Question # 1

The common host compound for the formation of inclusion compound is.

Choose an answer

Urea

Thiourea

Cholic acid

All above

PCRA stand for

Choose an answer

Pollution control research association

Petroleum conversation Research association

Petroleum control research association

All of above

The central metal atom or ion and the ligands that are directly attached to it are enclosed in a square bracket called.

Choose an answer

Coordiantion complex

Coordination sphere

Coordination number

Coordination compounds

The second order rate constant can have units.

Choose an answer

dm-6 mol 2 s-1

dm3 mol s-1

dm³ mol^-1 s^-1

dm6 mol-1 s-1

Group IV A consist of elements.

Choose an answer

3

4

5

6

In their ionic compounds halogens exhinit the oxidation states of.

Choose an answer

-1

-2

-3

-4

Which of the following statement is not true with respect to photo chemical reactions.

Choose an answer

These take place in the presence of light

Free energy of these reactions may be positive or negative

Light intensity affect these reactions

Temperature has significant affect n rate of these reactions

AI Cl3 acts as a strong Lewis acid, because it is.

Choose an answer

A covalent compound

Readily hydrolyzed

Electron deficient

An ionic compound

In confining and growing nano roade CNTs will act as.

Choose an answer

Template

Support

Source of oxidant

Sieve

In group theory the triple degenerate set is denoted by

Choose an answer

eg

t2g

e2g

tg

Which of the following does not belong in the group of herocyclic dyes.

Choose an answer

Acridine

Cyanine

Methylene blue

Amido black

In extraction of iron, the furnace charge consists of iron ore, coke and limestone. The function of limestone is to act as.

Choose an answer

An oxidation agent

A reducing agent

Flux

Slag

Which of the following is the major process when neopentyl bromide is dehydrogenate with alcoholic potash.

Choose an answer

2- methyl -1- butene

2- methyl- 1- butene

2,3 -dimethyl butene

2- butene

Which of the following is not a correct postulate of the kinetic theory of gases.

Choose an answer

The molecules are in random motion

The gaseous collisions are perfectly elastic

The average kinetic energies of different gases are equal at a particular temperature.

The pressure exerted on the walls of the container is due to inter molecular forces.

What is the equilibrium temperature of transformation of austenite to pearlite

Choose an answer

1000 F

1333 F

166 6 F

1222 F

Which of the following concentration term is used in respect of standard solutions.

Choose an answer

Normality

Formality

Molarity

All of above

Which of the following compounds does not show dipole moment.

Choose an answer

CH3OH

HBr

CCl4

CHCl3

Chemical compounds which are added to reduce to reactivity of glass are called.

Choose an answer

Formers

Modifiers

Stabilizers

None of these

Strong field ligands such as CN

Choose an answer

Usually produce high spin complexes and small crystal field splitting

Usually produce low spin complexes and small crystal field splitting

Usually produce low spin complexes and high crystal field splitting

Cannot form low spin complexes

The dimensions for first order rate constant are.

Choose an answer

s-1

s mol-1

mol-1 s-1

s

Which of the following quantity is correct for micro analysis.

Choose an answer

1 -10 mg or < 50 ml

10-20 mg or > 50 mL

50-100 mg or < 100 mL

None of above

When the colourless liquid chlorobenzene is shaken with bromine water, the chlorobenzen becomes a yellow-orange colour. Which of the following is the best interpretation of this.

Choose an answer

An addition compound of chlorobenzene and bromine has been formed.

The chlorine atom has been replaced by a bromine atom

The bromine is mor esoluble in chlorobenzene than in water

A hydrogen atom has been replaced by a bromine atom

The electronegativity of phosphorus is.

Choose an answer

3.0

2.1

2.0

1.9

Which of the following configuration of an ionic species represents psedue noble gas configuration.

Choose an answer

ns2

ns2 np6

ns2 np6 nd 10

ns2 np3

In the extraction of iron, the furnace change consists of iron ore, coke and limestone. The function of limestone is to act as.

Choose an answer

An oxidizing agent

A reducing agent

Flux

Slag

Which type of polymers the Vulcanised rubbers is.

Choose an answer

Linear

Cross jinked

Branch chain

Any one of these

The rate constant for 3rd order reaction has the dimentions of.

Choose an answer

mol-2 s-1

I2 mol-2 s-1

mol I -1 s-1

I-1 mol -1 s-1

The valence shell electronic configuration of group III A is.

Choose an answer

ns1 p2

ns2 p1

ns3p2

ns2p2

The acetylene molecule contain a

Choose an answer

Single bond

Double bond

Triple bond

Co ordinate bond

Bromine number is measure of.

Choose an answer

Paraffins

Unsaturates

Saturates

None of these

Oil of turpentine contains

Choose an answer

a-pinene

b- pinene

Both A and B

Name of these

More Classes

Other Links

PPSC Chemistry Full Book Test MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer