Question # 1

Intermolecular forces exist between molecules of group 7 elements which of the following sequence represents the strength of the intermolecular forces?

Choose an answer

Cl₂> Br₂> I₂

Br₂> Cl₂> I₂

Cl₂> Br₂> I₂

I₂> Br₂> Cl₂

Which is property of CO?

Choose an answer

Soluble in water

Insoluble in water

No toxic

Pole coloured

Which of the following compound have empirical formula, but no molecular formula

Choose an answer

H20

C6H6

H₂O₂

NaCl

Half of the mass of atmosphere is concentrated above earth at the hieght of

Choose an answer

40 Km

25-28 Km

5-6 Km

100 Km

The mono atomic gas molecules are ______ gas molecules

Choose an answer

Halogen

Zero

Noble

Both b and c

At which oxidation state Cu achieves electronic configuration of Zn+2

Choose an answer

0

+2

+1

+3

Kinetic energy of one mole of an ideal gas at 300 K in kJ is

Choose an answer

34.8

3.48

3.74

348

The enzyme which is found in saliva, accelerates the conversion of starch into sugar is

Choose an answer

Pepsin

Thrombin

Ptyalin

Fumarase

Bond will be covalent when electronegativity difference of bonded atom is

Choose an answer

Equal to 1.7

between 0.5 to l.7

Greater to 1.7

zero

NH₃shows a maximum boiling point among the hydrides of Vth group elements due to

Choose an answer

very small size of nitrogen

hydrogen bonding between its molecules

enhanced electronegative character of nitrogen

pyramidal structure of NH₃

The other name for cross linked polymers is

Choose an answer

Linear polymer

Branched polymers

Inter connected polymers

None of these

The major components of coal gas are

Choose an answer

Hydrogen and methane

Ethane and carbon monoxide

Nitrogen and ethane

Ethane and carbon dioxide

Which of the following has polar bond

Choose an answer

O₂

N₂

HCl

Cl₂

The credit of discovering neutron goes to

Choose an answer

Rutherford

Langmuir

Chadwick

Austen

Organic acid without a carboxylic acid group is

Choose an answer

Ascorbic acid

Vinegar

Oxalic acid

Picric acid

Coinage metals like Au, Pt, Ag and Cu are the least reactive metals and don't liberate H₂gas when treated with acids because

Choose an answer

These have very high positive values of reduction potentials

These have very high negative values of reduction potentials

Their ionization potentials are lowest

Their reduction potentials are close to SHE

______ is called milk of magnesia

Choose an answer

NaOH

KOH

LiOH

None

Sp³hybridization occurs when carbon is bound to

Choose an answer

Four other atoms

Three other atoms

Two other atoms

One other atoms

Choose an answer

Which of the following compounds gives trichoromethane on distilling with bleaching power?

Choose an answer

Methanal

Phenol

Ethanol

methanol

Where energy is released during a reaction it is

Choose an answer

Exothermic reaction

Endothermic reaction

A free radical reaction

A bond breaking reaction

The de-Brogile wavelength of a particle with mass 1g and velocity 100 m/s is

Choose an answer

6.63 x 10^-33m

6.63 x 10^-34m

6.63 x 10^-35m

6.65 x 10^-35m

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