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

Question # 2

In physical and chemical properties, transition elements show

Question # 3

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

Question # 4

Which of the following metal exhibits more than one oxidation?

Question # 5

Steel may be manufacture by two processes which two are correct

Question # 6

Which of the following is a typical transition metal?

Question # 7

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

Question # 8

In the extraction of iron, slag is produced which is

Question # 9

The Mn3+has ______ color

Question # 10

Sodium thisoulophate is used in photography because of its

Question # 11

Which is used to identify Cu2+ions

Question # 12

The colour of transition metal complexes is due to:

Question # 13

Which has the largest radius?

Question # 14

5-d series is in the period :

Question # 15

Potassium chromate has formula

Question # 16

Coordination number of Pt in [PtCl (NO2) (NH3)4]2-

Question # 17

The formula of curprite is

Question # 18

Which of the following is not an element?

Question # 19

Across the lanthanide series, the basicity of the lanthanide hydroxides

Question # 20

AgCl is soluble is

Question # 21

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

Question # 22

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

Question # 23

Which of the following element is responsible for oxidation of water to O2in biological process?

Question # 24

In the manufacture of iron from haematitie,limestone is added to act as

Question # 25

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

Question # 26

Solubility of KMnO4 at higher temperature is:

Question # 27

Which metal is used for catalytic hydrogenation of oils

Question # 28

4-d series is in the period:

Question # 29

Which of the following is a typical transition metal

Question # 30

Electronic configuration of Cu+2is

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 Bell metal is an alloy of
A. Cu, Zn, and Sn
B. Cu, Zn and Ni
C. Cu and Zn
D. Cu and Sn
2 Electronic configuration of Cu+2is
A. 4S2, 3d9
B. 4s-1, 3d10
C. 4S0, 3d9
D. None of these
3 Non-formation of menisus by Hg in presence of O3is due to the formation of
A. Mercuric oxide
B. Mercurous oxide
C. Mercuric chloride
D. Mercurous chloride
4 Sodium thisoulophate is used in photography because of its
A. Oxidizing behaviour
B. Reducing behaviour
C. Complexing behaviour
D. Photochemical behaviour
5 In the manufacture of iron from haematitie,limestone is added to act as
A. Flux
B. A reducing agent
C. Slag
D. An oxidizing agent
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 of the following transition metal ions will have definite value of magnetic moment?
A. Se3+
B. Ti3+
C. Cu+
D. Zn2+
8 In physical and chemical properties, transition elements show
A. Similarities
B. Dissimilarities
C. Both of these
D. Somestimes similarities, sometimes dissimilarities
9 Which one of the following metal ions is colourless?
A. V2+
B. Cr3+
C. Zn2+
D. Ti3+
10 Which of the following is not correct about transition metals?
A. Their melting and boiling points are high
B. Their compounds are generally coloured
C. They can form ionic or covalent compounds
D. They do not exhibit variable valency

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