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

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

Question # 2

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

Question # 3

Which of the following compounds gives red precipitate with AgNO3?

Question # 4

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

Question # 5

Rusting of iron is catalysed by

Question # 6

Which is non typical transition element :

Question # 7

The colour of transition metal complexes is due to

Question # 8

Group VIB of transition elements contains

Question # 9

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

Question # 10

Bronze is an alloy which contains

Question # 11

Interstitial compounds have

Question # 12

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 # 13

Which is the formula of tetra-ammine chloronitro platinum (VI) sulphate?

Question # 14

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

Question # 15

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

Question # 16

[Zn(NH3)4]3+possess geometry

Question # 17

Oxalic acid oxidizes to:

Question # 18

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

Question # 19

CuSO4. 5H2O is used to prepare

Question # 20

Content of carbon in steel is:

Question # 21

Which one of the following metal ions is colourless?

Question # 22

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

Question # 23

The oxidation number of Ni in [Ni(CO)4] is

Question # 24

During oxidation in k2Cr2O7, Cr VI changes to :

Question # 25

Which metal is used for catalytic hydrogenation of oils

Question # 26

The total number of rare earth elements is

Question # 27

The less reactivity of transition metal is due to

Question # 28

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

Question # 29

Potassium chromate has formula

Question # 30

The geometry of [Co(NH3)6]3+is

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 The colour of transition metal complexes is due to
A. d-d transitions of electrons
B. Para magnetic nature of transition elements
C. Ionization
D. Loss of s-electrons
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 is obtained when Fe reacts with dil. HNO3?
A. N2O
B. NO
C. NO2
D. None of these
4 German silver does not contain
A. Cu
B. Zn
C. Ni
D. Mn
5 Sodium thisoulophate is used in photography because of its
A. Oxidizing behaviour
B. Reducing behaviour
C. Complexing behaviour
D. Photochemical behaviour
6 The color of Cr3+ion is
A. Violet
B. Blue
C. Pink
D. Green
7 The total number of transition elements is
A. 10
B. 14
C. 40
D. 50
8 Series starting from57La,42Hf -80Hg is in the period:
A. 4th
B. 5th
C. 6th
D. 7th
9 The total number of rare earth elements is
A. 8
B. 32
C. 14
D. 10
10 During oxidation in k2Cr2O7, Cr VI changes to :
A. I
B. II
C. III
D. IV

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