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When Cu2S is ...

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When Cu2S is converted into Cu+2 and SO2 then equivalent.

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C u_{2} S

is converted into

{C u}^{2 +}

{S O}_{2}

, then equivalent weight of

{C u}_{2} S

[M = molecular weight of

{C u}_{2} S

]

Q. The mixture of

C u S

(molar weight =

M_{1}

C u_{2} S

(molecular weight =

M_{2}

) is oxidised by

K M n O_{4}

(molecular weight =

M_{4}

) in acidic medium, the product obtained are

C u^{2 +}

S O_{2 +}

. The equivalent weights of

C u S, C u_{2} S

K M n O_{4}

respectively, are :

Q. When an equimolar mixture of

C u_{2} S

C u S

is titrated with

B a (M n O_{4})_{2}

in acidic medium, the final product contains

C u^{2 +}

S O_{2}

M n^{2 +}

. If the molecular weight of

C u_{2} S

C u S

B a (M n O_{4})_{2}

M_{1}

M_{2}

M_{3}

respectively then:

Q. When an equimolar mixture of

C u_{2} S

C u S

is titrated with

B a (M n O_{4})_{2}

in acidic medium, the final product contains

C u^{2 +}, S O_{2}

M n^{2 +}

. If the molecular weight of

C u_{2} S, C u S

B a (M n O_{4})_{2}

M_{1}, M_{2}

M_{3}

respectively then,

Q. The equivalent weight of

{C u}_{2} S

(m o l . w t . = M)

in the following reaction is:

{C u}_{2} S + 4 {M n O}_{4} ⟶ {C u}^{2} + {S O}_{2} + {M n}^{2 +}

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