List of top Questions asked in BITSAT- 2020

Choose the correct alternative that will continue the same pattern and replace the question mark in the given series. 3,4,7,7,13,13,21,22,31,34,?
The miser gazed …… at the pile of gold coins in front of him.
I saw a …… of cows in the field.
According to the author countrymen should
The proper sequence should be:
The proper sequence should be:
The character of a nation is the result of its
According to the author, ‘Mentality’ of a nation is mainly product of its
ARROGANT
EMBEZZLE
The need for greater understanding between nations
The non-stoichiometric compound Fe₀.94O is formed when x% of Fe²+ ions are replaced by as many (2)/(3)Fe³+ ions. The value of x is:
The equilibrium constant for the disproportionation reaction 2Cu⁺(aq) rightleftharpoons Cu(s) + Cu²+(aq) at 25^∘C (EᶜircCᵤ⁺/Cᵤ=0.52V, EᶜircCᵤ²+/Cᵤ⁺=0.16V) is:
A compound of Xe and F is found to have 53.5% of Xe. What is the oxidation number of Xe in this compound?
Al (at. wt. 27) crystallizes in the cubic system with a cell edge of 4.05AA. Its density is 2.7g cm⁻3. Determine the atom unit cell type and calculate the radius of the Al atom.
Electrolysis is carried out in three cells:
Consider the reaction: Cl₂(aq) + H₂S(aq) → S(s) + 2H⁺(aq) + 2Cl⁻(aq) The rate equation for this reaction is: rate = k[Cl₂][H₂S] Which of these mechanisms is/are consistent with the rate equation? A. Cl₂ + H₂S → H⁺ + Cl⁻ + Cl⁺ + HS⁻ (slow) Cl⁺ + HS⁻ → H⁺ + Cl⁻ + S (fast) B. H₂S rightleftharpoons H⁺ + HS⁻ (fast equilibrium) Cl₂ + HS⁻ → 2Cl⁻ + H⁺ + S (slow)
The EMF of the cell Tl|Tl⁺(0.001M)||Cu²+(0.01M)|Cu is 0.83V. The cell EMF can be increased by:
Given the following data: l r Reaction & Energy change (kJ)
Li(s)→ Li(g) & 161
Li(g)→ Li⁺(g) & 520
(1)/(2)F₂(g)→ F(g) & 77
F(g)+e⁻→ F⁻(g) & x
Li⁺(g)+F⁻(g)→ LiF(s) & -1047
Li(s)+(1)/(2)F₂(g)→ LiF(s) & -617 Based on the data provided, the value of electron gain enthalpy of fluorine would be:
The percentage hydrolysis of 0.15M solution of ammonium acetate, Kₐ for CH₃COOH=1.8×10⁻5 and Kb for NH₃=1.8×10⁻5 is:
For a sparingly soluble salt ApBq, the relationship of its solubility product Kₛp with its solubility S is:
The average kinetic energy of an ideal gas molecule in SI unit at 25^∘C will be:
For a particular reversible reaction at temperature T, Δ H and Δ S were found to be both positive. If Tₑ is the temperature at equilibrium, then the reaction would be spontaneous when:
In a closed system, A(s) rightleftharpoons 2B(g) + 3C(g) if the partial pressure of C is doubled, then the partial pressure of B will be:
The degree of dissociation of PCl₅(g) obeying the equilibrium PCl₅ rightleftharpoons PCl₃ + Cl₂ is related to the equilibrium pressure P by: