Advertisements
Advertisements
प्रश्न
Define Bond Enthalpy
उत्तर
Bond enthalpy is defined as the amount of energy required to break one mole of a bond of one type, present between two atoms in a gaseous state.
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:
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.
Give a reason for HF is a polar molecule
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: State number of sigma and pi bonds formed.
In the case of bond formation in Acetylene molecule: Name the type of Hybridization.
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:
H2S
Complete the flow chart.
| Molecular Formula | Structural Formula | Shape/ Geometry | Bond angle |
| BeCl2 | 180° | ||
| O=C=O | Linear | ||
| C2H2 |
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 ____________.
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?
Which of the following pairs have identical bond order?
The bond angle is minimum in ____________.
Why is bond order of Be2 molecule zero?
(Nb = bonding electrons, Na = antibonding electrons)
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?
