Question

Excess of KI reacts with CuSO4 solution and then Na2S2O3 solution is added to it. Which of the statement is incorrect for this reaction?

Solution

Correct option is

Cul2 is formed

 

 

 

 

 

  0                         +2                                   +2.5                        -1

 

SIMILAR QUESTIONS

Q1

Which of the following elements does not belong to the first transition series?

Q2

Zinc does not show variable valency like d-block elements because

Q3

Which of the following statements is not true in regard to transition elements?

Q4

The catalytic activity of the transition metals and their compounds is ascribed to their

Q5

Cuprous ion is colourless, while cupric ion is coloured because

Q6

 

Of the ions Zn2+, Ni2+ and Cr3+,

(atomic number of Zn = 30, Ni = 28, Cr = 24)

Q7

In which of the following metallic bond is strongest?

Q8

Which of the following ions has the highest magnetic moment?

Q9

Which of the following elements has the maximum first ionization potential?

Q10

When metallic copper comes in contact with moisture, a green powder/pasty coating can be seen over it. This is chemically known as