MereTeacher

JEE • NEET • FOUNDATION

JEE · NEET Previous Year Question

$A solution of C r O_{5} in amyl alcohol has a....colour$

Topic: JEE PYQ

Answer: D. Full step-by-step solution below.

A $Green$
B $Orange-Red$
C $Yellow$
D $Blue$

Correct answer: D

Solution

(d) A solution of C r O_{5} in amyl alcohol has a blue colour. So, option (d) is correct.

More d- and f-Block Elements PYQs

$Which of the following group of transition metals is called coinage metals?$
$A transition metal ion exists in its highest oxidation state. It is expected to behave as$
$Identify the incorrect statement from the following:$
$The radius of La3+ (Atomic number of La = 57) is 1.06Å. Which one of the following given values will be closest to the radius of L\dots$
$Which of the following factors may be regarded as the main cause of lanthanide contraction?$