Chemisty Full Chapter-3 test for Part-1 Class

Chemisty Full Chapter-3 test for Part-1 Class

                                                             SECTION-I Q.1 Four possible options have been given. Tick (P)  the correct option.                                    i.            Pressure remaining constant, at which temperature the volume of a gas will become twice of what it is at 0^oC

a) 546^oC    b) 200^oC                c) 546K                                  d) 273K

ii.            Which gas will diffuse more rapidly.

a)CO₂        b) NH₃                     c)  HF                                    d) SO₂

iii.            Which gas deviate more from ideal behavior at high pressure?

a) H₂           b) CO₂                       c) Ar                                      d) NH₃iv.            Plasma is a conductor of electricity :

a) bad     b) good                     c) poor                                  d) none

v.            S.I unit of pressure is :

a) torr    b) mm of Hg              c) Nm^-2                                    d) pound /inch

SECTION-II

Q.2 Write the short answers of the following questions.                                               

i.            Lighter gases diffuses more rapidly than heavier, justify.
ii.            SO₂ is non-ideal at 273 K but behaves like an ideal gas at 327^oC.give reason.
iii.            Water vapours don’t behave ideally at 273K.Discuss..
iv.            Give two applications of Dalton’s law of partial pressure.
v.            Differentiate between diffusion and effusion with example.
vi.            Proof that d= PM/RT.

                                              SECTION-III                                            
Q.3 a) explain Dalton’s   law of partial pressure .         
b) How volume and pressure are corrected by Vander Waals?                                                              Q.4  a)  what is plasma ? explain its various types.         
b)   Describe the main postulates of kinetic molecular theory of gases.