For an adsorption of \[{{H}_{2}}\] on Ni surface \[Ni\left( s \right)+{{H}_{2}}\left( s \right)\to \] adsorbed \[{{H}_{2}}\] on Ni surface Variation of adsorption with temperature is shown in figure. This indicates that

For an adsorption of \[{{H}_{2}}\] on Ni surface \[Ni\left( s \right)+

1.	For an adsorption of \[{{H}_{2}}\] on Ni surface \[Ni\left( s \right)+{{H}_{2}}\left( s \right)\to \] adsorbed \[{{H}_{2}}\] on Ni surface Variation of adsorption with temperature is shown in figure. This indicates that
A.	it is an exothermic change
B.	it is physical adsorption
C.	Both [a] and [b]
D.	None of the. Above
Answer» D. None of the. Above

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For an adsorption of \[{{H}_{2}}\] on Ni surface \[Ni\left( s \right)+{{H}_{2}}\left( s \right)\to \] adsorbed \[{{H}_{2}}\] on Ni surface Variation of adsorption with temperature is shown in figure. This indicates that

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