Chemistry questions
29404 published questions with worked solutions.
- A first row transition metal (M) does not liberate H_2 gas from dilute HCl. 1 mol of aqueous solution of MSO_4 is treated with...
- The correct order of reactivity of CH_3Br in methanol with the following nucleophiles is F^-, I^-, C_2H_5O^- and C_6H_5O^-
- Match the LIST-I with LIST-II List-I (Thermodynamic Process): (A) Work done in reversible, isothermal expansion of 2 mol of ideal...
- Given below are two statements: Statement I: Benzene is nitrated to give nitrobenzene, which on further treatment with...
- Match the LIST-I with LIST-II List-I (Reagents): (A) NH_2-NH_2, KOH (B) Ag(NH_3)_2OH (C) Aq. CuSO_4, Sodium Potassium tartarate,...
- Given below are two statements: Statement I: The halogen that makes longest bond with hydrogen in HX, has the smallest covalent...
- Given below are two statements: Statement I: Sucrose is dextrorotatory. However sucrose upon hydrolysis gives a solution having...
- 'A' is a neutral organic compound (M. F: C_8H_9ON). On treatment with aqueous Br_2/HO^-, 'A' forms a compound 'B' which is...
- Two p-block elements X and Y form fluorides of the type EF_3. The fluoride compound XF_3 is a Lewis acid and YF_3 is a Lewis...
- As compared with chlorocyclohexane, which of the following statements correctly apply to chlorobenzene? A. The magnitude of...
- Given below are two statements: Statement I: The Henry's law constant K_H is constant with respect to variations in solution's...
- Consider the following electrochemical cell at 298 K Pt|HSnO_2^-(aq)|Sn(OH)_6^ 2- (aq)|Bi_2O_3(s)|Bi(s). If the reaction quotient...
- The temperature at which the rate constants of the given below two gaseous reactions become equal is _____ K. (Nearest integer)....
- Dissociation of a gas A_2 takes place according to the following chemical reaction. At equilibrium, the total pressure is 1 bar...
- At T(K), 100 g of 98 % H_2SO_4 (w/w) aqueous solution is mixed with 100 g of 49 % H_2SO_4(w/w) aqueous solution. What is the mole...
- A + 2 B AB2. 36.0 g of 'A' (Molar mass : 60 g mol⁻¹) and 56.0 g of 'B' (Molar mass : 80 g mol⁻¹) are allowed to react. Which of...
- Given below are two statements : Statement-I: The first ionization enthalpy of Cr is lower than that of Mn. Statement-II : The...
- Correct statements regarding Arrhenius equation among the following are : (A) Factor e^ -Ea/RT corresponds to fraction of...
- Given below are two statements : Statement-I : Element 'X' and 'Y' are the most and least electronegative elements, respectively...
- Match List-I with List-II. List-I (Reaction of glucose with): (A) Hydroxylamine (B) Br_2 water (C) Excess acetic anhydride (D)...