MDCAT CHEMISTRY FLP-21 (SMART INSTITUTE)

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MDCAT Chemistry Quiz

Test your knowledge of Chemistry with this engaging MDCAT Chemistry quiz! Designed for students preparing for medical college admission, this quiz covers a wide range of topics including organic chemistry, inorganic chemistry, and physical chemistry.

Key features of the quiz include:

Multiple choice questions
Diverse topics
Designed for MDCAT preparation

54 Questions14 MinutesCreated by ExploringAtom542

69-In secondary alkyl halides, how many H atoms are attached to carbon atom which is attached with halogen?

70-Formation of Hydrogen molecule according to

1s orbital

2s orbital

2p orbital

2px orbital

71-Which one is radioactive?

72-Le-Chatelier Principle is about

Reaction mixture

Reactants

Equilibrium mixture

Products

73-Arrangement of atoms in molecular solids can be studied with the help of

Gamma rays

X-rays

Spectrometry

Electron microscope

74-Conjugate base of a weak acid is

Weak

Strong

Unstable

None of these

75-What is the coordination number of Pt in [PtCl(NO2)(NH3)4]

76-When an electron remains between orbit, its momentum is

Dequantized

Quantized

Emitted

Changes always

77-In Balance redox equation the first thing is to

Balance out all the reactants

Write the skeleton equation

Calculate the oxidation number

Identify the elements

78-WOF gives primary alcohol with Grignard reagent?

Acetaldehyde

Epoxide

Acetone

Carbon dioxide

79-WOF is incorrect for XeO4?

Four p(pi)-d(pi) bonds are present

Four sp3 -p sigma bonds are present

It has a tetrahedral shape

It has a square planar shape

80-How many products of mono-substituted benzene are possible?

Two

One

Three

None of these

81-The density of liquids are ..........than gases but..........to solids.

Lesser, closer

Greater, closer

Smaller, greater

Lesser, greater

82-Aldehydes can be oxidized by.....?

K2Cr2O7

HNO3

Tollen's reagent

All of these

83-Carboxylic acid reduction to alcohol can be achieved by using

H2/Ni

Pd/C

NaBH4

LiAlH4

84-Phenol is stronger acid than

Carboxylic acids

Water

Acetic acid

None of these

85-During SN2 mechanism, nucleophile can attack on the halogen carbon?

From opposite side of leaving group

From front of leaving group

From both sides

None of these

86-In addition of sodium bisulphite to carbonyl system, WOF is nucleophile?

Sulphide ion

Sulfite ion

Hydride ion

Sodium ion

87-What is the range of Azimuthal Quantum number(l)

To n

To s

To n-1

S-1

88-Alkyl halide react with Sodium lead alloy, WOF is correct formula of tetramethyl lead?

(C2H5)4Pb

(CH3)4Pb

(CH4)4Pb

(CH3)4Pd

89-The activation energy for forward and reverse reaction can be lowered by

Lowering temperature

Decreasing

Catalyst

All of these

90-If we are given with the mass of a substance , we can calculate ...... Of other substance with the help of a balanced chemical equation.

Mass

Volume

Moles

All of these

91-Greater the mass of gas taken, greater will be slope of straight line. Because greater the ....... Greater will be volume occupied.

Pressure

Temperature

No of moles

All of these

92-In nature fatty acids occur as ......... Of glycerol.

Acid halides

Binary compounds

Esters

Alkanes

93-WOF is true about about the kinetics of bimolecular elimination reactions?

Ist order reaction

2nd order reaction

Zero order reaction

3rd order reaction

94-The extension of structure in a crystalline solid is not

Regular

Geometrical

Three dimensional

None of these

95-In a reaction having both alkyl halide and base, the base will attack on......?

Electrophilic carbon

Nucleophilic carbon

Beta-hydrogen

None of these

96-In stoichiometry, we follow law of ....... While doing calculations.

Conservation of mass

Definite proportion

Both

None

97-In Haber's process volume percentage of ammonia in equilibrium mixture is

30 %

32 %

35 %

33 %

98-Which of these reactions occur at a moderate rate

Rusting of iron

Fermentation of sugar

Hydrolysis of esters

Chemical weathering of stone by acid

99-In Electrochemical cell, negative ions are migrated towards

Anode

Cathode

Towards the bottom of the cell

Towards the walls of the cell

100-Fruity smell of organic compounds is because of ..........?

Alcohols

Esters

Carboxylic acid

Acid halides

101-Alcohol is dehydrated by following reaction

Elimination reaction

Oxidation reaction

Combustion

Decomposition

102-WOF causes inactivation of enzymes ....... ?

Concentration of substrate

Optimum temperature

Beta radiation

Optimum pH

103-The molar volume of CO2 is maximum at

273 C & 2 atm

1 C & 1 atm

STP

127 C & 1 atm

104-BeO is ........... In nature

Acidic

Basic

Amphoteric

Neutral

105-What is the hybridization state of carbon in benzene?

Sp2

Sp3

All of these

106-Which of the following intermolecular forces are present between octane molecule?

London dispersion forces

Dipole dipole forces

Debye forces

H-bonding

107-WOF method is used to prepare alcohols from alkenes?

Reaction of alkenes with X2/water

Reaction of alkene with water

Reaction of alkene with H2SO4/water

Reaction of alkene with Ni

108-WOF is neutral to litmus

Phenol

Ethanol

Carboxylic acid

NaOH

109-In Al2S3, the valency of Al is

-3

-2

110-When we dissolve a compound of transition element in a solution of salt then it will form

Simplex ions

Strong anions

Double slats

Complex ions

111-On reacting with metals carboxylic acid produces WOF products

Slat + water

Salt

Salt +H2 gas

Salt + alcohol

112-In diaphragm cell, hydrogen is discharged by the reduction of

Water

HCl

Na+

NaCl

113-In energy terms, the elements at high energy state are

Electronegative atoms

Electropositive atoms

Neutral atoms

Charged elements

114-Energy changes in cyclic process is always

Unity

Zero

Positive

Negative

115-Conductivity of a solution changes with change in

Reactant ions concentration

Temperature of mixture

Adding in impurity

By catalyst

116-The slope determined by drawing a right angled triangle drawn with tangent as hypotenuse will be same

With different sizes of triangles drawn

At different point on curve

At the start and end of curve

All of these

117-WOF is formed during SN1 reactions?

Secondary carbocation

Primary carbocation

Tertiary carbocation

Methyl carbocation

118-Fused buxite is electrolyzed to get

Sodium

Magnesium

Aluminum

Iron

119-The molecules of CO2 in dry ice form

Covalent crystals

Ionic crystals

Metallic crystals

Molecular crystals

120-Calcium carbide is prepared by heating lime with coke at

25 C

26 C

27 C

28 C

121-Heat is the energy that flows across the

Surroundings

Boundaries

Only within the system

All of these

122-Formula mass is considered for ...... Compounds instead of their molecular mass

Metallic

Ionic

Covalent

Polar covalent

MDCAT CHEMISTRY FLP-21 (SMART INSTITUTE)

MDCAT Chemistry Quiz

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