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H2(g) + Cl2(g) to 2HCl(g)……."rate" = r1 ...

`H_2(g) + Cl_2(g) to 2HCl(g)……."rate" = r_1`
`D_2(g) + Cl_2(g) + 2DCl(g) ….."rate" = r_2`.
The value of `r_1 gt r_2` . Then the correct statement among the following is

A

H - H and D - D bond length are same

B

H - H has greater bond energy than D-D

C

The activation energy for the first reaction is less than the of the second reaction

D

The activation energy for the first reaction is greater than the of the second reaction

Text Solution

Verified by Experts

The correct Answer is:
C
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AAKASH SERIES-HYDROGEN AND ITS COMPOUNDS-OBJECTIVE EXERCISE - 3
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