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

Which of the following is not related to transition metals

Question # 2

Which of the following is non-typical transition element?

Question # 3

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

Question # 4

What is wrong about transition metals?

Question # 5

Out of 110 known elements, transition elements are

Question # 6

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

Question # 7

The colour of transition metal complexes is due to:

Question # 8

Which of the following compounds gives red precipitate with AgNO3?

Question # 9

The total number of transition elements is:

Question # 10

Which of the following transition metal ions will have definite value of magnetic moment?

Question # 11

5-d series is in the period :

Question # 12

Across the lanthanide series, the basicity of the lanthanide hydroxides

Question # 13

Maximum variable oxidation state is of:

Question # 14

What are alloys

Question # 15

Stainless steel contains Cr upto

Question # 16

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

Question # 17

Which is used to identify Cu2+ions

Question # 18

Cu2+with d9electronic configuration appears

Question # 19

Which of the following has the maximum number of unpaired d-electrons?

Question # 20

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

Question # 21

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

Question # 22

The oxidation state of Fe in [Fe(CN)6]3-is

Question # 23

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

Question # 24

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

Question # 25

Which period starts from 11Sc to 30Zn ?

Question # 26

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 # 27

The total number of d-bock transition element is

Question # 28

Steel may be manufacture by two processes which two are correct

Question # 29

The less reactivity of transition metal is due to

Question # 30

During oxidation in k2Cr2O7, Cr VI changes to :

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 Which element belong to 5d series
A. V
B. Nb
C. Pd
D. Hf
2 The Mn3+has ______ color
A. Violet
B. Green
C. Red/brown
D. No color
3 Which element does not belong to 3d transition series
A. Ti
B. V
C. Mn
D. Te
4 3-d series elements are present in:
A. First period
B. Second Period
C. Third period
D. 4th period
5 Which one of the following metal ions is colourless?
A. V2+
B. Cr3+
C. Zn2+
D. Ti3+
6 The iron obtained from blast furnace is
A. Pig iron
B. Wrought ion
C. Soft ion
D. Steel
7 Oxalic acid oxidizes to:
A. CO
B. CO2
C. Oxalates
D. None of these
8 [Zn(NH3)4]3+possess geometry
A. Square plannar
B. Hexagonal
C. Tetrahedral
D. None of these
9 Which has the largest radius?
A. CO3+
B. Mn3+
C. Fe3+
D. Cr3+
10 In the electronic configuration of Cr one electron from 4s sub-shell is transfered to 3d sub-shell because
A. The 3rd orbital is of lower energy than 4s
B. The 4s orbital is of equal energy to 3d orbital
C. The half filled d-subshell is more stable than incomplete d-sub shell
D. 6 unpaired electrons make Cr more paramagnetic

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