MDCAT CHEMISTRY FLP-21 (SMART INSTITUTE)
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
69-In secondary alkyl halides, how many H atoms are attached to carbon atom which is attached with halogen?
2
3
1
4
70-Formation of Hydrogen molecule according to
1s orbital
2s orbital
2p orbital
2px orbital
71-Which one is radioactive?
Cs
Fr
Li
K
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]
2
4
6
7
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
Sp
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
2
3
-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
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