Engineering Questions — Chemistry — JEE Main
145 solved questions with detailed explanations
Q.68. Given below are two statements : Statement I: Compound (X), shown below, dissolves in NaHCO₃ solution and has two chiral carbon atoms [Figure: Compound (X)]. Statement II: Compound (Y), shown be
Q.67. Consider the following reaction. [Figure: Reaction scheme starting with a cyclic ketone with an ester group, undergoing reduction with NaBH4/MeOH, then NaOH(aq)/Δ, and finally H3O+.] The major p
Q.57. Given below are two statements:R = 8.314 J K⁻¹ mol⁻¹ and 1 cal = 4.2 JStatement I: When = 12.6 kcal/mol, the room temperature rate constant is doubled by a 10°C increase in temperature (298 K t
Q.61. The correct statements are: A. Activation energy for enzyme catalysed hydrolysis of sucrose is lower than that of acid catalysed hydrolysis. B. During denaturation, secondary and tertiary struct
Q.58. The electronegativity of a group 13 element 'E' is same as that of Ge (on Pauling scale and upto one decimal point). The CORRECT statements about E are A. It can act as a reducing agent. B. It c
Q.61. Given below are two statements for catalytic properties of transition metals : Statement I: First row transition metals which act as catalyst utilise their 3d electrons only for formation of bon
Q.69. The incorrect statement from the following with respect to carbohydrates is :
Q.65. n-Butane on monochlorination under photochemical conditions gives an optically active compound "P". “P” on further chlorination gives dichloro compounds. The number of dichloro compounds obtaine
Q.70. Match the LIST-I with LIST-II List-I Compound A. [Figure: Phenol] B. [Figure: Aniline] C. [Figure: Acetaldehyde] D. [Figure: Alcohol (Ethanol)] List-II Test I. Hinsberg's reagent test II. Phthal
Q.57. One mole each of He and A(g) are taken in a 10 L closed flask and heated to 400 K to establish the following equilibrium. A(g) B(g) K for this reaction at 400 K is 4.0. The partial pressures (i