Question # 1

Which of the following will have the highest boiling point.

Choose an answer

Methanal

Ethanal

Propanal

2-Hexanone

Which class of compounds can not show positional isomerism.

Choose an answer

Alkanes

Alkene

Alkynes

Alcohol

Bone ash contain calcium phosphate

Choose an answer

40%

50%

70%

80%

Which of the following is Ortho and Para directing group

Choose an answer

-I

-CHO

-COR

-NH₂

The reaction between Cu and conc. H2SO4 produces

Choose an answer

SO3

SO2

H2

Cu + ions

Which one of the following alkanes will be formed by the hydrolysis of ethyl magnesium bromide

Choose an answer

Methane

Ethane

Butane

do not hydrolysed

Boiling point range of petroleum ether.

Choose an answer

5- 20 ^oC

10- 30^oC

20- 60^oC

30- 90^oC

The number of acidic hydrogen present in 1- Propyne is

Choose an answer

1

2

3

4

Which substance is used to convert ethanol to ethyl chloride

Choose an answer

SOCl2

PCl3

PCl5

All of these

Acetylene polymerized in the presence of ammonium chloride and cuprous chloride ot form.

Choose an answer

Benzene

PVC

Di vieiyl acetylene

Polyethene

Grignard's reagent is reactive due to

Choose an answer

the presence of halogen atom

the presence of Mg atom

the polarity of C-Mg bond

none of the above

Methyl alcohol is not used

Choose an answer

As a solvent

As an anti freezing agent

As a substitute for petrol

For denaturing of ethyl alcohol

Industrially ethanal is prepared by air oxidation of.

Choose an answer

Ethane

Ethene

Ethyne

Acetic acid

Ethyl alcohol on reacting with orthoboric acid form

Choose an answer

Ethyl borate

Boric acid

Boron acetate

Borax

Sodium is collected over molten sodium chloride in Down's cell, because.

Choose an answer

It does not react with NaCl

It is lighter in weight and floats on molten NaCl

Its reactivity is greater than NaCl

None of these

During the manufacturing process of cement the temperature of the decomposition zone goes up to

Choose an answer

600°C

800°C

1000°C

1200°C

Phosphorous helps the growth of

Choose an answer

root

leave

stem

seed

-------------------- is Alcohol in the following

Choose an answer

CH₃.CH₂.OH

CH₃.O.CH₃

CH₃COOH

CH₃.CH₂.SH

More Classes

Other Links

Chemistry Fsc Part 2 Online 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