List of top Questions asked in BITSAT- 2018

Following compounds are given: (1) CH₃CH₂OH (2) CH₃COCH₃ (3) CH₃-CHOH-CH₃ (4) CH₃OH Which of the above compound(s), on being warmed with iodine solution and NaOH, will give iodoform?
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: