ECAT Pre Engineering Chemistry Chapter 17 MCQ Test With Answer

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 is a non-typical transition elements

Question # 2

Most transition elements show

Question # 3

Transition elements form which type of bond

Question # 4

Group VIB of transition elements contains

Question # 5

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

Question # 6

The total number of d-bock transition element is

Question # 7

The colour of transition metal complexes is due to:

Question # 8

Which is the correct electronic configuration of Cr - 24

Question # 9

Across the lanthanide series, the basicity of the lanthanide hydroxides

Question # 10

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

Question # 11

The formula of curprite is

Question # 12

How many mole of acidfied FeSO4solution can be completely oxidized by one mole of KMNO4?

Question # 13

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

Question # 14

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

Question # 15

Which of the following has the maximum number of unpaired d-electrons?

Question # 16

f-Block elements are also called

Question # 17

The colour of a transition metal complex is due to d-d transition The colour of the complex is the complementary of the colour absorbed. Thus [Ti(H2O6]3+abosrbs yellow light and transmits blue and red colours therefore the solution of titanium complex appears

Question # 18

The total number of rare earth elements is

Question # 19

d-block elements are also called :

Question # 20

Group VI-B of transition elements contains:

Question # 21

Which of the following is a typical transition metal

Question # 22

The geometrical shape of a transition complexion is related to the state of hybridizing of the central atom. What is trigonal bipyramidal

Question # 23

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

Question # 24

Out of 110 known elements, transition elements are

Question # 25

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

Question # 26

Which is used to identify Cu2+ions

Question # 27

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

Question # 28

Which of the following is obtained when Fe reacts with dil. HNO3?

Question # 29

Property of transition element is :

Question # 30

Potassium chromate has formula

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 Potassium chromate has formula
A. KClO3
B. K2CO3
C. K2CrO4
D. K2Cr2O7
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 Besides Zn and Cu , German silver contains the metal
A. Sn
B. Ag
C. Ni
D. Mg
4 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
A. Pt(NH3)6CI4
B. Pt(NH3)5CI4
C. Pt(NH3)4CI4
D. Pt(NH3)3CI4
5 The iron obtained from blast furnace is
A. Pig iron
B. Wrought ion
C. Soft ion
D. Steel
6 Fe+3and Mn2+are strong paramagnetic because the number of unpaired electrons in each is
A. 4
B. 5
C. 6
D. 7
7 Which one of the following metal ions is colourless?
A. V2+
B. Cr3+
C. Zn2+
D. Ti3+
8 The total number of transition elements is
A. 10
B. 14
C. 40
D. 50
9 Which of the following metal exhibits more than one oxidation?
A. Na
B. Mg
C. Fe
D. Al
10 Titanium is used as a catalyst in
A. Hydrogenation
B. Dehydrogenation
C. Polymerization of P.E.
D. Oxidation of ammonia

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