AIEEE Mock Test

AIEEE Mock Test

The ionic radii of and are 95 pm and 181 pm, respectively, The length of the unit cell of is

  1. 276 pm
  2. 371 pm
  3. 357 pm
  4. 552 pm

Which is true for the following equilibrium reactions,PCL5, PCl3, Cl2

  1. On addition of the concentration of decreases
  2. Addition of either or will shift the equilibrium towards the left side
  3. On removal of the concentration of increases
  4. Addition of either or will shift the equilibrium towards the right side

Molar masses of three gases and are and respectively. If molar masses are in order the incorrect statement about their most probable velocity is :

  1. Vmp of A > Vmp of B
  2. Vmp of B > Vmp of C
  3. Vmp of A < Vmp of B
  4. Vmp of B > Vmp of B

The langmuir adsorption isotherm is based on the characteristic assumption of

  1. a flat solid surface
  2. a constant heat of adsorption independent of surface coverage
  3. zero activation energy for adsorption and desorption
  4. ideal gaseous behaviour

The order of reaction n, the unitial concentration of the reaction and time required for half of the reaction are related by which equation ?

  1. ln t1/2 = ln(constant)- (n-1)ln a0
  2. ln t1/2 = ln(constant)+ (n-1)ln a0
  3. ln t1/2 = ln(constant)+ (n-1)ln
  4. ln t1/2 = ln(constant)+ (n+1)ln

Benzoic acid undergoes dimerization in benzene solution, the Vant Hoff factor i is related to the degree of dissociation x of the acid as

  1. i = (1-x)
  2. i = (1+x)
  3. i = (1-x/2)
  4. i = (1-x/2)

The type of hybridization and the shape of the molecule in are respectively

  1. Sp3, Tetrahedral
  2. Sp2, Tetrahedral
  3. dsp3, trigonal bipyramidal
  4. Sp3d, T-shaped

Helium molecule does not exist because (Atomic number of He is 2)

  1. number of antibody orbitals in greater than the number of bonding orbitals
  2. number of bonding orbitals is guater than number of antibody orbitals
  3. its bond and order is zero
  4. its bond order is positive

The rate and rate constant of a chemical reaction,

  1. are idmtical gromtities
  2. are independent of each other
  3. are related to rate constant in equal to rate dividend by concentraiton of reactants
  4. are related and rate is equal to rate constant dividend by concetration of reactants

Rate constants of two reactions at 3535 C are equal. Temperature coefficients of these reactions are 2 and 3, respectively. The rtio of the constants of these reactions at 85C is

  1. 4/27
  2. 8/27
  3. 32/243
  4. 16/81

Which gas can be absorbed on a solid to a greater extent ?

  1. A gas which is non polar
  2. A gas having highest critical temp
  3. A gas having lowest critical temp
  4. A gas having highest critical pressure

A gaseous mixure of three gases X, Y, Z has a total pressure of 10 atm. The total number of moles of the three gases is 5. The total number of X and Y are 1.5 and 0.5 atm respectively. If the molecular weight of Z is 2, what is the mass of the gas (z) in grams, in the mixture ?

  1. 2.4
  2. 5
  3. 8
  4. 4

Identify the wrong statement in the following :

  1. Feron used as refrigeratnt is dichlorodifluro methane
  2. A deutron is a nucleus containing a neutron and a proton
  3. Zeolite is an example of 3-dimensional silicate
  4. The anhydride of acid is HCL0 is Cl2O3

Pick the wrong statement from the following

  1. The most common measurement of atmospheric particulate is the particulate matter and is referred to as PM
  2. PM is measured in length of
  3. DDT is the one of the most famous is sectide . The full name of dichloro diphenyl tnchloro ethane
  4. Chlorofluoro carbons are good refrigerants

A liquid is in equilibrium with its vapor at its boiling point. On the average the molecules in the two phases have equal

  1. inter molecular forces
  2. potential energy
  3. total energy
  4. kinetic energy

In crystalobaltie, the coordination number of silicon is

  1. Two
  2. Three
  3. Six
  4. Four

Knowing that the startered reduction potential for lithium is -3.045 V and that of sodium -2.714 V, which of the following statements is correct ?

  1. This correctly shows that the reactivity of the elements decreases down the group.
  2. This is anamalous and arises from small size and very large hydration energy of the free gaseous lithium ion as compared to with of sodium.
  3. This is anomalous and anies from large size and consequently large hydration energy of the free gaseous sodium ion as compared to that of lithium
  4. This is anomalous and arrises from small size consequently low hydration energy of free gaseous lithium ion as compared to with of sodium.

Upon adding solid sodium acetate to an aqueous acetic acid solution, there is

  1. an increases in the degree of ionization of acetic acid
  2. an increases in the ionization constant of acetic aci
  3. a decrease in the OH- concentration of the solution
  4. a decrease in the OH+ concentration of the solution.


QUOTE OF THE DAY
Hard work is exactly that: hard. Success is not easy, so work hard and you should start to see amazing results. - Unkown
March 19th, 2024 - Tuesday
background

Sign in to continue