Copper matte contains 1. Only Cu2S 2. Only CuO 3. Cu2S & FeS 4. Cu2S & Cu

Open in App

Solution

Suggest Corrections

Similar questions

Q. Both

M g

and

F e

metal can reduce copper from a solution having

C u^{2 +}

ion, according to equilibria.

M g_{(s)} + C u^{2 +} ⇋ M g^{2 +} + C u_{(s)}; K_{1} = 6 \times 10^{90}

F e_{(s)} + C u^{2 +} ⇋ F e^{2 +} + C u_{(s)}; K_{2} = 3 \times 10^{26}

Choose the correct option regarding above equilibrium.

Q. When an equimolar mixture of

C u_{2} S

and

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}

and

M n^{2 +}

. If the molecular weight of

C u_{2} S

C u S

and

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

are

M_{1}

M_{2}

and

M_{3}

respectively then:

This section contains 1 Assertion-Reason type question, which has 4 choices (a), (b), (c) and (d) out of which ONLY ONE is correct.
इस खण्ड में 1 कथन-कारण प्रकार का प्रश्न है, जिसमें 4 विकल्प (a), (b), (c) तथा (d) दिये गये हैं, जिनमें से केवल एक सही है।

A : Cu²⁺(aq) is more stable than Cu⁺(aq).
A : Cu²⁺(aq), Cu⁺(aq) की अपेक्षा अधिक स्थायी है।

R : The Δ_hydH° of Cu²⁺ is greater than Cu⁺.
R : Cu²⁺की Δ_hydH° का मान Cu⁺ की अपेक्षा अधिक होता है।