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

Most transition elements show

Question # 2

The iron obtained from blast furnace is

Question # 3

Maximum variable oxidation state is of:

Question # 4

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

Question # 5

Which has the largest radius?

Question # 6

The compound which gives oxygen on moderate heating is

Question # 7

Which of the following metal exhibits more than one oxidation?

Question # 8

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 # 9

Out of 110 known elements, transition elements are

Question # 10

Which of the following is not related to transition metals

Question # 11

The total number of d-bock transition element is

Question # 12

Which of the following metals is sometimes found in native state in nature?

Question # 13

Which of the following is a non-typical transition elements

Question # 14

Bell metal is an alloy of Sn and

Question # 15

Which is non typical transition element :

Question # 16

CuSO4. 5H2O is used to prepare

Question # 17

The oxidation number of Ni in [Ni(CO)4] is

Question # 18

What is the name of the comlex [Ni(CO)4]

Question # 19

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

Question # 20

5-d series is in the period :

Question # 21

Property of transition element is :

Question # 22

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

Question # 23

An oxidixing agent

Question # 24

Rusting of iron is catalysed by

Question # 25

Addition of iron fillings to CuSO4solution caused precipitation of Cu owing to the

Question # 26

High purity copper metal is obtained by

Question # 27

Which period starts from 11Sc to 30Zn ?

Question # 28

Oxalic acid oxidizes to:

Question # 29

Transition elements are called so because:

Question # 30

The total number of rare earth elements is

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Sr.# Question Answer
1 Property of transition element is :
A. Low m.p and b.p
B. Parramagnetism
C. Oxidation state
D. Low binding energies
2 Group VI-B of transition elements contains:
A. Zn, Cd, Hg
B. Fe ,Ru ,Os
C. Cr, Mo ,W
D. Mn, Te, Re
3 Iron, once dipped in concentrated H2SO4, does not displace copper from copper sulphates solution, because
A. It less reactive than copper
B. A layer of sulphates is deposited on it
C. An inert layer of iron oxide is deposited on it
D. All valence electrons of iron are consumed
4 Transition elements are called so because:
A. Form interstital sompounds
B. have high m.p
C. In between 's' and' 'p' block elements
D. All of these
5 Transition elements form which type of bond
A. Ionic bonds only
B. Covalent bonds only
C. Ionic and covalent bonds
D. Polar bonds
6 Which of the following is non-typical transition element?
A. Cr
B. Mn
C. Zn
D. Fe
7 Most transition elements show
A. Diamagnetic behavior
B. Ferromagnetic behavior
C. Paramagnetic behavior
D. None of these
8 Which is the formula of tetra-ammine chloro-nitro platinum (IV) sulphate
A. [Pt(NH3)4(NO2)] SO4
B. [Pt NO2CI(NH3)4] SO4
C. [Pt CI(NO2) (NH3)4] SO4
D. [Pt (NH3)4(NO2) CI] SO4
9 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
10 Most common oxidation states shownby cerium are
A. +2, +4
B. +3, +4
C. +3, +5
D. +2, +3

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