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

CuSO4. 5H2O is used to prepare

Question # 2

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

Question # 3

The iron obtained from blast furnace is

Question # 4

Which is the correct electronic configuration of Cr - 24

Question # 5

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

Question # 6

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

Question # 7

Mercury is the only metal which is liquid at 0°C. this is due to its

Question # 8

Which of the following compounds gives red precipitate with AgNO3?

Question # 9

During oxidation in k2Cr2O7, Cr VI changes to :

Question # 10

Turnbull's blue is a compound called?

Question # 11

Which element does not belong to 3d transition series

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

Among the lanthandes the one obtained by synthetic method is

Question # 14

Which element does not belong to 4d series

Question # 15

High purity copper metal is obtained by

Question # 16

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

Question # 17

Solubility of KMnO4 at higher temperature is:

Question # 18

Content of carbon in steel is:

Question # 19

Titanium is used as a catalyst in

Question # 20

Most transition elements show

Question # 21

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

Question # 22

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

Question # 23

Which of the following is a typical transition metal?

Question # 24

f-block elements are called :

Question # 25

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

Question # 26

Which of the following is a transition element

Question # 27

What is the name of the comlex [Ni(CO)4]

Question # 28

Most common oxidation states shownby cerium are

Question # 29

Electronic configuration of Cu+2is

Question # 30

Oxalic acid oxidizes to:

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 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+
2 Which is in differnet phase form other metals
A. Ni
B. Hg
C. Cd
D. Na
3 Series starting form 39Y to 48CD is in period:
A. 4th
B. 5th
C. 6th
D. 7th
4 Electronic configuration of Cu+2is
A. 4S2, 3d9
B. 4s-1, 3d10
C. 4S0, 3d9
D. None of these
5 Most common oxidation states shownby cerium are
A. +2, +4
B. +3, +4
C. +3, +5
D. +2, +3
6 The color of Cr3+ion is
A. Violet
B. Blue
C. Pink
D. Green
7 Iron, once dipped in concentrated H2SO4, does not displace copper from copper sulphates solution, because
A. It less reactive than copper
B. A layer of sulphates is deposited on it
C. An inert layer of iron oxide is deposited on it
D. All valence electrons of iron are consumed
8 AgCl is soluble is
A. Aqua regia
B. H2SO4
C. HCl
D. NH3
9 Potassium chromate has formula
A. KClO3
B. K2CO3
C. K2CrO4
D. K2Cr2O7
10 Maximum variable oxidation state is of:
A. Mn+2
B. Fe+3
C. Cr+1
D. a and b

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