MereTeacher

JEE • NEET • FOUNDATION

JEE · NEET Previous Year Question

$When a mixture of manganese dioxide, potassium hydroxide and potassium chlorate is fused, the product obtained are$

Topic: JEE PYQ

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

A $K_{2} SO_{4}$
B $K_{2} MnO_{3}$
C $K_{2} MnO_{4}$
D $KMnO_{4}$

Correct answer: C

Solution

(c) : 3 MnO_{2} + 6 KOH + KClO_{3} ⟶ Manganese Potassium Potassium dioxide hydroxide chlorate

More d- and f-Block Elements PYQs

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