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

Bronze is an alloy which contains

Question # 2

During oxidation in k2Cr2O7, Cr VI changes to :

Question # 3

f-block elements are called :

Question # 4

The colour of a transition metal complex is due to d-d transition The colour of the complex is the complementary of the colour absorbed. Thus [Ti(H2O6]3+abosrbs yellow light and transmits blue and red colours therefore the solution of titanium complex appears

Question # 5

Bronze is an alloy of Cu and

Question # 6

Mercury is the only metal which is liquid at 0°C. this is due to its

Question # 7

The coordination number of iron in [Fe(H2O)6]3+is

Question # 8

Which one of the following metal ions is colourless?

Question # 9

Which alloy contains 50% copper, 25% zinc and 25% nickel

Question # 10

The iron obtained from blast furnace is

Question # 11

The color of Cr3+ion is

Question # 12

Which of the following is a not typical transition element

Question # 13

Rusting of iron is catalysed by

Question # 14

Which of the following is not an element?

Question # 15

Sodium thisoulophate is used in photography because of its

Question # 16

Group VIB of transition elements contains

Question # 17

Potassium hexacyanoferrate (II) has the formula

Question # 18

Which is the formula of tetra-ammine chloro-nitro platinum (IV) sulphate

Question # 19

Steel may be manufacture by two processes which two are correct

Question # 20

Transition elements form which type of bond

Question # 21

The formula of curprite is

Question # 22

The percentage of carbon in different types of iron products is in the order of:

Question # 23

All 3d series elements show variable oxidation states. The one shown by all 3d elements is

Question # 24

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

Question # 25

Which of the following is not correct about transition metals?

Question # 26

The oxidation number of Ni in [Ni(CO)4] is

Question # 27

The free spaces between the metal atoms and its crystal lattice are called

Question # 28

Which of the following is a transition element

Question # 29

How many mole of acidfied FeSO4solution can be completely oxidized by one mole of KMNO4?

Question # 30

Which of the following acts as ligand

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 5-d series is in the period :
A. 4th
B. 5th
C. 6th
D. 7th
2 Which one of the following metal ions is colourless?
A. V2+
B. Cr3+
C. Zn2+
D. Ti3+
3 The less reactivity of transition metal is due to
A. High heats of sublimation
B. High ionization energies
C. Low heats of salvation
D. All these
4 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
5 The geometry of [Co(NH3)6]3+is
A. Tetrahedral
B. Square planar
C. Octahedral
D. None of these
6 Maximum variable oxidation state is of:
A. Mn+2
B. Fe+3
C. Cr+1
D. a and b
7 Transition elements differ from s and p block elements due to their characteristic properties. What is not he characteristic property of transition elements
A. Transition elements show variable oxidation states
B. Their salts are coloured
C. They can be used as catalyst
D. All of them are metals
8 The total number of transition elements is:
A. 10
B. 14
C. 40
D. 50
9 During oxidation in k2Cr2O7, Cr VI changes to :
A. I
B. II
C. III
D. IV
10 Electronic configuration of Cu+2is
A. 4S2, 3d9
B. 4s-1, 3d10
C. 4S0, 3d9
D. None of these

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