Chemistry questions
29404 published questions with worked solutions.
- Some of the group II metal halides are covalent and soluble in organic solvents. Among the following metal halides, the one which...Not in JEE Main or NEET syllabus
- The blue colour of the solution of sodium in liquid ammonia is due toNot in JEE Main or NEET syllabus
- Which of the following pair cannot exist together in solution?
- Sodium hydroxide is prepared by the electrolysis of sodium chloride solution and the electrodes used as cathode and anode are...
- In the manufacture of NaOH by the electrolysis of NaCl solution, the cathode and anode are separated using a diaphragm because
- Hydrogen gas is liberated in the reaction of sodium hydroxide withNot in JEE Main or NEET syllabus
- LiAlH_4 act as
- What is A in the following reaction LiAlH_4 + PCl_3 A + AlCl_3 + LiCl
- Product of the following reaction is LiH + AlCl_3
- The correct trend of melting point and boiling point of alkali metal halides isNot in JEE Main or NEET syllabus
- The low solubility of LiF and CsI is due to
- The carbonates and hydrogen carbonates of alkali metals are highly stable. Their stabilityNot in JEE Main or NEET syllabus
- Lithium being very small in size, polarises a large CO_3^ 2- ion leading to the formation of more stable
- Hydrogen carbonate of lithium does not exist in solid state due toNot in JEE Main or NEET syllabus
- The alkaline earth metals have smaller size than those of corresponding alkali metals. This is due to
- The second ionisation enthalpy of the alkaline earth metals are smaller than that of corresponding group I metals. This is due to
- The reducing power of a metal depends on various factors. Suggest the factor which makes Li, the strongest reducing agent in...
- When NaOH is made, the gas released at the cathode is
- A combustible gas is liberated when caustic soda solution is heated withNot in JEE Main or NEET syllabus
- Element A burns in nitrogen to give an ionic compound B. Compound B reacts with water to give C and D. The solution of C becomes...Not in JEE Main or NEET syllabus