JEE Main 2020 (Online) 2nd September Morning Slot | Surface Chemistry Question 75 | Chemistry

A mixture of gases O₂, H₂ and CO are taken in a closed vessel containing charcoal. The graph that represents the correct behaviour of pressure with time is :

JEE Main 2020 (Online) 9th January Evening Slot Chemistry - Surface Chemistry Question 77 English Option 1

JEE Main 2020 (Online) 9th January Evening Slot Chemistry - Surface Chemistry Question 77 English Option 2

JEE Main 2020 (Online) 9th January Evening Slot Chemistry - Surface Chemistry Question 77 English Option 3

JEE Main 2020 (Online) 9th January Evening Slot Chemistry - Surface Chemistry Question 77 English Option 4

JEE Main 2020 (Online) 8th January Evening Slot

MCQ (Single Correct Answer)

-1

Out of Syllabus

For the following Assertion and Reason, the correct option is
Assertion : For hydrogenation reactions, the catalytic activity increases from Group 5 to Group 11 metals with maximum activity shown by Group 7-9 elements.
Reason : The reactants are most strongly adsorbed on group 7-9 elements.

Both assertion and reason are true and the reason is the correct explanation for the assertion.

The assertion is true, but the reason is false.

Both assertion and reason are true but the reason is not the correct explanation for the assertion.

Both assertion and reason are false.

JEE Main 2020 (Online) 8th January Morning Slot

MCQ (Single Correct Answer)

-1

Out of Syllabus

As per Hardy-Schulze formulation, the flocculation values of the following for ferric hydroxide sol are in the order :

AICl₃ > K₃[Fe(CN)₆] > K₂CrO₄ > KBr = KNO₃

K₃[Fe(CN)₆] < K₂CrO₄ < KBr = KNO₃ = AlCl₃

K₃[Fe(CN)₆] < K₂CrO₄ < AlCl₃ < KBr < KNO₃