MereTeacher

JEE • NEET • FOUNDATION

JEE · NEET Previous Year Question

$Which of the following group of transition metals is called coinage metals?$

Topic: JEE PYQ

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

A $Cu, Ag, Au$
B $Ru, Rh, Pb$
C $Fe, Co, Ni$
D $Os. Ir, Pt$

Correct answer: A

Solution

(a) Cu, Ag, Au group of elements are called coinage metals as these are used in minting coins.

More d- and f-Block Elements PYQs

$A transition metal ion exists in its highest oxidation state. It is expected to behave as$
$Identify the incorrect statement from the following:$
$The radius of La3+ (Atomic number of La = 57) is 1.06Å. Which one of the following given values will be closest to the radius of L\dots$
$Which of the following factors may be regarded as the main cause of lanthanide contraction?$
$A solution of C r O_{5} in amyl alcohol has a....colour$