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

Transition elements are called so because:

Question # 2

Coordination number of Pt in [PtCl (NO2) (NH3)4]2-

Question # 3

A phtotographic plate is coated with an emulsion of silver nitrate and

Question # 4

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

Question # 5

An element in +3 oxidation state has the electronic configuration (Ar) 3d3. Its atomic number is

Question # 6

Coordination number of Pt in [Pt Cl(NO2) (NH3)]2-is

Question # 7

The colour of transition metal complexes is due to:

Question # 8

Sodium thisoulophate is used in photography because of its

Question # 9

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

Question # 10

Steel may be manufacture by two processes which two are correct

Question # 11

The colour of transition metal complexes is due to

Question # 12

CuSO4. 5H2O is used to prepare

Question # 13

Which has the largest radius?

Question # 14

Which of the following d-block elements can show the highest oxidation number in its compounds

Question # 15

Group VIB of transition elements contains

Question # 16

Oxalic acid oxidizes to:

Question # 17

Which of the following is a typical transition metal?

Question # 18

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 # 19

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

Question # 20

Most transition elements show

Question # 21

Non-formation of menisus by Hg in presence of O3is due to the formation of

Question # 22

Transition metals mostly are

Question # 23

Fe+3and Mn2+are strong paramagnetic because the number of unpaired electrons in each is

Question # 24

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

Question # 25

Choose the correct answer of transition elements?

Question # 26

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

Question # 27

Rusting of iron is catalysed by

Question # 28

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

Question # 29

Across the lanthanide series, the basicity of the lanthanide hydroxides

Question # 30

The total number of d-bock transition element is

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 Sodium thisoulophate is used in photography because of its
A. Oxidizing behaviour
B. Reducing behaviour
C. Complexing behaviour
D. Photochemical behaviour
2 The protection of steel by chrome plating is due to
A. Cathodic protection
B. Anodic protection
C. Covering of steel surface
D. Formation of alloy with iron
3 The compound which gives oxygen on moderate heating is
A. Zinc oxide
B. Mercuric oxide
C. Aluminium oxide
D. Ferric oxide
4 Titanium is used as a catalyst in
A. Hydrogenation
B. Dehydrogenation
C. Polymerization of P.E.
D. Oxidation of ammonia
5 Coordination sphere may be:
A. Cationic
B. Anionic
C. Neutral
D. All above
6 CuSO4. 5H2O is used to prepare
A. Transition complex
B. Fehling's 'A' sol
C. Fehling's 'B' sol
D. Fehling's sol
7 d-block elements closely resemble in their physical and chemical properties. Which statement is incorrect
A. They show variable valency
B. Their ions and compounds are coloured
C. They are good conductors of heat and electricity
D. Their compounds are diamagnetic
8 An oxidixing agent
A. K2Cr2O7
B. H2SO4
C. FeSO4
D. K2SO4
9 Bronze is an alloy which contains
A. 60% cu
B. 70% cu
C. 80% cu
D. 99% cu
10 How many mole of acidfied FeSO4solution can be completely oxidized by one mole of KMNO4?
A. 10
B. 5
C. 6
D. 2

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