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

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Question # 1

Solubility of KMnO4 at higher temperature is:

Question # 2

Which of the following metal exhibits more than one oxidation?

Question # 3

IIB elements (Zn, Cd, Hg) and III B elements (Sc, Y and La) are

Question # 4

Which one of the following has highest density

Question # 5

Transition metals form complexes due to the participation of partially filled

Question # 6

Which of the following has the maximum number of unpaired d-electrons?

Question # 7

Which one of the following metal ions is colourless?

Question # 8

4-d series is in the period:

Question # 9

Cu2+with d9electronic configuration appears

Question # 10

The equivalent weight of KMnO4(formula weight = M) when it is used as an oxidant in neutral medium is

Question # 11

The total number of inner transition elements in the periodic table is

Question # 12

Addition of iron fillings to CuSO4solution caused precipitation of Cu owing to the

Question # 13

[Cu[NH3)4]+2will form ______ structure

Question # 14

Which of the following is not correct about transition metals?

Question # 15

Stainless steel contains Cr upto

Question # 16

The colour of transition metal complexes is due to

Question # 17

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

Question # 18

The colour of transition metal complexes is due to

Question # 19

A transition element is defined as an element of 3d series

Question # 20

Which element belong to 5d series

Question # 21

Bell metal is an alloy of

Question # 22

Turnbull's blue is a compound called?

Question # 23

In an ooctahedral crystal field splitting, the number of orbitals pushed down in energy is

Question # 24

f-block elements are called :

Question # 25

Among the lanthandes the one obtained by synthetic method is

Question # 26

During oxidation in k2Cr2O7, Cr VI changes to :

Question # 27

An oxidixing agent

Question # 28

d-block elements are also called :

Question # 29

6-d series is in the period :

Question # 30

Potassium chromate has formula

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 Coordination number of Pt in [PtCI(NO2) (NH3)4]2+is
A. 2-
B. 4
C. 1
D. 6
2 The colour of transition metal complexes is due to
A. d-d transitions of electrons
B. Para magnetic nature of transition elements
C. Ionization
D. Loss of s-electrons
3 Content of carbon in steel is:
A. 0.12 to 0.25%
B. 0.25% to 2.5%
C. 3.0 to 3.5%
D. 4.0 to 4.5%
4 A transition element is defined as an element of 3d series
A. Which is metal
B. Which has one stable ion
C. Which has two stable ions
D. Which has at least one stable ion with incomplete d-orbital
5 Potassium chromate has formula
A. KClO3
B. K2CO3
C. K2CrO4
D. K2Cr2O7
6 What is the shape of Fe(CO)5molecule?
A. Tetrahedral
B. Octahedral
C. Trigonal bipyramidal
D. Square pyramidal
7 The number of unpaired electrons in ferrous ion ( Z - 26) is
A. 3
B. 2
C. 4
D. 5
8 [Ti(H2O)6]+3ion absorbs colour:
A. Blue
B. Yellow
C. Green
D. Red
9 Which alloy contains 50% copper, 25% zinc and 25% nickel
A. German silver
B. Gun metal
C. Bell metal
D. Brass
10 The iron obtained from blast furnace is
A. Pig iron
B. Wrought ion
C. Soft ion
D. Steel

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