Question
Write note on enthalpy of atomization of trasition metals.
✓
Answer
→ The transition elements have high enthalpy of atomization because of presence of strong bonds between the atoms.
→ The enthalpy of atomisation increases with the increase in number of unpaired electrons which results in formation of strong bonds due to strong interatomic interactions.
→ The metals of the second and third series have greater enthalpies of atomisation than the corresponding elements of the first series; this is an important factor in accounting for the occurrence of much more frequent metal - metal bonding in compounds of the heavy transition metals.
→ The enthalpy of atomisation increases with the increase in number of unpaired electrons which results in formation of strong bonds due to strong interatomic interactions.
→ The metals of the second and third series have greater enthalpies of atomisation than the corresponding elements of the first series; this is an important factor in accounting for the occurrence of much more frequent metal - metal bonding in compounds of the heavy transition metals.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Explain density of Haloalkane Compound.
Answer the following:
$(a)$ Give two examples of non-chemical process which obeys the first order kinetics.
$(b)$ The following results have been obtained during the kinetic studies for the reaction:
$P+2Q \rightarrow R + 2S$
Determine the rate law expression for the reaction.
→$(a)$ Give two examples of non-chemical process which obeys the first order kinetics.
$(b)$ The following results have been obtained during the kinetic studies for the reaction:
$P+2Q \rightarrow R + 2S$
| Exp. | Initial P(mol/L) | Initial Q (mol/L) | Init. Rate of Formation of R(M min-1) |
| $1$ | $0.10$ | $0.10$ | $3.0 \times 10^{-4}$ |
| $2$ | $0.30$ | $0.30$ | $9.0 \times 10^{-4}$ |
| $3$ | $0.10$ | $0.30$ | $3.0 \times 10^{-4}$ |
| $4$ | $0.10$ | $0.40$ | $6.0 \times 10^{-4}$ |
Write the chemistry of recharging the lead storage battery, highlighting all the materials that are involved during recharging.
State Raoult’s law for a solution containing volatile components. Write two characteristics of the solution which obeys Raoult’s law at all concentrations.
A solution is prepared by dissolving $11 g$ glucose in $200 cm^3$ water at $30^{\circ} C$. What is the mass Percentage of glucose in solution? The density of water $30^{\circ} C$ is $0.996 g / cm ^3$
→Discuss the classification of monohydric alcohols containing $C_{sp}^2-OH$ bond.
→Accomplish the following conversion:
Nitrobenzene to benzoic acid.
Nitrobenzene to benzoic acid.
For any solvent, the molal gradient constants value is certain. Why?
Give the structures of A, B and C in the following reaction:
$\text{C}_6\text{H}_5\text{NO}_2\xrightarrow[]{\text{Fe}/\text{HCl}}\text{A}\xrightarrow[273\text{K}]{\text{NaNO}_2+\text{HCl}}\text{B}\xrightarrow[\Delta]{\text{H}_2\text{O}/\text{H}^+}\text{C}$
→$\text{C}_6\text{H}_5\text{NO}_2\xrightarrow[]{\text{Fe}/\text{HCl}}\text{A}\xrightarrow[273\text{K}]{\text{NaNO}_2+\text{HCl}}\text{B}\xrightarrow[\Delta]{\text{H}_2\text{O}/\text{H}^+}\text{C}$
Discuss the physical properties of carboxylic acids in terms of their physical state and boiling point.