Question

Match the complex ions given in Column I with the colours given in Column II and assign the correct code:

Column I (Complex ion)	Column II (Colour)
A. \[\ce{[Co(NH3)6]^{3+}}\]	1. Violet
B. \[\ce{[Ti(H2O)6]^{3+}}\]	2. Green
C. \[\ce{[Ni(H2O)6]^{2+}}\]	3. Pale blue
D. \[\ce{(Ni(H2O)4 (en)]^{2+} (aq)}\]	4. Yellowish orange
	5. Blue

विकल्प

• A - (1), B - (2), C - (4), D - (5)

• A - (4), B - (3), C - (2),  D - (1)

• A - (3), B - (2),  C - (4), D - (1)

• A - (4), B - (1), C - (2), D - (3)

Answer 1

A - (4), B - (3), C - (2),  D - (1)

Explanation:

Column I (Complex ion)	Column II (Colour)
A. \[\ce{[Co(NH3)6]^{3+}}\]	4. Yellowish orange
B. \[\ce{[Ti(H2O)6]^{3+}}\]	3. Pale blue
C. \[\ce{[Ni(H2O)6]^{2+}}\]	2. Green
D. \[\ce{(Ni(H2O)4 (en)]^{2+} (aq)}\]	1. Violet