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

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

Question # 2

Which of the following is a carbonate are?

Question # 3

The total number of transition elements is

Question # 4

Which of the following is obtained when Fe reacts with dil. HNO3?

Question # 5

Which has the largest radius?

Question # 6

Which of the following is a typical transition metal?

Question # 7

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

Question # 8

Most transition elements show

Question # 9

Cu2+with d9electronic configuration appears

Question # 10

Oxalic acid oxidizes to:

Question # 11

What is wrong about transition metals?

Question # 12

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

Question # 13

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

Question # 14

The colour of the transition metal compounds is due to

Question # 15

Which of the following metal exhibits more than one oxidation?

Question # 16

Bronze is an alloy which contains

Question # 17

Across the lanthanide series, the basicity of the lanthanide hydroxides

Question # 18

Which one of the following metal ions is colourless?

Question # 19

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 # 20

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

Question # 21

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

Question # 22

The colour of transition metal complexes is due to

Question # 23

The colour of transition metal complexes is due to

Question # 24

6-d series is in the period :

Question # 25

Stainless steel contains ion and carbon along with

Question # 26

Which is not a bidentate ligand

Question # 27

In physical and chemical properties, transition elements show

Question # 28

Rusting can be avoided by :

Question # 29

The amount of Ni in stainless steel is

Question # 30

The Mn3+has ______ color

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Sr.# Question Answer
1 Stainless steel contains ion and carbon along with
A. Ni and Cr
B. Cr and Co
C. Co and Mn
D. Mn and Ni
2 Most transition elements show
A. Diamagnetic behavior
B. Ferromagnetic behavior
C. Paramagnetic behavior
D. None of these
3 Rusting can be avoided by :
A. Making alloys
B. Tin or Zinc plating
C. Use of enamel
D. All of these
4 Cuprous ore among the following is
A. Chalcopyites
B. Azurite
C. Cuprite
D. Malachitre
5 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
6 Among the lanthandes the one obtained by synthetic method is
A. Lu
B. Pm
C. Pr
D. Gd
7 The oxidation number of Ni in [Ni(CO)4] is
A. +1
B. 0
C. +4
D. -4
8 Maximum variable oxidation state is of:
A. Mn+2
B. Fe+3
C. Cr+1
D. a and b
9 Group VI-B of transition elements contains:
A. Zn, Cd, Hg
B. Fe ,Ru ,Os
C. Cr, Mo ,W
D. Mn, Te, Re
10 Potassium hexacyanoferrate (II) has the formula
A. K4[Fe(CN)6]
B. K3[Fe(CN)6]
C. K2[Fe(CN)6]
D. K [Fe(CN)6]

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