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A graph of volume of hydrogen released ...

A graph of volume of hydrogen released vs time for the reaction between zinc and dil. HCl is given in figure . On the basis of this markt the correct options.

A

Average rate upto 40 s is `(V_(3) - V_(2))/(40)`

B

Average rate upto 40 s is `(V_(3)-V_(2))/(40-30)`

C

Average rate upto 40 s is `(V_(3))/(40)`

D

Average rate upto 40 s is `(V_(3)- V_(1))/(40-20)`

Text Solution

Verified by Experts

The correct Answer is:
C
`Zn + dil . HCL to ZnCl_(2) + H_(2) uarr`
`"Average rate of reaction" =("change in concentration of"H_(2))/("Change in time ")=(V_(3) -0)/(10-0) =(V_(3))/(40)`
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