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

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

Question # 2

Content of carbon in steel is:

Question # 3

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

Question # 4

Which is not a bidentate ligand

Question # 5

Which is the correct electronic configuration of Cr - 24

Question # 6

Which is used to identify Cu2+ions

Question # 7

Cu2+with d9electronic configuration appears

Question # 8

Coordination number of Pt in [PtCI(NO2) (NH3)4]2+is

Question # 9

Which of the following is not related to transition metals

Question # 10

Potassium chromate has formula

Question # 11

The coordination number of iron in [Fe(H2O)6]3+is

Question # 12

Transition elements are called so because:

Question # 13

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

Question # 14

Which of the following is used as disinfectant

Question # 15

Corrosion may be prevented by

Question # 16

The compound which gives oxygen on moderate heating is

Question # 17

Choose the correct answer of transition elements?

Question # 18

The total number of transition elements is

Question # 19

Which of the following is a carbonate are?

Question # 20

An oxidixing agent

Question # 21

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

Question # 22

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

Question # 23

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

Question # 24

Which of the following acts as ligand

Question # 25

Which of the following elements does not show variable oxidation states?

Question # 26

Transition elements form which type of bond

Question # 27

Across the lanthanide series, the basicity of the lanthanide hydroxides

Question # 28

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

Question # 29

The colour of transition metal complexes is due to

Question # 30

The amount of Ni in stainless steel is

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 Which period starts from 11Sc to 30Zn ?
A. First Period
B. Second Period
C. Third Period
D. 4th Period
2 The number of unpaired electrons in Fe3+(Z = 26) are
A. 5
B. 6
C. 3
D. 4
3 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
4 Group VI-B of transition elements contains:
A. Zn, Cd, Hg
B. Fe ,Ru ,Os
C. Cr, Mo ,W
D. Mn, Te, Re
5 In the electronic configuration of Cr one electron from 4s sub-shell is transfered to 3d sub-shell because
A. The 3rd orbital is of lower energy than 4s
B. The 4s orbital is of equal energy to 3d orbital
C. The half filled d-subshell is more stable than incomplete d-sub shell
D. 6 unpaired electrons make Cr more paramagnetic
6 The oxidation state of Fe in [Fe(CN)6]3-is
A. +2
B. +3
C. +4
D. -3
7 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
8 Which element has 4 unpaired electrons in 3d-orbital
A. Chromium - 24
B. Manganese - 25
C. Iron - 26
D. Cobalt - 27
9 The color of Cr3+ion is
A. Violet
B. Blue
C. Pink
D. Green
10 Transition metals mostly are
A. Diamagnetic
B. Paramagnetic
C. Neither diamagnetic nor paramagnetic
D. Both diamagnetic and paramagnetic

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