Advertisements
Advertisements
प्रश्न
In the case of bond formation in Acetylene molecule: How many covalent bonds are formed?
उत्तर
In the acetylene molecule, there are five covalent bonds.
APPEARS IN
संबंधित प्रश्न
Select and write the most appropriate alternatives from the given choices.
The angle between the two covalent bonds is minimum in:
Give a reason for HF is a polar molecule
Write the geometry and bond angle present in ammonia.
F-Be-F is a liner molecule but H-O-H is angular. Explain.
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:
CF4
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.
Energy required to dissociate 6 g of gaseous hydrogen into free gaseous atoms is 208 kcal at 25°C. Bond energy of H-H bond will be ____________.
The CORRECT order of C-X bond polarity 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?
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 ____________.
What is the bond order of B2 molecule?
Why is bond order of Be2 molecule zero?
(Nb = bonding electrons, Na = antibonding electrons)
What is the bond order of Be2 molecule?
Consider the ions/molecule:
\[\ce{O^+_2, O_2, O^-_2, O^{2-}_2}\]
For increasing bond order the correct option is:
What is the bona order of O2 molecules?