Questions
Statement I: Hydrogen reacts faster with halogens than deuterium.
Statement II : The activation energy of hydrogen is less than that of deuterium.
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a
Statement I and Statement II are true.
b
Statement I is true and statement II is false.
c
Statement I is false and Statement II is true.
d
Statement I and Statement II are false.
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Correct option is A
Reactivity of X2 with H2& D2H2+X2→2HX ;r1 D2+X2→2DX;r2rate : r1>r2 Ea:(Ea)1 < (Ea)2 Ea: The minimum energy suplied to the reactants inorder to form the activated complex is called "Ea"In case of D2 reaction the D-D bond energy greater than that of H2 Bond dissociation energy, therefore in order to activate D2 require more energy.
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