Which relation is correct for isometric process

Isochoric Or Isometric Process

Which relation is not correct of the following ?

Which of the following relation is correct for the calculation of workdone in expansion of an ideal gas by a reversible and adiabatic process.

Which of the following relation is correct for the calculation of workdone in expansion of an ideal gas by a reversible and adiabatic process.

Which is correct relation?

Which is correct relation

Which of the following relation is correct for k_(f) and k_(b) in an equibilirium process that contains equal moles of rectants and products.

Which of the following relation is correct for k_(f) and k_(b) in an equibilirium process that contains equal moles of rectants and products.

Which of the following relation is correct for k_(f) and k_(b) in an equibilirium process that contains equal moles of rectants and products.