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 colour of transition metal complexes is due to:

Question # 2

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

Question # 3

Which of the following acts as ligand

Question # 4

Bessemer converter is used in the manufacture of

Question # 5

What are alloys

Question # 6

Potassium chromate has formula

Question # 7

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

Question # 8

Out of 110 known elements, transition elements are

Question # 9

The protection of steel by chrome plating is due to

Question # 10

Across the lanthanide series, the basicity of the lanthanide hydroxides

Question # 11

The color of Cr3+ion is

Question # 12

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

Question # 13

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

Question # 14

The compound which gives oxygen on moderate heating is

Question # 15

Which of the following is a not typical transition element

Question # 16

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

Question # 17

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

Question # 18

Transition elements differ from s and p block elements due to their characteristic properties. What is not he characteristic property of transition elements

Question # 19

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

Question # 20

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

Question # 21

Bronze is an alloy which contains

Question # 22

What is the name of the comlex [Ni(CO)4]

Question # 23

Which period starts from 11Sc to 30Zn ?

Question # 24

Which of the following is a transition element

Question # 25

Sodium thisoulophate is used in photography because of its

Question # 26

The colour of transition metal complexes is due to

Question # 27

The number of unpaired electrons in Mn2+is

Question # 28

Which of the following is non-typical transition element?

Question # 29

In physical and chemical properties, transition elements show

Question # 30

Rusting of iron is catalysed by

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 Cuprous ore among the following is
A. Chalcopyites
B. Azurite
C. Cuprite
D. Malachitre
2 3-d series elements are present in:
A. First period
B. Second Period
C. Third period
D. 4th period
3 Elements in which f-orbitals are in the process of completion are called
A. Outer transition element
B. Inner transition elements
C. Non-tranistion elements
D. Radioactive elements
4 Which of the following is a typical transition metal?
A. Sc
B. Y
C. Ra
D. Co
5 Series starting from57La,42Hf -80Hg is in the period:
A. 4th
B. 5th
C. 6th
D. 7th
6 4-d series is in the period:
A. 4th
B. 5th
C. 6th
D. 7th
7 Oxalic acid oxidizes to:
A. CO
B. CO2
C. Oxalates
D. None of these
8 The equivalent weight of KMnO4(formula weight = M) when it is used as an oxidant in neutral medium is
A. M
B. M/2
C. M/3
D. M/5
9 Potassium chromate has formula
A. KClO3
B. K2CO3
C. K2CrO4
D. K2Cr2O7
10 f-Block elements are also called
A. Non typical transition elements
B. Outer transition elements
C. Normal transition elements
D. Inner transition elements

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