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

00:00
Question # 1

Content of carbon in steel is:

Question # 2

Rusting can be avoided by :

Question # 3

CuSO4. 5H2O is used to prepare

Question # 4

Transition metals mostly are

Question # 5

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

Question # 6

The compound which gives oxygen on moderate heating is

Question # 7

[Cu[NH3)4]+2will form ______ structure

Question # 8

Transition elements are called so because:

Question # 9

Across the lanthanide series, the basicity of the lanthanide hydroxides

Question # 10

The Mn3+has ______ color

Question # 11

Potassium hexacyanoferrate (II) has the formula

Question # 12

What are alloys

Question # 13

The colour of transition metal complexes is due to

Question # 14

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

Question # 15

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

Question # 16

Which of the following is used as disinfectant

Question # 17

Which metal is used for catalytic hydrogenation of oils

Question # 18

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

Question # 19

Stainless steel contains Cr upto

Question # 20

Transition elements form which type of bond

Question # 21

In physical and chemical properties, transition elements show

Question # 22

The iron obtained from blast furnace is

Question # 23

The color of Cr3+ion is

Question # 24

Misch mental is

Question # 25

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

Question # 26

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

Question # 27

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

Question # 28

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

Question # 29

The formula of curprite is

Question # 30

Series starting form 39Y to 48CD is in period:

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 CuSO4. 5H2O is used to prepare
A. Transition complex
B. Fehling's 'A' sol
C. Fehling's 'B' sol
D. Fehling's sol
2 Which element has 4 unpaired electrons in 3d-orbital
A. Chromium - 24
B. Manganese - 25
C. Iron - 26
D. Cobalt - 27
3 Which of the following d-block elements can show the highest oxidation number in its compounds
A. Chromium
B. Copper
C. Nickel
D. Manganese
4 Potassium hexacyanoferrate (II) has the formula
A. K4[Fe(CN)6]
B. K3[Fe(CN)6]
C. K2[Fe(CN)6]
D. K [Fe(CN)6]
5 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
6 The number of unpaired electrons in ferrous ion ( Z - 26) is
A. 3
B. 2
C. 4
D. 5
7 Rusting of iron is catalysed by
A. Fe
B. O2
C. Zn
D. H+
8 High purity copper metal is obtained by
A. Carbon reduction
B. Hydrogen reduction
C. Electrolytic reduction
D. Thermite reduction
9 Which of the following transition metal ions will have definite value of magnetic moment?
A. Se3+
B. Ti3+
C. Cu+
D. Zn2+
10 Which of the following is a typical transition metal
A. Sc
B. Y
C. Ra
D. Co

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