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Byju's Answer

Standard IX

Chemistry

Reactivity with Air and Water (Group 2)

0.02 mole of ...

Question

0.02 mole of [Co(NH₃)₅Br]Cl₂ and 0.02 mole of [Co(NH₃Cl]SO₄ are present in 200ccof a solution X.The number of moles of the ppt's Yand Z that are formed when the solution X is treated with excess silver nitrate and excess barium chloride are resp

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Solution

0.04moles and 0.02moles.
0.02 moles of [Co(NH₃)₅Br]Cl₂ contain 0.04moles of Cl- ions and hence 0.04 moles of Y are formed on treatment with silver nitrate.
0.02moles of [Co(NH₃Cl]SO₄ contain 0.02 moles of SO₄²^- ions and hence 0.02moles of Z are formed on treatment with barium chloride.

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[C o (N H_{3})_{5} C l] S O_{4}

are present in 200 cc of a solution X. The number of moles of the preceipitates Y and Z that are formed when the solution X is treated with excess silver nitrate and excess barium chloride are respectively :

Q. Mixture

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mol of

[C o (N H_{3})_{5} S O_{4}] B r

and 0.02 mol of

[C o (N H_{3})_{5} B r] S O_{4}

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1L of mixture X + excess

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Q. Mixture X of 0.02 mole of

[C o (N H_{3})_{4} S O_{4}] B r

and 0.02 mole of

[C o (N H_{3})_{5} B r] S O_{4}

was prepared in 2 litre of solution:

1 litre of mixture X + excess of

A g N O_{3} \to Y

1 litre of mixture X + excess of

B a C l_{2} \to Z

Number of moles of Y and Z respectively are :

Q. Mixture

[X] = 0.02

mole of

[C o (N H_{3})_{5} S O_{4}] B r

and 0.02 mol of

[C o (N H_{3})_{5} B r] S O_{4}

was prepared in 2 litre of solution.
1 litre of mixture [X] + excess

A g N O_{3} ⟶

[Y]
1 litre of mixture [X] + excess

B a C l_{2} ⟶

[Z]
No. of moles of [Y] and [Z] are :

Q. Mixture

X

reacts with

0.02

mol of

[C o (N H 3)_{5} S O_{4}] B r

, 0.02 mol of

[C o (N H 3)_{5} B r] S O_{4}

was prepared in 2 litre of solution.
1 litre of mixture

X +

excess

A g N O 3 \to

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1 litre of mixture

X +

excess

B a C 1_{2} \to Z

Number of moles of

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and

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are :

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0.02 mole of [Co(NH3)5Br]Cl2 and 0.02 mole of [Co(NH3Cl]SO4 are present in 200ccof a solution X.The number of moles of the ppt's Yand Z that are formed when the solution X is treated with excess silver nitrate and excess barium chloride are resp

0.04moles and 0.02moles. 0.02 moles of [Co(NH3)5Br]Cl2 contain 0.04moles of Cl- ions and hence 0.04 moles of Y are formed on treatment with silver nitrate. 0.02moles of [Co(NH3Cl]SO4 contain 0.02 moles of SO42- ions and hence 0.02moles of Z are formed on treatment with barium chloride.

0.02 mole of [Co(NH₃)₅Br]Cl₂ and 0.02 mole of [Co(NH₃Cl]SO₄ are present in 200ccof a solution X.The number of moles of the ppt's Yand Z that are formed when the solution X is treated with excess silver nitrate and excess barium chloride are resp