The colour of copper sulphide is

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Copper sulphide is black in colour. $Cu^{2+}$ is placed in $II$ group of inorganic qualitative analysis. It is precipitated in the form of sulphide by

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Black

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Copper sulphide is black in colour. $Cu^{2+}$ is placed in $II$ group of inorganic qualitative analysis. It is precipitated in the form of sulphide by passing $H_2S$ in presence of dil. $HCl$.

$C{{u}^{2+}}\,+\,{{H}_{2}}S\,	o \,\underset{	ext{black}}{\mathop{CuS}}\,\,+\,2{{H}^{+}}$

${E^\Theta }$	$V$	$Cr$	$Mn$	$Fe$	$Co$	$Ni$	$Cu$
$\left( {{M^{2 + }}/M} \right)$	$-1.18$	$-0.91$	$-1.18$	$-0.44$	$-0.28$	$-0.25$	$+0.35$

Similar Questions

For the first row transition metals the ${E^\Theta }$ values are:

${E^\Theta }$ $V$ $Cr$ $Mn$ $Fe$ $Co$ $Ni$ $Cu$

$\left( {{M^{2 + }}/M} \right)$ $-1.18$ $-0.91$ $-1.18$ $-0.44$ $-0.28$ $-0.25$ $+0.35$

Explain the irregularity in the above values.

The alloy of steel that is used in making automobile parts and utensils

Which of the following is not correct

Which of the following statements is incorrect?

Transition metals show paramagnetism