Question # 1

The reagent for alkaline hydrolysis of ethyl bromide to form ethyl alcohol is

Choose an answer

water at room T

Alcoholic KOH+heat

Ethanol + heat

dil. NaOH+ heat

Choose from the followings the correct statement about Born Haber cycle

Choose an answer

Born Haber cycle is different from Hess's law

The energy changes in a cyclic process is not zero

The lattice energy of crystalline substances can be calculated easily

None

What is the formula of cryolite?

Choose an answer

Al2O3.2H2O

Na2B4O7 .10 H2O

Na3AIF6

Ca2B6O11. 5H2O

Which one of following statement about three about three states of matter is incorrect?

Choose an answer

in solids the particles vibrate about fixed positions

energy is released when a gas turns back to a liquid

particles in gases move in a random manner

the closer particles are together, smaller the force of attraction between them

Some substance are good conductors of electricity in both the solid and liquid states. These substance are generally:

Choose an answer

molecular solids

ionic substances

metallic substances

covalent network solids

The structure of a polymer depends upon how the monomer-repeating unit joins to make a polymer. What is not the type of structure of a polymer

Choose an answer

Synthetic polymer

Linear polymer

Branched

Cross linked or inter connected polymer

Which among the following will show anisotropy?

Choose an answer

Wood

Glass

Paper

BeCl2

1 gram formula refers to

Choose an answer

Amount in grams equivalent to 1 mole of a atom

Amount in grams equivalent to 1 mole of a covalent compound

Amount in grams equivalent to 1 mole of a ionic compound

Amount in grams equivalent to 1 mole of an ion

In graphite crystal, carbon is

Choose an answer

sp hybridized

sp²hybridized

sp³hybridized

None

The buffering property of proteins is due to the presence of

Choose an answer

Acidic and basic group

Hydrogen bonds

Indole group

Hyrophobic

Which of the following alcohols is least reactive with respect to 0-H bond

Choose an answer

CH3OH

CH-CH2-OH

(CH3)2-CH-OH

(CH3)3OH

When the solute is present in trace quantities the following expression is used

Choose an answer

Gram per million

Milligram percent

Microgram percent

Parts per million

The ph of 10-3 mole dm-3 of an aqueous solution of H₂SO₄ is :

Choose an answer

3.0

2.7

2.0

1.5

Any other aldehyde except formaldehyde on reaction with Grignard's will produce

Choose an answer

Secondary alcohol

Primary alcohol

Tertiary alcohol

Aromatic alcohol

Choose an answer

1

2

3

4

Which of these polymers is an addition polymer?

Choose an answer

Nylon-6,6

Polystrene

Terylene

Epoxy resin

Phosphide ion has the electronic structure similar to that of

Choose an answer

Nitride ion

Fluoride ion

Sodium ion

Chloride ion

The energy absorbed when an electron is added to a gaseous atom to form a gaseous ion is called

Choose an answer

Electron affinity

Ionization energy

Both of these

None of these

Acetamides are formed by the reaction of carboxylic acids with

Choose an answer

Acids

Bases

Salts

NH₃

Increased asthmatic attacks in certain seasons are related to

Choose an answer

Inhalation of seasonal pollen

Eating of seasonal vegetables

Low temperature

Wet and dry environment

Alkyl halides when reduced with nascent hydrogen in the presence of Zn + HCI, are converted to

Choose an answer

Alkynes

Alkenes

Alkanes

Alcohol

The osmotic pressure of a dilute solution is directly proportional to the

Choose an answer

Diffusion rate of the solute

Ionic concentration

Elevation in boiling point

Flow of solvent from a concentrated to a dilute solution

More Classes

Other Links

Chemistry General Science Test Medium Mode 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