A Question from IIT 2003

Mixture X=0.02 moles of [Co(NH3)5SO4]Br and 0.02 moles of [Co(NH3)5Br]SO4 was prepared in 2 L of solution:

1 L of mixture X+excess of AgNO3→Y
1 L of mixture X+excess of BaCl2→Z

Number of moles of Y and Z are:

a)0.01,0.01
b)0.02,0.01
c)0.01,0.02
d)0.02,0.02.

4 Answers

11
vaibhav sharma ·

(a)

1
chessenthus ·

Vaibhav,

Please tell me how did you get the answer.

11
vaibhav sharma ·

for Y:

[Co(NH3)5SO4]Br → Br-

moles→ 0.01 0.01

AgNO3 + Br- → AgBr (Y)

moles→ excess 0.01 0.01

similarly do it for Z

6
AKHIL ·

yup

answer is a

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