Which one of the following when dissolved in water gives coloured solution in nitrogen atmosphere?

Question

Which one of the following when dissolved in water gives coloured solution in nitrogen atmosphere? (A) CuCl 2 (B) AgCl (C) ZnCl 2 (D) Cu 2 Cl 2

Tardigrade Admin · Accepted Answer

(1) CuCl 2+ nH 2 O arrow underset textblue colourCu ( text aq. )+2 (2) AgCl + nH 2 O arrow Insoluble (3) ZnCl 2+ nH 2 O arrow underset textColourlessZn text (aq.) +2 (4) Cu 2 Cl 2+ nH 2 O arrow Insoluble

Q. Which one of the following when dissolved in water gives coloured solution in nitrogen atmosphere?

$C u C l_{2}$

$A g Cl$

$Z n C l_{2}$

$C u_{2} C l_{2}$

(1) $C u C l_{2} + n H_{2} O \to blue colour C u_{(aq.)}^{+ 2}$
(2) $A g Cl + n H_{2} O \to$ Insoluble
(3) $Z n C l_{2} + n H_{2} O \to Colourless Z n_{(aq.)}^{+ 2}$
(4) $C u_{2} C l_{2} + n H_{2} O \to$ Insoluble

Q. Which one of the following when dissolved in water gives coloured solution in nitrogen atmosphere?

CuCl2​

AgCl

ZnCl2​

Cu2​Cl2​

(1) CuCl2​+nH2​O→blue colourCu(aq. )+2​​ (2) AgCl+nH2​O→ Insoluble (3) ZnCl2​+nH2​O→ColourlessZn(aq.) +2​​ (4) Cu2​Cl2​+nH2​O→ Insoluble

$C u C l_{2}$

$A g Cl$

$Z n C l_{2}$

$C u_{2} C l_{2}$

(1) $C u C l_{2} + n H_{2} O \to blue colour C u_{(aq.)}^{+ 2}$
(2) $A g Cl + n H_{2} O \to$ Insoluble
(3) $Z n C l_{2} + n H_{2} O \to Colourless Z n_{(aq.)}^{+ 2}$
(4) $C u_{2} C l_{2} + n H_{2} O \to$ Insoluble