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 color of Cr3+ion is

Question # 2

Which of the following is not related to transition metals

Question # 3

The colour of the transition metal compounds is due to

Question # 4

Which of the following is a non-typical transition elements

Question # 5

Which has the largest radius?

Question # 6

The less reactivity of transition metal is due to

Question # 7

5-d series is in the period :

Question # 8

Bronze is an alloy of Cu and

Question # 9

Cu2+with d9electronic configuration appears

Question # 10

During oxidation in k2Cr2O7, Cr VI changes to :

Question # 11

Maximum variable oxidation state is of:

Question # 12

Corrosion of iron can be prevented by coating the surface with

Question # 13

Bell metal is an alloy of

Question # 14

Which is in differnet phase form other metals

Question # 15

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

Question # 16

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

Question # 17

Which is used to identify Cu2+ions

Question # 18

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

Question # 19

High purity copper metal is obtained by

Question # 20

Potassium chromate has formula

Question # 21

Besides Zn and Cu , German silver contains the metal

Question # 22

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

Question # 23

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

Question # 24

Bronze is an alloy which contains

Question # 25

Most common oxidation states shownby cerium are

Question # 26

AgCl is soluble is

Question # 27

4-d series is in the period:

Question # 28

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

Question # 29

The compound which gives oxygen on moderate heating is

Question # 30

Which of the following elements does not show variable oxidation states?

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 What is wrong about transition metals?
A. Diamagnetic
B. Paramagnetic
C. Form complexes
D. Shows variable oxidation state
2 Oxalic acid oxidizes to:
A. CO
B. CO2
C. Oxalates
D. None of these
3 Stainless steel contains Cr upto
A. 12%
B. 18%
C. 10%
D. 5%
4 [Cu[NH3)4]+2will form ______ structure
A. Square planar
B. Tetrahedral
C. Octahedral
D. Trigonal bipyramidal
5 Which of the following is non-typical transition element?
A. Cr
B. Mn
C. Zn
D. Fe
6 Which of the following is a typical transition metal
A. Sc
B. Y
C. Ra
D. Co
7 Transition elements form which type of bond
A. Ionic bonds only
B. Covalent bonds only
C. Ionic and covalent bonds
D. Polar bonds
8 Which of the following d-block elements can show the highest oxidation number in its compounds
A. Chromium
B. Copper
C. Nickel
D. Manganese
9 IIB elements (Zn, Cd, Hg) and III B elements (Sc, Y and La) are
A. Non typical transition element
B. Typical transition element
C. Normal elements
D. Inner transition element
10 Which one of the following has highest density
A. Zn
B. Os
C. Ni
D. Cu

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