Practice questions
88551 published questions with worked solutions.
- How many different stereoisomers are possible for the given molecule ? CH3 – CH(OH) – CH = CH – CH3
- Which of the following electronegativity order is incorrect?
- Lanthanoid ions with 4f⁷ configuration are : (A) Eu2+ (B) Gd3+ (C) Eu3+ (D) Tb3+ (E) Sm2+ Choose the correct answer from the...
- Match List-I with List-II List-I: (A) Al3+ < Mg2+ < Na+ < F– (B) B < C < O < N (C) B < Al < Mg < K (D) Si < P < S < Cl List-II:...
- Which of the following acids is a vitamin ?
- A liquid when kept inside a thermally insulated closed vessel at 25°C was mechanically stirred from outside. What will be the...
- Radius of the first excited state of Helium ion is given as : a0 → radius of first stationary state of hydrogen atom.
- Statement I : CH3 – O – CH2 – Cl will undergo SN1 reaction though it is a primary halide. Statement II : CH3 – C(CH3)(CH3) – CH2...
- Statement I : One mole of propyne reacts with excess of sodium to liberate half a mole of H2 gas. Statement II : Four g of...
- A vessel at 1000 K contains CO2 with a pressure of 0.5 atm. Some of CO2 is converted into CO on addition of graphite. If total...
- The IUPAC name of the following compound is : CH3–CH(COOH)–CH2–CH2–CH(COOCH3)–CH3
- Which of the following electrolyte can be used to obtain H2S2O8 by the process of electrolysis?
- Arrange the following solutions in order of their increasing boiling points. (i) 10⁻⁴ M NaCl (ii) 10⁻⁴ M Urea (iii) 10⁻³ M NaCl...
- From the magnetic behaviour of [NiCl4]2– (paramagnetic) and [Ni(CO)4] (diamagnetic), choose the correct geometry and oxidation...
- The incorrect statements regarding geometrical isomerism are : (A) Propene shows geometrical isomerism. (B) Trans isomer has...
- The number of molecules/ions that show linear geometry among the following is _______ . SO2, BeCl2, CO2, N_3^-, NO2, F2O, XeF2,...
- A → B The molecule A changes into its isomeric form B by following a first order kinetics at a temperature of 1000 K. If the...
- In a group of 3 girls and 4 boys, there are two boys B_1 and B_2. The number of ways, in which these girls and boys can stand in...
- Let P(4, 4 3 ) be a point on the parabola y^2 = 4ax and PQ be a focal chord of the parabola. If M and N are the foot of...
- For a 3 3 matrix M, let trace (M) denote the sum of all the diagonal elements of M. Let A be a 3 3 matrix such that |A| = 1 2 and...