At the end of the periodic table _____ are found.

NTS 2016 DUHS & JSMU
Chemistry
Periodicity in Elements
Elimination Tool:

Diamond and Graphite:

NTS 2013
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

NaNO3 on heating gives:

NUMS Mock 3
Chemistry
Periodicity in Elements

Hardness of transition metals is due to ______?

PMC Practice 6
Chemistry
d and f Block Elements
Elimination Tool:

Silver oxide decomposes when heated to silver and oxygen. If 0.5 moles of lunar caustic is heated up to 450 degrees, giving out Nitrogen dioxide and oxygen leaving silver as metal, what is the mass of the residue?

NTS 2015 SMBBMC
Chemistry
Stoichiometry
Elimination Tool:

The influence of temperature on reaction rate is predicted by:

NUMS Mock 1
Chemistry
Reaction Kinetics

Which of the following has the highest ionization energy?

NUMS 2019 Cancelled
Chemistry
Periodicity in Elements
Elimination Tool:

C6H5 Is:

Which of the following are the fundamental ways of transferring energy?

NUMS 2014
Chemistry
Thermochemistry
Elimination Tool:

For a reaction given below

C(s) + O2 (g) -> CO2 (g) + 394 kJ / mol

The enthalpy of reaction is

NTS 2016 SMBBMC
Chemistry
Thermochemistry
Elimination Tool:

Which of the following will react with water?

NUMS Mock 1
Chemistry
Introduction to Fundamental Concepts of Chemistry

Conversion of Electrical energy into chemical energy is

PMC Sample 2
Chemistry
Electrochemistry
Elimination Tool:

Which statement is true about electron affinity?

NUMS Mock 2
Chemistry
Periodicity in Elements
Chemical Bonding

The pH of acid rain is

UHS 2014
Chemistry
Environmental Chemistry
Elimination Tool:

In a Beta elimination reaction, the nucleophile attacks a\an:

NUMS 2015
Chemistry
Alkyl Halides and Amines
Elimination Tool:

What one is the correct geometry of acetal?

PreMedPK MDCAT Mock 3
Aldehydes and Ketones
Elimination Tool:

Sodium Is prepared by

What is the temperature at which the volume of gas is said to be zero?

NTS 2015 SMBBMC
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

In the reaction, 2SO2 (g) + O2 ⇌ 2SO3 (g) ∆H= +X cal most favorable conditions of temperature and pressure for a greater yield of SO2 are:

NTS 2014
Chemistry
Chemical Equilibrium
Elimination Tool:

Which of the following will be separated by filtration?

In the production of wrought iron Mg, Si, and P are removed in the form of:

PMC Practice 3
Chemistry
Industrial Chemistry
Elimination Tool:

Which element does not show magnetic properties?

In alkyl halide, the halide ion has charge on it when attached to C-atom.

Spectrum of which series is in the visible region?

For which of the following order of the reaction, rate of reaction is inversely proportional to the concentration reaction?

PMC 2020
Chemistry
Reaction Kinetics
Elimination Tool:

From the following which is used as bleaching agent

The only o, p−directing group which is deactivating in nature is:

NTS 2014
Chemistry
Alkyl Halides and Amines
Elimination Tool:

Which of the following is the safest way to dry crystals during crystallization?

In which of the following chromium has different oxidation state?

NTS 2016 SMBBMC
Chemistry
Periodicity in Elements
Elimination Tool:

Paramagnetic elements contain:

NTS 2019
Chemistry
d and f Block Elements
Elimination Tool:

Hydrolysis of Nitriles produces:

NUMS 2020
Chemistry
Carboxylic Acids and its Derivatives
Elimination Tool:

In a resonance structure of a molecule

NUMS 2014
Chemistry
Fundamental Principles of Organic Chemistry
Elimination Tool:

The Unit cell with crystallographic dimensions a = b ≠c ,α = β = γ = 90 degrees is:

NTS 2015 DUHS and JSMU
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

The isomers due to the unequal distribution of carbon atoms on either side of the functional group belonging to the same homologous series are called:

NUMS Mock 2
Chemistry
Fundamental Principles of Organic Chemistry

What does the constant ‘n’ represent in the equation of state for an ideal gas PV = nRT?

PMC Practice 5
Physics
States of Matter – Gases, Liquids and Solids
Elimination Tool:

The actual volume of gas molecules is considered negligible at following pressures:

PMC 2020
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

Which of the following has the maximum number of unpaired d electrons?

NTS 2016 DUHS & JSMU
Chemistry
d and f Block Elements
Elimination Tool:

The order of reactivities of the following alkyl halides for an SN2 reaction is:

NUMS 2016
Chemistry
Alkyl Halides and Amines
Elimination Tool:

If electrons are loosely packed then:

Real gases behave ideally at:

NTS 2018
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

Gases can be converted into liquid by:

Wohler prepared urea from:

Solution contains 85.5 g of sucrose (C12H22O11) in 250 cm3. What is its molarity?

UHS 2019
Chemistry
Introduction to Fundamental Concepts of Chemistry
Elimination Tool:

Periodic table is divided into groups A and 6:

Impurities of lead in silver are removed by:

NUMS Mock 2
Chemistry
d and f Block Elements

20 cm3 of a gaseous hydrocarbon was completely burnt in an excess of oxygen 60 cm3 of carbon dioxide and 40 cm3 of water vapours were formed, all volumes being measured at the same temperature and pressure. What is the formula of the hydrocarbon?

NTS 2015 SMBBMC
Chemistry
Hydrocarbons
Elimination Tool:

In general formula of alkyl halide RX, X represents ________

PMC Sample 2
Chemistry
Alkyl Halides and Amines
Elimination Tool:

Friedel-Crafts Reaction can be used for the preparation of :

Acetylene polymerizes to make:

PMC Sample 3
Chemistry
Hydrocarbons
Elimination Tool:

The equation N2(g)+ 3H2(g)⇋ 2NH3(g)represents:

PMC 2020
Chemistry
Chemical Equilibrium
Elimination Tool:

Common name of Octadecanoic acid is:

NTS 2016 DUHS & JSMU
Chemistry
Acids, Bases and Salts
Macromolecules
Elimination Tool:

Fe’ 2 + is a cofactor of:

Which of the following is chrome yellow’s pigment?

NTS 2015 SMBBMC
Chemistry
s and p Block Elements
Elimination Tool:

Which one is not true for H2SO4?

NTS 2012
Chemistry
Macromolecules
Elimination Tool:

SN2 can be best carried out with:

NUMS 2015
Chemistry
Alkyl Halides and Amines
Elimination Tool:

The method which is used on an industrial scale for production of alcohol from alkene is:

PMC Sample 1
Chemistry
Alcohols, Phenols and Ethers
Elimination Tool:

Which catalyst is used to oxidize benzene rings?

NUMS 2019 Reconduct
Chemistry
Hydrocarbons
Elimination Tool:

Which of the following is used to make container for nitric acid?

Vinyl bromide can be prepared from:

Identify from the following the example in which the complex is an anion:

NTS 2016 SMBBMC
Chemistry
d and f Block Elements
Elimination Tool:

The order of decreasing power as an oxidizing agent is

Meta-formaldehyde molecule has Oxygen MOMS:

Which of the following pollutant decolorize the skin?

ETEA 2019
Chemistry
Environmental Chemistry
Elimination Tool:

If CO2 level increase from the normal level, what will happen?

ETEA 2017
Chemistry
Environmental Chemistry
Elimination Tool:

Friedel craft’s reaction gives?

A solution has pH of 10. What is the value of [OH-]?

Aluminum reacts with H2SO4 to produce

The common features, among the species CN, CO and NO are:

NUMS Mock 3
Chemistry
Chemical Bonding

Unsaturated Compound containing double bond is:

Melting point of methyl alcohol is?

When 18 x 10-3 moles/dm3 of acetic acid react with 22 x 10-3 moles/dm3 of ethyl alcohol to form 40 x 10-3 moles/dm3 of ethyl acetate and 40 x 10-3 moles/dm-3 of water. Find the value of equilibrium constant (kc):

NTS 2010
Chemistry
Chemical Equilibrium
Elimination Tool:

Phenylmethyl ketone can be converted into ethyl benzene in one step by using:

NUMS 2016
Chemistry
Aldehydes and Ketones
Elimination Tool:

At Equilibrium, which of the following reactions is not affected by pressure?

NUMS Mock 3
Chemistry
Chemical Equilibrium

Carbon dioxide is an Example of?

PMC Practice 4
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

If a molecule MX3 has zero dipole moment, the sigma bonding orbitals used by M are:

NUMS Mock 4
Chemistry
Chemical Bonding

Which of the following properties are associated with transition metals?

PMC Practice 6
Chemistry
d and f Block Elements
Elimination Tool:

Which of the following has the highest electrical conductivity?

NUMS 2016
Chemistry
Solution and Colloids
Elimination Tool:

The common features, among the species CN, CO and NO are:

NUMS 2016
Chemistry
Chemical Bonding
Elimination Tool:

The elevation in boiling point ∆?? is equal to ebullioscopic constant ?? when the Molarity (?) of the solution is:

ETEA 2018
Chemistry
Solution and Colloids
Elimination Tool:

Q.69 Carbon dioxide is an Example of

An SN2 reaction at an asymmetric carbon of a compound always gives:

NTS 2014
Chemistry
Alkyl Halides and Amines
Elimination Tool:

Example of metamerism is:

The strongest acid among the following is?

PreMedPK MDCAT Mock 2
Chemistry
Alcohols, Phenols and Ethers
Elimination Tool:

Which of the following is the formula of Potassium permanganate?

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

Chemistry
Introduction to Fundamental Concepts of Chemistry
Elimination Tool:

The molecule with zero dipole moment is:

NUMS 2015
Chemistry
Chemical Bonding
Elimination Tool:

Example of nucleophile is:

NUMS Mock 3
Chemistry
Fundamental Principles of Organic Chemistry

which of the following can not be used to convert butanoic acid to butanoyl chloride?

NUMS Mock 4
Chemistry
Carboxylic Acids and its Derivatives

PolymerizatIon of ______ produces synthetic rubber.

PMC Sample 1
Chemistry
Hydrocarbons
Elimination Tool:

Rate = K [N2O5] has _____ of reaction.

NTS 2013
Chemistry
Reaction Kinetics
Elimination Tool:

Bleaching powder is agent?

An ester is prepared by the reaction of:

NTS 2011
Chemistry
Carboxylic Acids and its Derivatives
Elimination Tool:

The effect of temperature on the rate of a reaction is given by:

NUMS 2020
Chemistry
Reaction Kinetics
Elimination Tool:

Linear combination of atomic orbitals (LCAO) results in the formation of:

NUMS Mock 2
Chemistry
Chemical Bonding

Which of the following is a component of TEAR GAS:

Free Nitrogen and Oxygen are present in atmosphere but they do not react with each other under normal conditions because:

NUMS Mock 3
Chemistry