 10^(-10) e.s.u. and...

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  20. Which of the following does NOT show hydrogen bonding?

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  21. Which of the following theory provides good explanation about the para...

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