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If the electronegativity difference betw...

If the electronegativity difference between bonding atoms is 1.7 then the chemical bond is nearly

A

50% ionic

B

100% ionic

C

100% covalent

D

Predominantly ionic

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The correct Answer is:
A
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Define the Chemical bond

Chemical Bonding

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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. 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. 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. 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?

An ionic bond is formed when the electronegativity difference in the combining atoms is more than 2.

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.

Drago suggested an emprical rule which is compatible with the energetics of hybridization. It will occupy a stereochemically inactive s-orbital, and the bonding will be through p-orbitals and bond angles will be nearly 90^(@) if the electronegativity of the surrounding atoms is le2.5 . Q. Correct order of bond angle is :

VMC MODULES ENGLISH-PERIODIC PROPERTIES OF ELEMENTS-IMPECCABLE
  1. If the electronegativity difference between bonding atoms is 1.7 then ...

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  2. The first ionisation potential (in eV ) of Be and B, respactively are

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  3. In the following, the element with the highest electropositivity is

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  4. Elements with outer electron configuration ns2 np6 are:

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  5. In the periodic table, the element with atomic number 16 will be place...

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  6. On going from right to left in a period in the periodic table the elec...

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  7. A sudden large jump between the value of second and third ionization e...

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  8. Which of the following statement is true about the elements of IA and ...

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  9. Which pair show less similarity in their properties than the other thr...

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  10. Number of s-block elements are:

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  11. Which of the following is most electronegative ?

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  12. Ionic radii of

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  13. In the modern periodic table, the place of the element with atomic num...

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  14. Which one of the following is an s-block element?

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  15. Which of the following metals exhibits more than one oxidation state ?

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  16. Which of the following ions has the smallest size?

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  17. The word alkali is used for alkali metals indicates:

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  18. Among LiCl, RbCl, BeCl2, MgCl2, the compounds with greatest and least ...

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  19. Maximum covalent character is associated with the compound:

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  20. Arrange F,Cl,O,N in the decreasing order of electronegativy

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  21. Which one of the following does not exhibit variable oxidation states?

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