Quiz 4 Transition Elements

Density of transition metals is greater than the density of the Group 1 and 2 metals.

• True

• false

Which of the following transition elements is used as a catalyst in Haber’s process?

• Fe

• Ni

• Ti

• V

The metal ion which is NOT coloured is-:

• Ti⁺³

• Fe⁺³

• V⁺²

• Zn⁺²

Which of the following compounds is expected to be coloured?

• AgNO₃

• CuSO₄

• ZnCl₂

• CuCl

•Which of the following ion is diamagnetic in nature?

• Fe⁺³

• Sc ⁺³

• Cr⁺²

• Cu⁺²

Highest magnetic moment is shown by the ion-:

• Cr⁺³

• Fe⁺³

• Co⁺³

• V⁺²

X is a suitable material used to build aircraft jet engines because it has a low density and high resistance to corrosion. X is

• carbon fibre

• chromium

• titanium

• tin

Which of the transition elements exhibit highest oxidation state?

• Manganese

• Vanadium

• Iron

• Chromium

Four elements A, B, C and D: the element (A) used as a catalyst in the preparation of Ammonia gas in industry , one of the compounds of element (B) used as oxidizing agent in the dry cell, the element (C) used in manufacture of heating coils and element (D) is the first discovered metal . Based on the previous information, the correct arrange of these four element will be:

• Fe - Ni - Cu - Mn

• Mn - V - Fe - Zn

• V - Zn - Mn - Fe

• Fe - Mn - Ni - Cu

the addition of fehling solution to that juice then boiling

• the blue colour remain unchanged

• the blue colour changed into red

• the blue colour changed into green