In Exothermic Reactions heat is _______

PMC Sample 3
Chemistry
Chemical Equilibrium
Elimination Tool:

Which if the following has the greatest difference between it’s first and second ionization energies?

NUMS 2014
Chemistry
Periodicity in Elements
Elimination Tool:

The heat of a reaction can be calculated by using:

NTS 2010
Chemistry
Thermochemistry
Elimination Tool:

Which of the following exhibits an oxidation state of -3?

The number of moles of solute dissolved per dm) of the solution is called

Electrons are most loosely bound in which of the following halogen?

Most abundant salt of sodium in nature is:

NTS 2017
Chemistry
s and p Block Elements
Elimination Tool:

Which of the following acids is used for Etching glass?

NTS 2011
Chemistry
Acids, Bases and Salts
Elimination Tool:

The shape of [Co(NH3)6]3+ complex is:

UHS 2018
Chemistry
d and f Block Elements
Elimination Tool:

Who rejected vital force theory

PMC Sample 3
Chemistry
Hydrocarbons
Elimination Tool:

If you need to produce carbon dioxide from 12 grams of carbon, how many grams would you need?

Group 1A and 11A are known as: ) s block elements d) P block elements

In the atmosphere, CO2 is about:

FMDC 2018
Chemistry
Environmental Chemistry
Elimination Tool:

In general Photochemical reactions are of order

PMC Sample 1
Chemistry
Reaction Kinetics
Elimination Tool:

In which of the following reagent Cupric citrate complex is formed?

PreMedPK MDCAT Mock 5
Chemistry
Aldehydes and Ketones
Elimination Tool:

Hydrolysis of acyl chloride results in the formation of:

NUMS Mock 4
Chemistry
Carboxylic Acids and its Derivatives

In Cannizzaro’s reaction, Benzyl alcohol is obtained from?

PreMedPK MDCAT Mock 4
Chemistry
Alcohols, Phenols and Ethers
Aldehydes and Ketones
Elimination Tool:

In which of the following reaction does the C-O bond of alcohol not break?

PreMedPK MDCAT Mock 1
Chemistry
Alcohols, Phenols and Ethers
Elimination Tool:

Which of the following has maximum Hydration power?

NUMS 2015
Chemistry
Chemical Bonding
Elimination Tool:

The reduction of nitrile produced a compound of formula C3H7NH2. Which one of the following compounds would be produced if the same nitrile was hydrolyzed by heating with dilute hydrochloric acid?

NUMS 2016
Chemistry
Alkyl Halides and Amines
Elimination Tool:

Which of the following gas, when ignited, burns with a blue flame and is not very soluble in water?

NUMS Mock 4
Chemistry
s and p Block Elements
Environmental Chemistry

Aqueous solutions of Iodine and Sodium hydroxide were mixed in a round bottom flask at 70 C. Following chemical reaction was carried out.

3I2 + 6 NaOH -> NaIO3 + NaI + H2O
This reaction is termed as;

UHS 2019
Chemistry
Solution and Colloids
Elimination Tool:

Which of the following is used as coagulation for latex in rubber industry

What is the nature of “hydrated tricalcium aluminate” (3 Ca. Al203. 6 H20) in the setting of cement?

Which type of carboxylic acid is produced from the hydrolysis of nitriles?

PMC Sample 2
Chemistry
Carboxylic Acids and its Derivatives
Elimination Tool:

A system at equilibrium can be disturbed by:

NTS 2013
Chemistry
Chemical Equilibrium
Elimination Tool:

According to the general gas equation, density of an ideal gas depends upon:

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

Which of the following molecules has no net dipole moment?

NUMS 2014
Chemistry
Chemical Bonding
Elimination Tool:

Mass spectrometer can be used to find:

A bottle of cold drink contains 200 ml liquid in which CO2 is 0.1 molar . Suppose carbon dioxide behaves like an ideal gas the volume of dissolved carbon dioxide at STP is?

NTS 2015 DUHS and JSMU
Chemistry
Stoichiometry
Elimination Tool:

Which of the following is not a physical property of ethers?

NUMS 2019 Cancelled
Chemistry
Alcohols, Phenols and Ethers
Elimination Tool:

Different kinds of atoms of the same element are called isotope having different __________but same ___________ properties.

PMC Practice 1
Chemistry
Introduction to Fundamental Concepts of Chemistry
Elimination Tool:

CO2 and SO2 both are tri-atomic molecules but heat of vaporization of SO2 is greater than that of CO2 due to:

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

In 3rd series of transition elements, paramagnetic behaviour is maximum for Mn +2 and :

PMC 2020
Chemistry
d and f Block Elements
Elimination Tool:

Aluminum silicate is used In:

Which of following Is poison for catalyst:

In which of the following reaction alkyl ketones are converted Into carboxylic acid with one carbon atom less than the parent compound?

) Plastic cannot be recycled by

Which of the following is an insecticide?

PreMedPK MDCAT Mock 1
Chemistry
Alcohols, Phenols and Ethers
Elimination Tool:

Q.125 Standard electrode Potential is denoted by

What is the chemical name of SANDUR?

The addition of HBr to an unsymmetrical alkenes follows?

PreMedPK MDCAT Mock 2
Chemistry
Hydrocarbons
Elimination Tool:

The formula of Chile Saltpeter is?

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

The radiations from a naturally occurring radioactive substance, as seen after deflection by a magnetic field in one direction, are:

NUMS Mock 2
Chemistry
Analytical Chemistry

The position of the double bond in alkenes can be identified by:

PMC Sample 3
Chemistry
Hydrocarbons
Elimination Tool:

CH3CN + NCI > A + B in presence of water in the above reaction A and B are

Which one of the following statements is incorrect?

NUMS 2018
Chemistry
Solution and Colloids
Elimination Tool:

How many chain isomers of Pentane is possible?

PMC Practice 1
Chemistry
Hydrocarbons
Elimination Tool:

Oxidation number of Nitrogen in HNO3, is:

NTS 2011
Chemistry
Electrochemistry
Elimination Tool:

______ is needed in thyroxine, the hormone of thyroid gland.

NTS 2012
Chemistry
Chemistry of Life
Elimination Tool:

The order of force of repulsion between lone pairs and Bond pairs is?

NTS 2015 SMBBMC
Chemistry
Chemical Bonding
Elimination Tool:

Carboxylic acids can be reduced to corresponding alcohols. Which of the following reagent can be used for this purpose?

NUMS Mock 2
Chemistry
Carboxylic Acids and its Derivatives

IUPAC name of this is (CH3)2 – CH – CH (C2H5) – C(CH3)3

NTS 2016 DUHS & JSMU
Chemistry
Fundamental Principles of Organic Chemistry
Elimination Tool:

Ligands having two lone pair of electrons for donation to the central transition metal ion are known as:

UHS 2018
Chemistry
d and f Block Elements
Elimination Tool:

Identification tests for functional groups of organic compounds are associated with specific observations. Tollen’s reagent is an ammoniacal silver nitrate solution, which is used for the identification of a functional group X with an observation O. Identify X and O.

PreMedPK MDCAT Mock 2
Chemistry
Aldehydes and Ketones
Elimination Tool:

Electronegativity is defined as the power of an atom in a molecule to

Acetic acid is used in curing of? b

Ionic radius in period from left to right:

NUMS 2014
Chemistry
Periodicity in Elements
Elimination Tool:

Phenol is derived from?

Water and mercury can be separated by:

Born Haber cycle is used to determine:

PMC 2020
Chemistry
Thermochemistry
Elimination Tool:

The value of R (the gas constant) is

NTS 2019
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

While finding the relative atomic mass, which of the following standard is used to compare the atomic mass of chlorine (35.5 amu)

NUMS Mock 1
Chemistry
Stoichiometry

Which one substance is used to remove both H2S and carbon dioxide from biogas?

Which derivative of benzene shows maximum reactivity in electrophilic substitution reactions?

UHS 2019
Chemistry
Hydrocarbons
Elimination Tool:

Work done on the system is

PMC Sample 1
Chemistry
Thermochemistry
Elimination Tool:

Unpolluted rain water has a pH of:

UHS 2013
Chemistry
Environmental Chemistry
Elimination Tool:

Which of the following statements are correct about noble gases?

NTS 2013
Chemistry
Periodicity in Elements
Elimination Tool:

By which of the following factors, equilibrium state is attained earlier?

NUMS 2020
Chemistry
Chemical Equilibrium
Elimination Tool:

About 80% of ammonia is used for the production of

UHS 2015
Chemistry
Environmental Chemistry
Elimination Tool:

Measuring ‘Biochemical Oxygen Demand’ (ROD) is a method used for:

What is the charge on a hydrogen ion?

Half atmospheric pressure is:

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

The halogens are known as:

Paramagnetism is due to:

Cyanohydrins when reacted with mineral acid produces ________?

PMC Sample 2
Chemistry
Carboxylic Acids and its Derivatives
Elimination Tool:

When electricity is passed through water in the presence of an acid, oxygen and ______ is produced.

NTS 2018
Chemistry
Electrochemistry
Elimination Tool:

Which of the following has the highest value of pKa?

NUMS Mock 1
Chemistry
Chemical Equilibrium

Many elements have fractional atomic masses. This is because:

NUMS 2020
Chemistry
Atomic Structure
Elimination Tool:

Bond energy between nitrogen atoms in N2 molecule is:

NTS 2015 DUHS and JSMU
Chemistry
Chemical Bonding
Elimination Tool:

Pierrie Curie and Marie Curie isolated which radioactive element?

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

Carboxylic acids can be reduced to corresponding alcohols. Which of the following reagent can be used for this purpose?

UHS 2019
Chemistry
Carboxylic Acids and its Derivatives
Elimination Tool:

For a reversible reaction to reach an equilibrium state the reaction should be carried out in:

Oxidation Number of all the elements in the free state is?

PMC Practice 5
Chemistry
d and f Block Elements
Elimination Tool:

Which of following is an example of electrophilic attack on alcohols?

PreMedPK MDCAT Mock 5
Chemistry
Alcohols, Phenols and Ethers
Elimination Tool:

All are dehydrating agents for alcohols to produce alkene except:

NTS 2016 DUHS & JSMU
Chemistry
Macromolecules
Elimination Tool:

While calculating vapor pressure of a liquid in manometer, the column of mercury facing the vapors of a liquid is _____ due to pressure on surface of liquid in flask.

PMC Practice 1
Chemistry
Experimental Techniques in Chemistry
Elimination Tool:

Periodic table is divided into groups A and 6:

Which theory deals with hybridization of orbitals?

Polymerization is of how many types:

PMC 2021 Tested
Chemistry
Macromolecules
Elimination Tool:

Which of the following is not a physical property of ethers?

PreMedPK MDCAT Mock 3
Chemistry
Alcohols, Phenols and Ethers
Elimination Tool:

lanthanide Contraction is phenomenon of block :