MP PET Chemistry 2007

Total Questions:50 Total Time: 90 Min

Remaining:

 

Questions 1 of 50

Question:If the electronegativities of Cs and Florine are 0.7 and 4 respectively, then which type of bond will be formed.

Answers Choices:

Ionic

Covalent

Coordinate bond

Hydrogen.

Questions 2 of 50

Question:Which of the following ion has 5 unpaired electrons-

Answers Choices:

\(F{e^{ + 3}}\)

\(C{r^{ + 2}}\)

\(N{i^{ + 2}}\)

\(Z{n^{ + 2}}\)

Questions 3 of 50

Question:Orlon is obtained by the polymerization of-

Answers Choices:

Vinyl cyanide

Vinyl chloride

Vinyl acetate

Butadiene.

Questions 4 of 50

Question:Urea + formaldehyde is-

Answers Choices:

Plastic

Resin

Rubber

Gum.

Questions 5 of 50

Question:Formaline is-

Answers Choices:

40% formaldehyde

40% acetaldehyde

50% formaldehyde

50% Acetone.

Questions 6 of 50

Question:Which of the following is not the functional isomer of mono carboxylic acid-

Answers Choices:

Amide

Ester

Hydroxy aldehyde

Hydroxy ketone.

Questions 7 of 50

Question:Which one of the following will give a white precipitate with \({\rm{AgN}}{{\rm{O}}_{\rm{3}}}\) in aq. medium?

Answers Choices:

\(\left[ {{\rm{Co }}{{\left( {{\rm{NH3}}} \right)}_{\rm{5}}}{\rm{Cl}}} \right]{\rm{ }}{\left({{\rm{N}}{{\rm{O}}_{\rm{2}}}} \right)_{\rm{2}}}\)

\(\left[ {{\rm{Pt }}{{\left( {{\rm{N}}{{\rm{H}}_{\rm{3}}}} \right)}_{\rm{2}}}} \right]{\rm{C}}{{\rm{l}}_{\rm{2}}}\)

\(\left[ {{\rm{Pt }}\left( {{\rm{en}}} \right){\rm{C}}{{\rm{l}}_{\rm{2}}}} \right]\)

\(\left[ {{\rm{Pt }}{{\left( {{\rm{N}}{{\rm{H}}_{\rm{3}}}} \right)}_{\rm{4}}}} \right]{\rm{ C}}{{\rm{l}}_{\rm{2}}}\)

Questions 8 of 50

Question:Which isomerism is not shown by \({{\rm{C}}_{\rm{4}}}{{\rm{H}}_{{\rm{1}}0}}{\rm{O}}\).

Answers Choices:

Chain isomerism

Positional isomerism

Functional isomerism

Geometrical isomer

Questions 9 of 50

Question:Number of f-block elements are-

Answers Choices:

28

14

10

5

Questions 10 of 50

Question:Lucas reagent is-

Answers Choices:

anhyd. \({\rm{ZnC}}{{\rm{l}}_{\rm{2}}} + {\rm{ Conc}}.{\rm{ HCl}}\)

anhyd. \({\rm{AlC}}{{\rm{l}}_{\rm{3}}} + {\rm{ Conc}}.{\rm{ HCI}}\)

anhyd. \({\rm{CuS}}{{\rm{O}}_{\rm{4}}}\)

\({\rm{CuS}}{{\rm{O}}_{\rm{4}}} + {\rm{ NaOH }} + {\rm{ }}{{\rm{H}}_{\rm{2}}}{{\rm{O}}_{\rm{2}}}\)

Questions 11 of 50

Question:Which of the following is a insecticide-

Answers Choices:

\({\rm{CHC}}{{\rm{l}}_{\rm{3}}}\)

DDT

\({\rm{C}}{{\rm{F}}_{\rm{3}}}-{\rm{C}}{{\rm{F}}_{\rm{3}}}\)

\({\rm{CH}}{{\rm{l}}_{\rm{3}}}\)

Questions 12 of 50

Question:Calcium carbide on hydrolysis gives-

Answers Choices:

Ethane

Ethylene

Acetylene

Methane

Questions 13 of 50

Question:Iodoform is used as-

Answers Choices:

Anaesthasia

Antiseptic

Analgesic

Insecticide.

Questions 14 of 50

Question:Number of particles in a F.C.C. crystal will be-

Answers Choices:

1

2

3

4

Questions 15 of 50

Question:If 0.5 mole of a substance are dissolved in 500 gram of water then the concentration of the solution will be-

Answers Choices:

1 mol/kg

2 mol/kg

1 mol/litre

2 mol/litre.

Questions 16 of 50

Question:Coordination number of a NaCl crystal will be-

Answers Choices:

\({\rm{8:8}}\)

\({\rm{6:6}}\)

\({\rm{4:4}}\)

\({\rm{2:2}}\)

Questions 17 of 50

Question:According to Rault's law-

Answers Choices:

Relative lowering in vapour pressure is equal to the mole fraction of solute.

Relative lowering in vapour pressure is equal to the mole fraction of solvent.

Relative lowering in vapour pressure is equal to the number of molecules of solute.

Relative lowering in vapour pressure is equivalent to the mass of solute.

Questions 18 of 50

Question:Third line of Balmer series is obtained when electron trasition takes place from-

Answers Choices:

\(6 \to 2\)

\(5 \to 2\)

\(3 \to 2\)

\(4 \to 2\)

Questions 19 of 50

Question:In the formation of methane molecule, carbon makes use of-

Answers Choices:

sp hybridised orbitals

\({\rm{s}}{{\rm{p}}^{\rm{2}}}\) hybridised orbitals

\({\rm{s}}{{\rm{p}}^{\rm{3}}}\) hybridised orbitals

Unhybridised orbitals.

Questions 20 of 50

Question:Which of the following is a carbonate ore-

Answers Choices:

Argentite

Cinebar

Calamine

Haemetite.

Questions 21 of 50

Question:In transition elements on going from left to right atomic radii-

Answers Choices:

First decreases and then it increases.

First increases and then it decreases.

Only decreases

Only increases.

Questions 22 of 50

Question:Red lead is-

Answers Choices:

PbO

\({\rm{Pb}}{{\rm{O}}_{\rm{2}}}\)

\({\rm{P}}{{\rm{b}}_{\rm{3}}}{{\rm{O}}_{\rm{4}}}\)

\({\rm{P}}{{\rm{b}}_{\rm{2}}}{{\rm{O}}_{\rm{3}}}\)

Questions 23 of 50

Question:Alkaline earth metals are-

Answers Choices:

Li,Be,K,Mg,Ca

Be,Mg,Ca,Sr,Ba

Be,K,Mg,Ca,Sr

Be,Mg,Ca,K,Rb.

Questions 24 of 50

Question:Which of the following methods is used for the concentration of copper pyrite?

Answers Choices:

Froth flotation method

Gravitational method

Electrical magnetic method

All of these.

Questions 25 of 50

Question:Due to which property metals differ from non-metals.

Answers Choices:

Metallic oxides are basic while non metallic oxides are acidic.

Metals are highly electropositive while non metals are highly electro negative.

Both a and b

a, b are wrong.

Questions 26 of 50

Question:First step in the extraction of metal is-

Answers Choices:

concentration

calcination

smelting

purification

Questions 27 of 50

Question:Which of the following equation is correct ?

Answers Choices:

\(\Delta {\rm{G }} = {\rm{ }} - {\rm{nFE}}^\circ \)

\(\Delta {\rm{G }} = {\rm{ }} - {\rm{R lo}}{{\rm{g}}_{\rm{e}}}{\rm{K}}\)

\(\Delta {\rm{G }} = \Delta {\rm{H }} - {\rm{T}}\Delta {\rm{S}}\)

All of the above.

Questions 28 of 50

Question:Unit of velocity constant for zero order reaction is-

Answers Choices:

mole/litre

mole/litre x sec

mole x litre

\({\rm{mol}}{{\rm{e}}^{\rm{2}}}{\rm{  x   litr}}{{\rm{e}}^{\rm{2}}}\)

Questions 29 of 50

Question:In the reaction- \({S_2}{O_8}^{ - 2} + 2{I^ - } \to S{O_4}^{ - 2} + {I_2}\)

Answers Choices:

Oxidation of iodide into iodine takes place

Reduction of iodine into iodide

Both oxidation and reduction of idoine takes place

None of these.

Questions 30 of 50

Question:Order of electronegativity of fluorine, oxygen and nitrogen is-

Answers Choices:

F > O > N

O > F > N

N > O > F

None of these.

Questions 31 of 50

Question:Which statement is correct-

Answers Choices:

First ionization potential of II A element is higher than I A and III A elements.

Second ionization potential of II A elements is less than I A and III A elements.

Both a and b are correct

None of the above.

Questions 32 of 50

Question:Ice and water are at equilibrium because-

Answers Choices:

\(\Delta \)H = T \(\Delta \)S

\(\Delta \)G = 0

\(\Delta \)S = 0

All of the above.

Questions 33 of 50

Question:For the given equation which of the following option is correct ?

\({H_{{2_{(g)}}}} + C{l_{{2_{(g)}}}} \to 2HC{l_{(g)}} - {X_1}\),

\({H_{{2_{(g)}}}} + C{l_{{2_{(g)}}}} \to 2HC{l_{(l)}} + {X_2}\)

Answers Choices:

\({X_1} < {X_2}\)

\({X_1} < < {X_2}\)

\({X_1} = {X_2}\)

None of these.

Questions 34 of 50

Question:At constant volume, the correct relation for heat is-

Answers Choices:

dQ = dE

dQ = dH

dQ = 0

dE = 0.

Questions 35 of 50

Question:Hydrolysis of which of the following salt does not take place.

Answers Choices:

\(NaCl\)

\(KCl\)

\(a\,\,\,and\,\,b\)

\({\rm{N}}{{\rm{a}}_{\rm{2}}}{\rm{S}}\)

Questions 36 of 50

Question:Which of the following statement is correct ?

Answers Choices:

Electronegativity of fluorine is higher than chlorine.

Electronegativity of chlorine is higher than fluorine.

Electronegativities of chlorine and fluorine are equal.

All are correct.

Questions 37 of 50

Question:For which of the following combinations AgCl will get precipitated- (if \({{\rm{k}}_{\rm{p}}} = {\rm{ 1}}.{\rm{8 x 1}}{0^{ - {\rm{16}}}}\))

Answers Choices:

\({\rm{A}}{{\rm{g}}^ + }{\rm{ }} = {\rm{ 1}}{0^{{\rm{ - 2}}}}{\rm{M }}\& {\rm{ C}}{{\rm{l}}^{\rm{ - }}}{\rm{ }} = {\rm{ 1}}{0^{{\rm{ - 2}}}}{\rm{M}}\)

\({\rm{A}}{{\rm{g}}^ + }{\rm{ }} = {\rm{ 1}}{0^{{\rm{ - 10}}}}{\rm{M }}\& {\rm{ C}}{{\rm{l}}^{\rm{ - }}}{\rm{ }} = {\rm{ 1}}{0^{{\rm{ - 10}}}}{\rm{M}}\)

\({\rm{A}}{{\rm{g}}^ + }{\rm{ }} = {\rm{ 1}}{0^{{\rm{ - 5}}}}{\rm{M }}\& {\rm{ C}}{{\rm{l}}^{\rm{ - }}}{\rm{ }} = {\rm{ 1}}{0^{{\rm{ - 15}}}}{\rm{M}}\)

None of these

Questions 38 of 50

Question:Which of the following particle is effective for a nuclear reaction-

Answers Choices:

Neutron

Proton

Deutron

\(\alpha \) -particle.

Questions 39 of 50

Question:Half life period of 6 gram of a radioactive substance is 6 hours. If its quantity is reduced to 1.5 grams then the half life period will be-

Answers Choices:

2

4

6

8

Questions 40 of 50

Question:Sodium metal is extracted by-

Answers Choices:

Electrolysis of aqueous solution of sodium Chloride.

Electrolysis of fused sodium chloride.

Heating sodium oxide with carbon.

Heating sodium oxide with hydrogen.

Questions 41 of 50

Question:The important oxide ore of iron is-

Answers Choices:

Sidehte

Haematite

Pyrites

Bauxite.

Questions 42 of 50

Question:The electronic configuration in the outermost shell of halogens is-

Answers Choices:

\({{\rm{s}}^{\rm{2}}}{{\rm{p}}^{\rm{4}}}\)

\({{\rm{s}}^{\rm{2}}}{{\rm{p}}^5}\)

\({{\rm{s}}^{\rm{2}}}{{\rm{p}}^3}\)

\({{\rm{s}}^{\rm{2}}}{{\rm{p}}^6}\)

Questions 43 of 50

Question:Elemente which generally exhibit multiple oxidation states and whose ions are usually coloured are-

Answers Choices:

metalloids

non-metals

transition elements

gases.

Questions 44 of 50

Question:Mark the oxide which is amphoteric in character-

Answers Choices:

\({\rm{C}}{{\rm{O}}_{\rm{2}}}\)

\({\rm{Si}}{O_{\rm{2}}}\)

\({\rm{Sn}}{O_{\rm{2}}}\)

CaO

Questions 45 of 50

Question:Gasoline is obtained from Crude Petroleum Oil by its-

Answers Choices:

fractional distillation

vacuum distillation

steam distillation

pyrolysis.

Questions 46 of 50

Question:For Phenol, which of the following statements is correct?

Answers Choices:

It is insoluble in water.

It has lower melting point compared to aromatic hydrocar­bons of comparable molecular weight.

It has higher boiling point than toluene.

It does not show acidic property.

Questions 47 of 50

Question:Ethane is formed by the reaction of methyl iodide and sodium metal in dry ether solution. This reaction is known as-

Answers Choices:

Clemensen reduction

Kolbe's reaction

Wurtz reaction

Cannizzaro's reaction.

Questions 48 of 50

Question:Which of the following reacts with phenol to give salicylaldehy after hydrolysis?

Answers Choices:

Dichloro methane

Trichloro methane

Methyl chloride

None of these

Questions 49 of 50

Question:On heating glucose with Fehling's solution, a precipitate is obtained whose colour is-

Answers Choices:

Yellow

Red

Black

White

Questions 50 of 50

Question:Which one of the following metals exhibits more than one orixdation states:

Answers Choices:

Na

Mg

Fe

Al