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

The elements in which d or f-orbitals are incomplete are called

Question # 2

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 # 3

Transition elements are called so because:

Question # 4

The less reactivity of transition metal is due to

Question # 5

What is the shape of Fe(CO)5molecule?

Question # 6

Which of the following transition metal ions will have definite value of magnetic moment?

Question # 7

In the electronic configuration of Cr one electron from 4s sub-shell is transfered to 3d sub-shell because

Question # 8

Which is used to identify Cu2+ions

Question # 9

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

Question # 10

Which of the following metal exhibits more than one oxidation?

Question # 11

A phtotographic plate is coated with an emulsion of silver nitrate and

Question # 12

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

Question # 13

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

Question # 14

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

Question # 15

The total number of transition elements is:

Question # 16

Maximum variable oxidation state is of:

Question # 17

Which of the following is a not typical transition element

Question # 18

Across the lanthanide series, the basicity of the lanthanide hydroxides

Question # 19

Which of the following is a carbonate are?

Question # 20

In the extraction of iron, slag is produced which is

Question # 21

In physical and chemical properties, transition elements show

Question # 22

Which element does not belong to 4d series

Question # 23

Platinum (IV) chloride combines with ammonia to form compounds in which the coordination number of the platinum is 6. A formula unit on one of the compound contains a cation and only two chloride ions. What is the formula of this compound

Question # 24

Fe+3and Mn2+are strong paramagnetic because the number of unpaired electrons in each is

Question # 25

Which is the correct electronic configuration of Cr - 24

Question # 26

[Zn(NH3)4]3+possess geometry

Question # 27

Cu2+with d9electronic configuration appears

Question # 28

The colour of the transition metal compounds is due to

Question # 29

What is wrong about transition metals?

Question # 30

Which element has 4 unpaired electrons in 3d-orbital

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 Which of the following is a typical transition metal?
A. Sc
B. Y
C. Ra
D. Co
2 The formula of curprite is
A. Cu2S
B. Cus
C. Cu2O
D. CuCO3
3 What are alloys
A. A homogenous mixture of two or more elements
B. A homohenous mixture of metal and a non-metal
C. A homogenous mixture of two or more metals
D. None of the above
4 Series starting from57La,42Hf -80Hg is in the period:
A. 4th
B. 5th
C. 6th
D. 7th
5 The total number of d-bock transition element is
A. 10
B. 14
C. 40
D. 30
6 The compound which gives oxygen on moderate heating is
A. Zinc oxide
B. Mercuric oxide
C. Aluminium oxide
D. Ferric oxide
7 [Co(NH3)6]3+will form ______ structure
A. Square planar
B. Tetrahedral
C. Octahedral
D. Trigonal bipyamidal
8 Which is used to identify Cu2+ions
A. Nitric acid
B. Sulfuric acid
C. NaOH
D. HCI
9 The total number of transition elements is:
A. 10
B. 14
C. 40
D. 50
10 Bell metal is an alloy of Sn and
A. Copper
B. Iron
C. Zinc
D. Magnesium

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