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

Mercury is the only metal which is liquid at 0°C. this is due to its

Question # 2

High purity copper metal is obtained by

Question # 3

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

Question # 4

5-d series is in the period :

Question # 5

Potassium hexacyanoferrate (II) has the formula

Question # 6

Bell metal is an alloy of Sn and

Question # 7

The formula of curprite is

Question # 8

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

Question # 9

Steel may be manufacture by two processes which two are correct

Question # 10

Which is non typical transition element :

Question # 11

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

Question # 12

Which element belong to 5d series

Question # 13

Corrosion may be prevented by

Question # 14

In the electronic configuration of Cr one electron from 4s sub-shell is transfered to 3d sub-shell because

Question # 15

Which of the following compounds gives red precipitate with AgNO3?

Question # 16

The total number of rare earth elements is

Question # 17

The colour of transition metal complexes is due to

Question # 18

What is wrong about transition metals?

Question # 19

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

Question # 20

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

Question # 21

An oxidixing agent

Question # 22

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

Question # 23

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

Question # 24

Across the lanthanide series, the basicity of the lanthanide hydroxides

Question # 25

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

Question # 26

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

Question # 27

Among the lanthandes the one obtained by synthetic method is

Question # 28

Stainless steel contains ion and carbon along with

Question # 29

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

Question # 30

Which of the following is a not typical transition element

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 E.D.T.A is
A. Mono-dentate
B. Bi-dentate
C. Polydentate
D. Having three lone pairs of electrons
2 Which is used to identify Cu2+ions
A. Nitric acid
B. Sulfuric acid
C. NaOH
D. HCI
3 The less reactivity of transition metal is due to
A. High heats of sublimation
B. High ionization energies
C. Low heats of salvation
D. All these
4 In the extraction of iron, slag is produced which is
A. CO
B. FeSiO3
C. MgSiO3
D. CaSiO3
5 Which of the following acts as ligand
A. NH3
B. NH2-- CH2-- CH2-- NH2
C. C2O2-4
D. All these
6 The Mn3+has ______ color
A. Violet
B. Green
C. Red/brown
D. No color
7 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
8 Which of the following is non-typical transition element?
A. Cr
B. Mn
C. Zn
D. Fe
9 Bronze is an alloy which contains
A. 60% cu
B. 70% cu
C. 80% cu
D. 99% cu
10 In physical and chemical properties, transition elements show
A. Similarities
B. Dissimilarities
C. Both of these
D. Somestimes similarities, sometimes dissimilarities

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