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

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

Question # 2

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

Question # 3

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

Question # 4

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

Question # 5

The percentage of carbon in different types of iron products is in the order of:

Question # 6

An oxidixing agent

Question # 7

Which element belong to 5d series

Question # 8

The total number of inner transition elements in the periodic table is

Question # 9

The equivalent weight of KMnO4(formula weight = M) when it is used as an oxidant in neutral medium is

Question # 10

Corrosion of iron can be prevented by coating the surface with

Question # 11

The percentage of carbon in different types of iron products is in the order of

Question # 12

During oxidation in k2Cr2O7, Cr VI changes to :

Question # 13

The colour of the transition metal compounds is due to

Question # 14

The number of unpaired electrons in Mn2+is

Question # 15

Which of the following compounds gives red precipitate with AgNO3?

Question # 16

Which of the following is not an element?

Question # 17

In physical and chemical properties, transition elements show

Question # 18

Cu2+with d9electronic configuration appears

Question # 19

The less reactivity of transition metal is due to

Question # 20

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

Question # 21

The elements in which d or f-orbitals are incomplete are called

Question # 22

AgCl is soluble is

Question # 23

Besides Zn and Cu , German silver contains the metal

Question # 24

Which is non typical transition element :

Question # 25

d-block elements are also called :

Question # 26

Transition metals mostly are

Question # 27

Which metal is used for catalytic hydrogenation of oils

Question # 28

6-d series is in the period :

Question # 29

Which is the correct electronic configuration of Cr - 24

Question # 30

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

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 Choose the correct answer of transition elements?
A. Transition elements have low melting points
B. Transition elements do not have catalytic activity
C. Transition elements exhibit variable oxidation states
D. Transition elements exhibit inert pair effect
2 CuSO4. 5H2O is used to prepare
A. Transition complex
B. Fehling's 'A' sol
C. Fehling's 'B' sol
D. Fehling's sol
3 Which of the following has the maximum number of unpaired d-electrons?
A. Zn
B. Fe2+
C. Ni3+
D. Cu+
4 f-block elements are called :
A. Alkali metal
B. Alkakline earth metals
C. Transition elements
D. Electron deficient elements
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 A transition element is defined as an element of 3d series
A. Which is metal
B. Which has one stable ion
C. Which has two stable ions
D. Which has at least one stable ion with incomplete d-orbital
7 Misch mental is
A. An alloy of Aluminium
B. A mixture of chromium and lead chromate
C. An alloy of lanthanoid metals
D. An alloy of copper
8 [Co(NH3)6]3+will form ______ structure
A. Square planar
B. Tetrahedral
C. Octahedral
D. Trigonal bipyamidal
9 Which of the following element is responsible for oxidation of water to O2in biological process?
A. Fe
B. Mn
C. Cu
D. Mo
10 The free spaces between the metal atoms and its crystal lattice are called
A. Valance spaces
B. Empty spaces
C. Interstices
D. None

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