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Out of σ and π-bonds, which bond is stro...

Out of σ and π-bonds, which bond is stronger and why?

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### Step-by-Step Solution: 1. **Understanding Bond Types**: - There are two main types of covalent bonds: Sigma (σ) bonds and Pi (π) bonds. 2. **Formation of Sigma Bonds**: - Sigma bonds are formed through **axial (head-to-head)** overlapping of atomic orbitals. This type of overlap occurs when two atomic orbitals align along the axis connecting the two bonding nuclei. ...
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Which one is covalent bond ?

Which of the following statements are correct? 1. A sigma bond is stronger than a pi bond 2. A covalent bond is stronger than a hydrrogen bond 3. HF is more polar than HCl 4. There is one electrovalent bond and three covalent bonds in methylene chloride Select the correct answer using the codes given below

A covalent bond will be formed by the overlapping of atomic orbitals having single electron of opposite spin, according to the overlapping of atomic orbitals the covalent bond may be of two types : (i) Sigma bond (sigma) " " (ii) Pi bond (pi) Sigma bond is stronger bond than the Pi-bond. If atomic orbitals overlap about the nuclear axis then sigma bond is formed but when atomic orbitals overlap sideway then Pi-bond is formed. Compound having maximum bond angle is :

A covalent bond will be formed by the overlapping of atomic orbitals having single electron of opposite spin, according to the overlapping of atomic orbitals the covalent bond may be of two types : (i) Sigma bond (sigma) " " (ii) Pi bond (pi) Sigma bond is stronger bond than the Pi-bond. If atomic orbitals overlap about the nuclear axis then sigma bond is formed but when atomic orbitals overlap sideway then Pi-bond is formed. Compound having maximum bond angle is :

Among covalent bond and hydrogen bond, which bond has a higher bond length?

A covalent bond will be formed by the overlapping of atomic orbitals having single electron of opposite spin, according to the overlapping of atomic orbitals the covalent bond may be of two types : (i) Sigma bond (sigma) " " (ii) Pi bond (pi) Sigma bond is stronger bond than the Pi-bond. If atomic orbitals overlap about the nuclear axis then sigma bond is formed but when atomic orbitals overlap sideway then Pi-bond is formed. The correct order of increasing C-O bond length of CO,CO_(3)^(2-),CO_(2) is :

ICSE-CHEMICAL BONDING AND MOLECULAR STRUCTURE-SHORT ANSWER TYPE QUESTIONS
  1. Give two differences between a sigma bond and a pi bond.""^(**"**)

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  2. Draw the shapes of sp^3 , sp^2 and sp hybrid orbitals.

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  3. Out of σ and π-bonds, which bond is stronger and why?

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  4. Why are the molecules like He2 , H3 and H4 not formed?

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  5. What do you understand by bond length? On what factors does it depend?

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  6. Carbon possesses only two unpaired electrons in its valence shell. How...

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  7. What are the conditions necessary for the formation of covalent molec...

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  8. Why is a molecule involving sp^2 hybridisation trigonal and planar?

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  9. Explain how the valence bond theory accounts for a carbon carbon doubl...

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  10. Explain the formation of C2 H2 molecule.

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  11. Explain why the compounds of the type C2 H2 X2 exhibit cis-trans isome...

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  12. Why does a covalent bond develop a partial ionic character when the el...

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  13. How do the metals conduct heat and electricity?

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  14. Explain why : metals are malleable and ductile,

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  15. Explain why : sodium can be cut with a knife,

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  16. Why is H(2)O a liquid and H(2)S a gas ?

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  17. Explain why : o-nitrophenol possesses low boiling point in spite of...

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  18. What do you understand by overlap integral and what does it signify?

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  19. State the salient features of molecular orbital theory.

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  20. What are the main points of difference between inductive and electrome...

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