List of top Questions asked in BITSAT- 2018

When an aqueous solution of copper(II) sulphate is saturated with ammonia, the blue compound crystallises on evaporation. The formula of this blue compound is:
Arrange the following alcohols in increasing order of their reactivity towards reaction with HCl: (1) CH₃CH₂OH, (2) (CH₃)₂CHOH, (3) (CH₃)₃COH
The blue colour of snail is due to presence of:
Which of the following is not a member of chalcogens?
Pick out the wrong statement.
Which one of the following cyano complexes would exhibit the lowest value of paramagnetic behaviour? (At. Nos.: Cr = 24, Mn = 25, Fe = 26, Co = 27)
Which of the following element do not form complex with EDTA?
Freundlich equation for adsorption of gases (in amount of x g) on a solid (in amount of m g) at constant temperature can be expressed as:
On passing a current of 1.0A for 16 min and 5 s through one litre of CuCl₂ solution, all copper of the solution was deposited at cathode. The strength of the CuCl₂ solution was (Molar mass of Cu = 63.5; Faraday constant = 96,500C mol⁻1):
A 100.0mL dilute solution of Ag⁺ is electrolysed for 15.0 minutes with a current of 1.25mA and the silver is removed completely. What was the initial [Ag⁺]?
The pH of a 0.1M monobasic acid is found to be 2. Hence, its osmotic pressure at a given temperature T is:
Which of the following will have a meso-isomer also?
Identify the incorrect statement from the following:
An element X occurs in short period having configuration ns²np¹. The formula and nature of its oxide is:
Which of the following is the strongest nucleophile?
Following are colours shown by some alkaline earth metals in flame test. Which of the following are not correctly matched? |c|c| Metal & Colour
(i) Calcium & Apple green
(ii) Strontium & Crimson
(iii) Barium & Brick red
Beryllium shows diagonal relationship with aluminium. Which of the following similarity is incorrect?
Consider the reactions (A) H₂O₂ + 2HI → I₂ + 2H₂O (B) HOCl + H₂O₂ → H₃O⁺ + Cl⁻ + O₂ Which statement is correct about H₂O₂ with reference to these reactions?
For vaporization of water at 1 atmospheric pressure, the values of Δ H and Δ S are 40.63kJ mol⁻1 and 108.8J K⁻1mol⁻1, respectively. The temperature when Gibbs free energy change (Δ G) for this transformation will be zero, is:
For the reaction taking place at certain temperature NH₂COONH₄(s) rightleftharpoons 2NH₃(g) + CO₂(g), if equilibrium pressure is 3X bar, then Δ G^∘ would be:
When N₂O₅ is heated at certain temperature, it dissociates as N₂O₅(g) rightleftharpoons N₂O₃(g) + O₂(g); K₁=2.5 At the same time N₂O₃(g) rightleftharpoons N₂O(g) + O₂(g) If initially 4.0 moles of N₂O₅ are taken in a 1.0L flask and equilibrium concentration of O₂ is 2.5M, equilibrium concentration of N₂O₅ is:
The pH of 0.1M solution of the following salts increases in order:
According to molecular orbital theory which statement about the magnetic character and bond order is correct regarding O₂?
If V is the volume of one molecule of a gas under given conditions, the van der Waals constant b is:
100 mL O₂ and H₂ are kept at the same temperature and pressure. What is true about their number of molecules?