Methylene blue,from its aqueous solution,is adsorbed on activated charcoal at $25 \ ^{\circ}C$. For this process,the correct statement is

  • A
    The adsorption requires activation at $25 \ ^{\circ}C$.
  • B
    The adsorption is accompanied by a decrease in enthalpy.
  • C
    The adsorption increases with increase of temperature.
  • D
    The adsorption is irreversible.

Explore More

Similar Questions

Identify the incorrect statement.

Which substance is used as an adsorbent in chromatography?

Assertion $(A)$: Adsorption is an exothermic process.
Reason $(R)$: Physisorption of a gas on a solid surface is normally reversible.

Which of the following is used for the adsorption of moisture?

Which of the following is $NOT$ a characteristic of chemisorption?

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial
For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

Try Free
For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.

See Demo