ECAT Pre Engineering Chemistry Chapter 17 MCQ Test With Answer

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 number of unpaired electrons in ferrous ion ( Z - 26) is

Question # 2

Bronze is an alloy which contains

Question # 3

The compound which gives oxygen on moderate heating is

Question # 4

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

Question # 5

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

Question # 6

What are alloys

Question # 7

The color of Cr3+ion is

Question # 8

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

Question # 9

Which is the formula of tetra-ammine chloronitro platinum (VI) sulphate?

Question # 10

In the extraction of iron, slag is produced which is

Question # 11

Which is used to identify Cu2+ions

Question # 12

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

Question # 13

Which of the following metals is sometimes found in native state in nature?

Question # 14

Oxalic acid oxidizes to:

Question # 15

German silver does not contain

Question # 16

Iron, once dipped in concentrated H2SO4, does not displace copper from copper sulphates solution, because

Question # 17

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

Question # 18

High purity copper metal is obtained by

Question # 19

The lanthanides contraction is responsible for the fact that

Question # 20

Which of the following is not related to transition metals

Question # 21

Misch mental is

Question # 22

The geometrical shape of a transition complexion is related to the state of hybridizing of the central atom. What is trigonal bipyramidal

Question # 23

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

Question # 24

[Co(NH3)6]3+will form ______ structure

Question # 25

The geometry of [Co(NH3)6]3+is

Question # 26

Maximum variable oxidation state is of:

Question # 27

The Mn3+has ______ color

Question # 28

The total number of d-bock transition element is

Question # 29

Which is non typical transition element :

Question # 30

Turnbull's blue is a compound called?

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 [Ti(H2O)6]+3ion absorbs colour:
A. Blue
B. Yellow
C. Green
D. Red
2 An element in +3 oxidation state has the electronic configuration (Ar) 3d3. Its atomic number is
A. 24
B. 23
C. 22
D. 21
3 Across the lanthanide series, the basicity of the lanthanide hydroxides
A. Increases
B. Decreases
C. First increases and then decreases
D. First decreases and then increases
4 The coordination number of iron in [Fe(H2O)6]3+is
A. 2
B. 3
C. 4
D. 6
5 Choose the correct answer of transition elements?
A. Transition elements have low melting points
B. Transition elements do not have catalytic activity
C. Transition elements exhibit variable oxidation states
D. Transition elements exhibit inert pair effect
6 5-d series is in the period :
A. 4th
B. 5th
C. 6th
D. 7th
7 What is the shape of Fe(CO)5molecule?
A. Tetrahedral
B. Octahedral
C. Trigonal bipyramidal
D. Square pyramidal
8 The number of unpaired electrons in ferrous ion ( Z - 26) is
A. 3
B. 2
C. 4
D. 5
9 Which element does not belong to 4d series
A. Y
B. Zr
C. Mo
D. Zn
10 Maximum variable oxidation state is of:
A. Mn+2
B. Fe+3
C. Cr+1
D. a and b

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