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

00:00
Question # 1

Elements in which f-orbitals are in the process of completion are called

Question # 2

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

Question # 3

Which one of the following has highest density

Question # 4

Most transition elements show

Question # 5

The number of unpaired electrons in Fe3+(Z = 26) are

Question # 6

In the extraction of iron, slag is produced which is

Question # 7

The lanthanides contraction is responsible for the fact that

Question # 8

Which of the following is a carbonate are?

Question # 9

3-d series elements are present in:

Question # 10

Bronze is an alloy of Cu and

Question # 11

The colour of transition metal complexes is due to

Question # 12

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

Question # 13

The colour of transition metal complexes is due to:

Question # 14

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

Question # 15

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

Question # 16

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

Question # 17

Series starting from57La,42Hf -80Hg is in the period:

Question # 18

The formula of curprite is

Question # 19

The color of Cr3+ion is

Question # 20

The number of unpaired electrons in Mn2+is

Question # 21

The Mn3+has ______ color

Question # 22

Which has the largest radius?

Question # 23

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

Question # 24

Bronze is an alloy which contains

Question # 25

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

Question # 26

Series starting form 39Y to 48CD is in period:

Question # 27

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

Question # 28

E.D.T.A is

Question # 29

Transition metals form complexes due to the participation of partially filled

Question # 30

Bell metal is an alloy of

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 Which of the following is a non-typical transition elements
A. Cr
B. Mn
C. Zn
D. Fe
2 What is the shape of Fe(CO)5molecule?
A. Tetrahedral
B. Octahedral
C. Trigonal bipyramidal
D. Square pyramidal
3 Which is used to identify Cu2+ions
A. Nitric acid
B. Sulfuric acid
C. NaOH
D. HCI
4 Coordination number of Pt in [Pt Cl(NO2) (NH3)]2-is
A. 2-
B. 4
C. 1
D. 6
5 The colour of the transition metal compounds is due to
A. p-d transition
B. d-d transition
C. s-p transition
D. None of these
6 The colour of transition metal complexes is due to:
A. d-d transitions of electorns
B. Paramagnetic nature of transition
C. Ionization
D. Loss of s-electrons
7 The formula of curprite is
A. Cu2S
B. Cus
C. Cu2O
D. CuCO3
8 Maximum variable oxidation state is of:
A. Mn+2
B. Fe+3
C. Cr+1
D. a and b
9 Which of the following element is responsible for oxidation of water to O2in biological process?
A. Fe
B. Mn
C. Cu
D. Mo
10 Stainless steel contains Cr upto
A. 12%
B. 18%
C. 10%
D. 5%

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