ECAT Pre Engineering Chemistry Chapter 17 MCQ Test With Answer

MCQ's Test For ECAT Chemistry Chapter 17 Transition Elements

Try The MCQ's Test For ECAT Chemistry Chapter 17 Transition Elements

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ECAT Chemistry Chapter 17 Transition Elements

00:00
Question # 1

The colour of transition metal complexes is due to

Question # 2

Rusting of iron is catalysed by

Question # 3

Coordination sphere may be:

Question # 4

Turnbull's blue is a compound called?

Question # 5

Titanium is used as a catalyst in

Question # 6

Group VIB of transition elements contains

Question # 7

The iron obtained from blast furnace is

Question # 8

[Ti(H2O)6]+3ion absorbs colour:

Question # 9

The total number of rare earth elements is

Question # 10

3-d series elements are present in:

Question # 11

Which of the following is obtained when Fe reacts with dil. HNO3?

Question # 12

An element in +3 oxidation state has the electronic configuration (Ar) 3d3. Its atomic number is

Question # 13

Coordination number of Pt in [PtCl (NO2) (NH3)4]2-

Question # 14

Which of the following element is responsible for oxidation of water to O2in biological process?

Question # 15

6-d series is in the period :

Question # 16

Which of the following metal exhibits more than one oxidation?

Question # 17

Non-formation of menisus by Hg in presence of O3is due to the formation of

Question # 18

The color of Cr3+ion is

Question # 19

f-block elements are called :

Question # 20

In the extraction of iron, slag is produced which is

Question # 21

The formula of curprite is

Question # 22

Stainless steel contains Cr upto

Question # 23

Among the lanthandes the one obtained by synthetic method is

Question # 24

Across the lanthanide series, the basicity of the lanthanide hydroxides

Question # 25

Interstitial compounds have

Question # 26

The amount of Ni in stainless steel is

Question # 27

AgCl is soluble is

Question # 28

Which of the following acts as ligand

Question # 29

Which element does not belong to 3d transition series

Question # 30

Which metal is used for catalytic hydrogenation of oils

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 Misch mental is
A. An alloy of Aluminium
B. A mixture of chromium and lead chromate
C. An alloy of lanthanoid metals
D. An alloy of copper
2 f-Block elements are also called
A. Non typical transition elements
B. Outer transition elements
C. Normal transition elements
D. Inner transition elements
3 Sodium thisoulophate is used in photography because of its
A. Oxidizing behaviour
B. Reducing behaviour
C. Complexing behaviour
D. Photochemical behaviour
4 In the manufacture of iron from haematitie,limestone is added to act as
A. Flux
B. A reducing agent
C. Slag
D. An oxidizing agent
5 Interstitial compounds have
A. Half formula
B. Fixed formula
C. Indefinite formula
D. None
6 Which alloy contains 50% copper, 25% zinc and 25% nickel
A. German silver
B. Gun metal
C. Bell metal
D. Brass
7 Potassium hexacyanoferrate (II) has the formula
A. K4[Fe(CN)6]
B. K3[Fe(CN)6]
C. K2[Fe(CN)6]
D. K [Fe(CN)6]
8 Which of the following is a typical transition metal?
A. Sc
B. Y
C. Ra
D. Co
9 Transition metals form complexes due to the participation of partially filled
A. f-orbitals
B. d-orbitals
C. s-orbitals
D. p-orbitals
10 Solubility of KMnO4 at higher temperature is:
A. 5%
B. 7%
C. 15%
D. 25%

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