Question

When MnO2 is fused with KOH, a coloured compound is formed. The product and its colour are

Solution

Correct option is

K2MnO4, purple green

 

SIMILAR QUESTIONS

Q1

The complex [Fe(H2O)5NO]2+ ion has a magnetic moment of 3.87 B.M. This is indicative of the fact that

Q2

Amongst the following ions, which one has the highest paramagnetism?

Q3

Ni(CO)4 and [Ni(NH3)4]2+ do not differ in

Q4

Which of the following statements is not correct?

Q5

Which of the following reagents can be used to distinguish Fe3+ and Fe2+in aqueous solution

Q6

The geometry of Ni(CO)4 and [Ni(P Ph3)2] are

Q7

Of the following which is diamagnetic in nature?

Q8

The [Fe(CN)6]3– complex ion

Q9

50 ml of 0.2 M solution of a compound with empirical formula CoCl3.4NH3 on treatment with excess of AgNO3(aq) yields 1.435 g of AgCl. Ammonia is not removed by treatment with concentrated H2SO4. The formula of the compound is : 

Q10

 

In the process of extraction of gold, 

  

[x] and [y] are :