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Bond energies can be obtained by using t...

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?

A

1,2,3,4

B

2,3

C

1,4

D

1,2,3

Text Solution

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The correct Answer is:
B
2,3
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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?

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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. 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. The heat of formation of NO from its elements is +90 kJ mol^(-1) , What is the approximate bond dissociation enegry of the bond in NO ? BE_(N=N) = 941 kJ mol^(-1) BE_(O=O) = 499 kJ mol^(-1)

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. Use the bond enegries to estimate DeltaH for this reaction: H_(2)(g) +O_(2)(g) rarr H_(2)O_(2)(g) {:("Bond","Bond energy"),(H-H,436 kJ mol^(-1)),(O-O,142 kJ mol^(-1)),(O=O, 499kJ mol^(-1)),(H-O,460kJ mol^(-1)):}

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The bond having the highest bond energy is :

The bond having the highest bond energy is :

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ICSE-HALOALKANES AND HALOARENES -EXERCISE (PART - I OBJECTIVE QUESTIONS) (MULTIPLE CHOICE QUESTIONS)
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