ECAT Pre Engineering Chemistry Chapter 17 MCQ Test With Answer

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.#	Question	Answer
1	Which metal is used for catalytic hydrogenation of oils	A. Cu B. Pt C. Ni D. Pd
2	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⁺
3	Which is the formula of tetra-ammine chloronitro platinum (VI) sulphate?	A. [Pt(NH₃)₄(NO₂)]SO₄ B. [PtNO₂Cl(NH₃)₄]SO₄ C. [PtCl(NO₂)(NH₃)₄]SO₄ D. [Pt(NH₃)₄(NO₂)Cl]SO₄
4	Choose the correct answer of transition elements?	A. Transition elements have low melting points B. Transition elements do not have catalytic activity C. Transition elements exhibit variable oxidation states D. Transition elements exhibit inert pair effect
5	Group VIB of transition elements contains	A. Zn, Cd, Hg B. Fe, Ru, Os C. Cr, Mo, W D. Mn, Te, Re
6	Which of the following acts as ligand	A. NH₃ B. NH₂-- CH₂-- CH₂-- NH₂ C. C₂O^2-₄ D. All these
7	Which element belong to 5d series	A. V B. Nb C. Pd D. Hf
8	Which of the following metal exhibits more than one oxidation?	A. Na B. Mg C. Fe D. Al
9	CuSO₄. 5H₂O is used to prepare	A. Transition complex B. Fehling's 'A' sol C. Fehling's 'B' sol D. Fehling's sol
10	Coordination number of Pt in [PtCI(NO₂) (NH₃)₄]²⁺is	A. 2- B. 4 C. 1 D. 6

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ECAT Pre Engineering Chemistry Chapter 17 MCQ Test With Answer

MCQ's Test For ECAT Chemistry Chapter 17 Transition Elements

ECAT Chemistry Chapter 17 Transition Elements

Which of the following is a carbonate are?

Corrosion may be prevented by

[Co(NH3)6]3+will form ______ structure

Elements in which f-orbitals are in the process of completion are called

An element in +3 oxidation state has the electronic configuration (Ar) 3d3. Its atomic number is

Interstitial compounds have

Which period starts from 11Sc to 30Zn ?

Corrosion of iron can be prevented by coating the surface with

The total number of transition elements is:

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

Group VI-B of transition elements contains:

The total number of transition elements is

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

Which is used to identify Cu2+ions

The colour of a transition metal complex is due to d-d transition The colour of the complex is the complementary of the colour absorbed. Thus [Ti(H2O6]3+abosrbs yellow light and transmits blue and red colours therefore the solution of titanium complex appears

E.D.T.A is

Which has the largest radius?

Solubility of KMnO4 at higher temperature is:

A transition element is defined as an element of 3d series

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

The number of unpaired electrons in Fe3+(Z = 26) are

f-Block elements are also called

The free spaces between the metal atoms and its crystal lattice are called

Bronze is an alloy of Cu and

Titanium is used as a catalyst in

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

Sodium thisoulophate is used in photography because of its

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

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

The total number of rare earth elements is

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ECAT Chemistry Chapter 17 Important MCQ's

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[Co(NH₃)₆]³⁺will form ______ structure

An element in +3 oxidation state has the electronic configuration (Ar) 3d³. Its atomic number is

Which period starts from ₁₁Sc to ₃₀Zn ?

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

Which is used to identify Cu²⁺ions

The colour of a transition metal complex is due to d-d transition The colour of the complex is the complementary of the colour absorbed. Thus [Ti(H₂O₆]³⁺abosrbs yellow light and transmits blue and red colours therefore the solution of titanium complex appears

Solubility of KMnO₄at higher temperature is:

The number of unpaired electrons in Fe³⁺(Z = 26) are

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