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 element has 4 unpaired electrons in 3d-orbital

Question # 2

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

Question # 3

Corrosion of iron can be prevented by coating the surface with

Question # 4

Rusting of iron is catalysed by

Question # 5

Which has the largest radius?

Question # 6

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

Question # 7

Non-formation of menisus by Hg in presence of O3is due to the formation of

Question # 8

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

Question # 9

In an ooctahedral crystal field splitting, the number of orbitals pushed down in energy is

Question # 10

A transition metal complex can be recognized by various terms. Which is not the proper term

Question # 11

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

Question # 12

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

Question # 13

The Mn3+has ______ color

Question # 14

Cuprous ore among the following is

Question # 15

Stainless steel contains ion and carbon along with

Question # 16

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

Question # 17

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

Question # 18

Which of the following d-block elements can show the highest oxidation number in its compounds

Question # 19

Which of the following is used as disinfectant

Question # 20

Which of the following is not correct about transition metals?

Question # 21

5-d series is in the period :

Question # 22

Transition elements are called so because:

Question # 23

Which of the following is a carbonate are?

Question # 24

Which of the following is a non-typical transition elements

Question # 25

Bessemer converter is used in the manufacture of

Question # 26

During oxidation in k2Cr2O7, Cr VI changes to :

Question # 27

Across the lanthanide series, the basicity of the lanthanide hydroxides

Question # 28

Transition metals form complexes due to the participation of partially filled

Question # 29

Turnbull's blue is a compound called?

Question # 30

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

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 Which of the following is a carbonate are?
A. Pyrolusite
B. Malchite
C. Diaspore
D. cassiterite
2 Steel may be manufacture by two processes which two are correct
A. Open hearth process and besemer process
B. Open hearth process and Haber process
C. Bassemer process and Haber process
D. Contact process and Haber process
3 The total number of transition elements is
A. 10
B. 14
C. 40
D. 50
4 Which of the following acts as ligand
A. NH3
B. NH2-- CH2-- CH2-- NH2
C. C2O2-4
D. All these
5 Oxalic acid oxidizes to:
A. CO
B. CO2
C. Oxalates
D. None of these
6 The total number of transition elements is:
A. 10
B. 14
C. 40
D. 50
7 Transition metals form complexes due to the participation of partially filled
A. f-orbitals
B. d-orbitals
C. s-orbitals
D. p-orbitals
8 The formula of curprite is
A. Cu2S
B. Cus
C. Cu2O
D. CuCO3
9 Addition of iron fillings to CuSO4solution caused precipitation of Cu owing to the
A. Reduction of Cu2+
B. Oxidation of Cu2+
C. Reduction of Fe
D. Reduction of Fe3+
10 CuSO4. 5H2O is used to prepare
A. Transition complex
B. Fehling's 'A' sol
C. Fehling's 'B' sol
D. Fehling's sol

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