JEE Advanced questions
3844 published questions with worked solutions.
- Native silver metal forms a water soluble complex with a dilute aqueous solution of NaCN in the presence ofNot in JEE Main or NEET syllabus
- Under the same reaction conditions, initial concentration of 1.386 mol dm^ -3 of a substance becomes half in 40 seconds and 20...
- 2.5 mL of 2 5 M weak monoacidic base (K_b = 1 10^ -12 at 25 °C) is titrated with 2 15 M HCl in water at 25 °C. The concentration...
- STATEMENT-1: Bromobenzene upon reaction with Br_2/Fe gives 1,4-dibromobenzene as the major product. STATEMENT-2: In bromobenzene,...
- STATEMENT-1: Pb^ 4+ compounds are stronger oxidizing agents than Sn^ 4+ compounds. STATEMENT-2: The higher oxidation states for...
- STATEMENT-1: For every chemical reaction at equilibrium, standard Gibbs energy of reaction is zero. STATEMENT-2: At constant...
- The synthesis of 3-octyne is achieved by adding a bromoalkane into a mixture of sodium amide and an alkyne. The bromoalkane and...
- The bond energy (in kcal mol^ -1 ) of a C–C single bond is approximately
- Among the following, the intensive property is (properties are)
- Aqueous solutions of HNO_3 , KOH, CH_3COOH , and CH_3COONa of identical concentrations are provided. The pair(s) of solutions...
- The total number of cyclic isomers possible for a hydrocarbon with the molecular formula C_4H_6 is
- Based on VSEPR theory, the number of 90 degree F–Br–F angles in BrF_5 is
- The concentration of R in the reaction R P was measured as a function of time and the following data is obtained: array...
- If the angles A, B and C of a triangle are in an arithmetic progression and if a, b and c denote the lengths of the sides...Not in JEE syllabus
- Let be a complex cube root of unity with 1. A fair die is thrown three times. If r_1, r_2 and r_3 are the numbers obtained on the...
- Let P, Q, R and S be the points on the plane with position vectors -2 i - j, 4 i, 3 i + 3 j and -3 i + 2 j respectively. The...
- The number of 3 3 matrices A whose entries are either 0 or 1 and for which the system A bmatrix x bmatrix = bmatrix 1 0 0 bmatrix...
- The value of _ x 0 1 x^3 _0^x t , n(1+t) t^4+4 ,dt is
- Let p and q be real numbers such that p 0, p^3 q and p^3 -q. If and are nonzero complex numbers satisfying + = -p and ^3 + ^3 =...
- Let f, g and h be real-valued functions defined on the interval [0, 1] by f(x) = e^ x^2 + e^ -x^2 , g(x) = xe^ x^2 + e^ -x^2 and...