1. Tardigrade
  2. Question
  3. Chemistry
  4. For a gas phase reaction: A(.g.)+2B(.g.)leftharpoonsC(.g.)+D(.g.) The backward reaction is favoured (.i.) By introducing inert gas at constant volume (.ii.) By introducing inert gas at constant pressure (.iii.) By adding 'A(.g.)' at constant volume (.iv.) By adding 'D(.g.)' at constant volume The correct statements is/are

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Q. For a gas phase reaction:
$A\left(\right.g\left.\right)+2B\left(\right.g\left.\right)\rightleftharpoonsC\left(\right.g\left.\right)+D\left(\right.g\left.\right)$
The backward reaction is favoured
$\left(\right.i\left.\right)$ By introducing inert gas at constant volume
$\left(\right.ii\left.\right)$ By introducing inert gas at constant pressure
$\left(\right.iii\left.\right)$ By adding $'A\left(\right.g\left.\right)'$ at constant volume
$\left(\right.iv\left.\right)$ By adding $'D\left(\right.g\left.\right)'$ at constant volume
The correct statements is/are

NTA AbhyasNTA Abhyas 2020

Solution:

Here $\Delta n=-ve$
$\therefore $ By adding inert gas backward reaction favoured
$\Rightarrow $ By adding $D\left(\right.g\left.\right)$ backward reaction takes place.