MDCAT CHEMISTRY FLP-22 (SMART INSTITUTE)

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MDCAT Chemistry Challenge

Test your knowledge and understanding of chemistry through our engaging MDCAT Chemistry quiz. Designed specifically for students preparing for the MDCAT, this quiz covers a wide range of chemistry topics including transition elements, state functions, isomerism, and much more.

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54 Questions14 MinutesCreated by ExploringTheory47

69-M.P and B.P of transition elements is higher due to

Higher binding energies

Strong metallic bond

Hardness

All of these

70-A state function depends upon the ...... ?

Initial condition of the system

Final condition of the system

Path of the system

Both initial and final condition of the system

71-Crystallites are apart of

Ores

Crystallline solids

Amorphous solids

None of these

72-Conversion of electrical energy into chemical energy is

Mechanical energy

Electrochemical energy

Electrochemistry

Chemical energy

73-The intermolecular forces are very weak in

Solids

Liquids

Gases

All of these

74-The compounds which are formed by the placement of the replacement of a hydrogen atom by a halogen is called as

Alcohol

Alkyl halide

Carbonyl halide

Ethers

75-The transfer of electron from an atom of ...... I.E to other atom with ........ I.E is called ionic bond by Lewis

High, low

Low , low

Low, high

High, high

76-Which of the following reactions are not given by benzene

Elimination

Addition

Sublimation

Dehydration

77-The compounds in which similar groups are present on the same side of double bond are called as ......?

Trans isomers

Positional isomers

Cis-isomers

None of these

78-How much percentage of reactants are converted into products during half-life period

40 percent

50 percent

70 percent

30 percent

79-State function is the .......... Property of a system.

Microscope

Dependent

Macroscopic

Constant

80-Crystalline solids are made up of

Atoms

Molecules

Ions

All of these

81-Liquid si ...... To release the entrapped air in liquid in monoatomic method

Melted

Boiled

Condensed

Freeze

82-Calculate carbide on reaction with water gives

Methane

Ethane

Propane

Acetylene

83-Which of the following isomerism is present in CH3CH2CH2OH and CH30CH3

METAMERISM

CHAIN ISOMERISM

TAUTOMERISM

FUNCTIONAL GROUP ISOMERISM

84-Which type of forces are present between acetone and chloroform

H-bonding

Dipole-dipole forces

London dispersion forces

Debye forces

85-In which of the following reaction is not affected by increasing concentration of nucleophile

SN2

SN1

NONE

86-The alcohols in which the carbon which is attached to the OH group is the further attach with two carbon atoms is called as

Primary alcohol

Secondary

Tertiary alcohol

None of these

87-Who first extracted phenol

Wohler

Runge

Wittig

Wurtz

88-Zero order reactions do not depend upon concentration of

Products

Reactants

Ions

Radicals

89-Molecular ions are produced by-passing high-energy electron beam or X-rays beam through

Atoms

Molecules

Gas

Solid

90-Which of the following is an example of good leaving group

Cl-

-OH

-OR

-NH2

91-Which molar heat has higher del H value

Heat of fusion

Heat of vaporization

Heat of sublimation

Heat of evaporation

92-Electrons can revolve only in those orbits having ........-angular momentum which depends on its ...........numbers

Variable, quantum

Fixed, quantum

Fixed, principle

Variable , principle

93-Maximum H-bonding is found in

HCl

HBr

94-What is the octane number of Iso-octane?

100

95-An element becomes paramagnetic if it has ,...........

Electric field

Paired valence electrons

Magnetic moment

None of these

96-1 amu is equal to ..........

1.666 x 10^-27 kg

1.661 x 10^28 kg

1.66 x 10^27 kg

1.661 x 10^-27

97-Energy is ...... When an electron is added to the isolated gaseous atom

Increased

Released

Decreased

Absorbed

98-The ionic radius appeared to be a/an property

Associative

Multiplicative

Additive

None of these

99-Which of the following shows tautomerism

Amino acids

Ketones

Carboxylic acids

All of these

100-Which of the following derivative of carboxylic acid is used as flavoring agent

Acid halides

Acid carbonyls

Esters

Acid amides

101-The bond formed b/w homonuclear diatomic molecule is ..... In nature

Polar

Non-polar

May be polar or non-polar

Ionic

102-In Peroxides, the Oxidation number of Oxygen is

-1

-2

103-The concept of atoms was given by

Democritus

Berzelius

Bohr

Dalton

104-What is the general trend of melting and boiling point of transition elements along period

Increase from left to right

Decrease from left to right

Increases upto middle than decreases

Decreases upto midddle than increases

105-Howw many classes of enzymes are there according to IUB

106-Tollen's reagent is ammonical solution of

Silver nitrate

Silver acetate

Cupric tartrate

Cupric citrate

107-There are very strong attractive forces due to close packing in

Solids

Liquids

Gases

All

108- 80% of ammonia produced by Haber's process is used in manufacturing

Explosives

Polymers

Fertilizers

All of these

109-Non protein part which is conjugated with protein is called

Coenzyme

Co-factor

Prostate group

None

110-What one is the correct geometry of acetal

Trigonal

Linear

Tetrahedral

Square planer

111-f-Block elements are called

Inner transition

Outer transition

Both

None

112-Which one is not a state function

Internal energy

Enthalpy

Work

None of these

113-Fused Buxite is electrolyzed tp get

Sodium

Magnesium

Aluminum

Iron

114-Which of the following are soluble in water

Small alcohols

Acetone

Small carboxylic acids

Butane

115-Which of the following test can detect presence of both aldehydes and ketones

Tollen's test

Reaction with hydrazine

Reaction with 2,4-dinitrophenylhydrazine

Reaction with ammonia

116-Order of reaction can be determined

Theoretically

Experimentally

Summing up the exponents of rate equation

All of these

117-Diamond is a bad conductor because of

High density

No free electrons

Tight structure

Transparent to light

118-Which of the following has neither secondary nor tertiary hydrogen

Isobutane

Pentane

Neo-pentane

Isopentane

119-Values of Van der Waal's constant 'b' in correct order is

CO2

CO2>SO2>O2>H2

O2>H2>CO2>SO2

120-Flavour of Orange is due to the presence of

Benzyl acetate

Octyl acetate

Amyl butyrate

Ethyl butyrate

121-The order of size of 's' orbital is as follows

.....4s<3s<2s<1s

....4s>3s>2s>1s

Constant

None of these

122-When C-O bond breaks in alcohol, the most reactive is

Primary alcohol>secondary alcohol >tertiary alcohol

Secondary alcohol

Tertiary alcohol

Methanol

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