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

German silver does not contain

Question # 3

Which is used to identify Cu2+ions

Question # 4

Sodium thisoulophate is used in photography because of its

Question # 5

Which is not a bidentate ligand

Question # 6

Cuprous ore among the following is

Question # 7

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

Question # 8

The number of unpaired electrons in Mn2+is

Question # 9

Titanium is used as a catalyst in

Question # 10

Which period starts from 11Sc to 30Zn ?

Question # 11

Potassium hexacyanoferrate (II) has the formula

Question # 12

The formula of curprite is

Question # 13

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

Question # 14

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

Question # 15

Interstitial compounds have

Question # 16

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

Question # 17

Stainless steel contains Cr upto

Question # 18

Bronze is an alloy of Cu and

Question # 19

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

Question # 20

Which of the following is a typical transition metal

Question # 21

Which of the following compounds gives red precipitate with AgNO3?

Question # 22

Which of the following is a carbonate are?

Question # 23

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

Question # 24

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 # 25

Maximum variable oxidation state is of:

Question # 26

Which of the following is a not typical transition element

Question # 27

Besides Zn and Cu , German silver contains the metal

Question # 28

Turnbull's blue is a compound called?

Question # 29

Most transition elements show

Question # 30

Which element has 4 unpaired electrons in 3d-orbital

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 Oxalic acid oxidizes to:
A. CO
B. CO2
C. Oxalates
D. None of these
2 The free spaces between the metal atoms and its crystal lattice are called
A. Valance spaces
B. Empty spaces
C. Interstices
D. None
3 Rusting can be avoided by :
A. Making alloys
B. Tin or Zinc plating
C. Use of enamel
D. All of these
4 E.D.T.A is
A. Mono-dentate
B. Bi-dentate
C. Polydentate
D. Having three lone pairs of electrons
5 Which of the following is a typical transition metal
A. Sc
B. Y
C. Ra
D. Co
6 The oxidation state of Fe in [Fe(CN)6]3-is
A. +2
B. +3
C. +4
D. -3
7 Series starting from57La,42Hf -80Hg is in the period:
A. 4th
B. 5th
C. 6th
D. 7th
8 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
9 Which of the following element is responsible for oxidation of water to O2in biological process?
A. Fe
B. Mn
C. Cu
D. Mo
10 The colour of transition metal complexes is due to:
A. d-d transitions of electorns
B. Paramagnetic nature of transition
C. Ionization
D. Loss of s-electrons

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