Q 2139180912.     Chlorine gas is prepared in laboratory by the reaction:

`K_2 Cr_2 O_7 + HCl -> KCl + CrCl_3 + Cl_2 + H_2O`

If a 61.3 g sample of 96% `K_2Cr_2O_7` is allowed to react with 320 ml of hydrochloric acid solution having density 1.15 g/ml and containing 30% HCl by mass. Now select the correct statement (s) among the following:

JEE Advanced Paper 1
A

the mass of `Cl_2` generated is 42.63 g

B

equivalent weight of `K_2Cr_2O_7` is 49 g

C

equivalent weight of HCl is 85.16 g

D

the stoichiometric coefficient of HCl is 14

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