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

In the extraction of iron, slag is produced which is

Question # 2

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

Question # 3

Transition elements are called so because:

Question # 4

Stainless steel contains Cr upto

Question # 5

Most transition elements show

Question # 6

[Co(NH3)6]3+will form ______ structure

Question # 7

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

Question # 8

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

Question # 9

3-d series elements are present in:

Question # 10

In physical and chemical properties, transition elements show

Question # 11

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

Question # 12

Cu2+with d9electronic configuration appears

Question # 13

An oxidixing agent

Question # 14

Which of the following is not an element?

Question # 15

The Mn3+has ______ color

Question # 16

Potassium chromate has formula

Question # 17

IIB elements (Zn, Cd, Hg) and III B elements (Sc, Y and La) are

Question # 18

Which has the largest radius?

Question # 19

Titanium is used as a catalyst in

Question # 20

Corrosion of iron can be prevented by coating the surface with

Question # 21

Across the lanthanide series, the basicity of the lanthanide hydroxides

Question # 22

Which of the following acts as ligand

Question # 23

During oxidation in k2Cr2O7, Cr VI changes to :

Question # 24

Which of the following compounds gives red precipitate with AgNO3?

Question # 25

Which is non typical transition element :

Question # 26

Coordination number of Pt in [PtCI(NO2) (NH3)4]2+is

Question # 27

Elements in which f-orbitals are in the process of completion are called

Question # 28

Corrosion may be prevented by

Question # 29

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

Question # 30

Which element does not belong to 3d transition series

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 Which is the formula of tetra-ammine chloronitro platinum (VI) sulphate?
A. [Pt(NH3)4(NO2)]SO4
B. [PtNO2Cl(NH3)4]SO4
C. [PtCl(NO2)(NH3)4]SO4
D. [Pt(NH3)4(NO2)Cl]SO4
2 Solubility of KMnO4 at higher temperature is:
A. 5%
B. 7%
C. 15%
D. 25%
3 Cuprous ore among the following is
A. Chalcopyites
B. Azurite
C. Cuprite
D. Malachitre
4 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
5 Which of the following is a not typical transition element
A. Cr
B. Mn
C. Zn
D. Fe
6 Which of the following compounds gives red precipitate with AgNO3?
A. Kl
B. K2CrO4
C. NaBr
D. NaNO3
7 Most common oxidation states shownby cerium are
A. +2, +4
B. +3, +4
C. +3, +5
D. +2, +3
8 German silver does not contain
A. Cu
B. Zn
C. Ni
D. Mn
9 The colour of transition metal complexes is due to
A. d-d transitions of electrons
B. Para magnetic nature of transition elements
C. Ionization
D. Loss of s-electrons
10 Besides Zn and Cu , German silver contains the metal
A. Sn
B. Ag
C. Ni
D. Mg

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