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Hydrogen bond energy is around ............

Hydrogen bond energy is around ............ kJ `mol^(-1)`

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Hydrogen bond energy is equal to

What would be the bond formation energy of C-H bond if its bond energy is + 416.18 kJ mol^(-1) ?

Calculate the enthalpy of formation of ammonia from the following bond energy data: (N-H) bond = 389 kJ mol^(-1), (H-H) bond = 435 kJ mol^(-1) , and (N-=N)bond = 945.36kJ mol^(-1) .

The enthalpy change (DeltaH) for the process, N_(2)H_(4)(g)to 2N(g)+4H(g) is is 1724 kJ mol^(-1) . If the bond energy of N-H bond in ammonia is 391 kJ mol^(-1) , what is the bond energy for N-N bond in N_(2)H_(4) ?

Using the data provided, calculate the multiple bond energy (kJ mol^(-1)) of a C-=C bond in C_(2)H_(2) . That energy is ( take the bond energy of a C-H bond as 350kJ mol^(-1)) . 2C_((s))+H_(2(g))rarr C_(2)H_(2(g)), Delta=225kJ mol^(-1) 2C_((s))rarr 2C_(g)), DeltaH=1410kJ mol^(-1) H_(2(g)) rarr 2H_((g)),DeltaH=330kJ mol^(-1)

At standard conditions, if the change in the enthalpy for the following reaction is -109KJ mol^(-1) H_2(g) + Br_2(g) rarr 2HBr(g) Given that bond energy of H_2 and Br_2 is 435kj mol^(-1) and 192kj mol^(-1) , respectively. What is the bond energy of HBr ?

Average C – H bond energy is 416 kJ mol^(-1) . Which of the following is correct?

The intermediate carbocation formed in the reactions of HI,HBr, and HCl with propene is the same and the bond energy of HCl, HBr, and HI is 430.5 KJ mol^(-1), 363.7 KJ mol^(-1) and 296.8 KJ mol^(-1) respectively. What will be the order of reactivity of these halogen acids?

Activation energy for the acid catalysed hydrolysis of sucrose is 6.22 kJ mol^(-1) , while the activation energy is only 2.15 kJ mol^(-1) when hydrolysis is catalysed by the enzyme sucrase. Explain.

Delta_(f)H^(Theta) of Cyclohexene (l) and benzene at 25^(@)C is -156 and +46 kJmol^(-1) , respectively. Delta_("hydrogenation")H^(Theta) of cyclohexene (l) at 25^(@)C is -119 kJ mol^(-1) . Reasonance energy of benzene is found to be -38x kJ mol^(-1) . Find the value of x .

ICSE-CHEMICAL BONDING AND MOLECULAR STRUCTURE-FILL IN THE BLANKS TYPE QUESTIONS
  1. Why ionic bond is considered as an extreme case of polar covalent bond...

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  2. Polarisation is favoured when cation is ............ and anion is

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  3. Hydrogen bond energy is around ............ kJ mol^(-1)

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  4. Paramagnetism is shown by the molecules which have

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  5. Fill in the blanks by chossing the appropriate word/words from those g...

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  6. Molecular orbitals can best be approximated by the .....combination of...

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  7. According to Bohr's theory, the angular momentum of an electron in 5^(...

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  8. The bond multiplicity leads to ............ in bond distance.

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  9. A pi-molecular orbital is formed by the ............ overlapping of at...

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  10. A molecule is unstable when the bond order is .. ..........or ...........

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  11. Among N(2)^(+), N(2)^(-) and N(2)^(2-) the least stable ion is .........

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  12. The bond order of O(2)^(2-) ion is ............ and the ion is ..........

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  13. Assertion :-The formation of a chemical bond involves a decrease in th...

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  14. Assertion :- A low value of ionisation energy of the electropositive ...

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  15. Assertion :- CH4 obeys the octet rule. Reason :- During the formati...

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  16. Assertion :- The observed bond angle in NH3 molecule is less than 109^...

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  17. Assertion :-The o-bond is stronger as compared to a pi-bond. Reason ...

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  18. Assertion :-The acetylene molecule is linear in shape. Reason :- Th...

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  19. Assertion :- The net dipole moment of BF3 is zero. Reason :- The ne...

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  20. Assertion :-Structures : overset(* * )(N^(-)) = overset(+ )N = overset...

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