Questions
Which of the following statements is/are correct? Excess of H2S(g) is bubbled into 1.0 L of 0.1 M CuCl2 solution.
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By Expert Faculty of Sri Chaitanya
a
9.55 of CuS is produced
b
The concentration of H⊕ ions is 0.2 M
c
The concentration of H⊕ ions is 0.1 M.
d
95.5 g CuS is produced
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Correct option is A
Mol of Cu2+=1.0L×0.1M=0.1 mol Cu2+=0.1×2 mol H⊕1. Weight of CuS = 0.1 x 95.5 = 9.55 g2. Concentration of H⊕=0.2 mol1.0 L=0.2 M(3) and (4) are wrong
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