Advertisements
Advertisements
प्रश्न
Write the formula to calculate the bond order of molecule.
Advertisements
उत्तर
Bond order of a molecule = `("N"_"b"-"N"_"a")/2`
where Nb is the number of electrons present in bonding MOs and Na is the number of electrons present in antibonding MOs.
APPEARS IN
संबंधित प्रश्न
In Ammonia molecule the bond angle is 107° and in water molecule it is 104°35', although in both the central atoms are sp3 hybridized Explain.
Which type of hybridization is present in the ammonia molecule?
F-Be-F is a liner molecule but H-O-H is angular. Explain.
In the case of bond formation in Acetylene molecule: How many covalent bonds are formed?
In the case of bond formation in Acetylene molecule: Name the type of Hybridization.
Define Bond Enthalpy
Define Bond Length
Predict the shape and bond angles in the following molecule:
NF3
Predict the shape and bond angles in the following molecule:
HCN
Using data from the Table, answer the following:
| Examples | C2H6 Ethane | C2H4 Ethene | C2H2 Ethyne |
| Structure |
\[\begin{array}{cc} \backslash \phantom{......}/\phantom{.}\\ \ce{—C – C —}\\ /\phantom{......}\backslash\phantom{.}\end{array}\] |
\[\begin{array}{cc} \backslash \phantom{......}/\\ \ce{C \text{=} C}\\ /\phantom{......}\backslash\end{array}\] |
\[\ce{- C ≡ C -}\] |
| Type of bond between carbons | single | double | triple |
| Bond length (nm) | 0.154 | 0.134 | 0.120 |
| Bond Enthalpy kJ mol-1 | 348 | 612 | 837 |
- What happens to the bond length when unsaturation increases?
- Which is the most stable compound?
- Indicate the relationship between bond strength and Bond enthalpy.
- Comment on the overall relation between Bond length, Bond Enthalpy, and Bond strength and stability.
The CORRECT order of C-X bond polarity is ____________.
In gas phase H-O-O-H bond angle in H2O2 is ______.
What is the value of C-O-H bond angle in CH3_OH?
Which of following bonds has maximum bond length?
What is the H-S-H bond angle in H2S?
The hybridization and bond angle in BeCl2 molecule are ____________ respectively.
Consider the reactions.
\[\ce{C_{(s)} + 2H2_{(g)} -> CH4_{(g)}}\], ΔH = −x kcal
\[\ce{C_{(g)} + 4H_{(g)} -> CH4_{(g)}}\], ΔH = −x1 kcal
\[\ce{CH4_{(g)} -> CH3_{(g)} + H_{(g)}}\], ΔH = +y kcal
The average C-H bond enthalpy is:
Which of the following pairs have identical bond order?
The bond angle is minimum in ____________.
Identify the CORRECT option.
Why is bond order of Be2 molecule zero?
(Nb = bonding electrons, Na = antibonding electrons)
What is the bond order of Be2 molecule?
What is the bona order of O2 molecules?
