Question

Match the compounds (given in X) with their colours (given in Y) :

	X		Y
A.	$L{i}_{3}N$	I	Pale yellow
B.	$K_{2}O$	II	Orange
C.	$C{s}_{2}O,K{O}_2$	III	Bright yellow
D.	$R{b}_{2}O$	IV	Ruby red

• A. IV, I, II, III
• B. II, III, I, IV
• C. I, II, III, IV
• D. None of these

Answer 1

Answer: (A)

IV, I, II, III

Color of compound is:

$L{i}_{3}N$ - red colour solid.

$K_{2}O$ - pale yellow solid.

$C{s}_{2}O,K{O}_2$ - orange solid.

$R{b}_{2}O$ - Bright yellow solid.

Hence,option A is correct.