OC_Lec 03.3_A

Which among these are true?

• Bond formation leads to energy release
• Bond breaking leads to energy usage
• Bond formation leads to energy usage
• Bond breaking leads to energy release

Which is true about bond breaking/formation

• Equal energy is used in both formation and breaking
• More energy is used when breaking bonds
• More energy is released when breaking bonds
• None of these

Amount of energy consumed or liberated during bond formation or breaking

• Dissociation energy
• Energy Overlap
• Energy Consumption
• Delta Energy

True about reaction energy diagrams

• energy changes during reactions
• y-axis shows potential energy
• x-axis show reaction coordinate or reaction progress
• energy fluctuations during heat exposure
• x-axis shows diffusion of energy across gradient

True about exergonic reactions

• negative energy change
• release of energy
• downhill reaction direction (reactant to product)
• positive energy change
• absorption of energy

True about exergonic reactions

• Energy of reactants are higher than products
• Energy of products are higher than reactants
• Energy of both reactants and products are equal
• Energy of both products and reactants are zero

Top of the energy curve

• Transition state
• Activation Energy (Ea)
• Enthalpy change (delta H)
• None of these

Shows where bond is partially broken and partially formed

• Transition state
• Activation Energy (Ea)
• Enthalpy change (delta H)
• None of these

is the difference in energy between the reactants and the transition state

• Transition state
• Activation Energy (Ea)
• Enthalpy change (delta H)
• None of these

the difference in energy between the reactants and the products

• Transition state
• Activation Energy (Ea)
• Enthalpy change (delta H)
• None of these