Popular Questions
- What are the chemical names & chemical formula of the following ores?
- If the temperature is increased from 10°C to 100°C, the rate of the reaction will become?
- The rate of a chemical reaction doubles for every 10°C rise of temperature. If the temperature is raised by 50°C, the rate of th..
- Ionic bonds are usually formed by combination of elements with
- Bond formed in Crystal by anion and cation is
- The species Ar, K+ and Ca2+ contain the same number of electrons. In which order do their radii increase
- Two elements X and Y have following electronic configurations X = 1s2, 2s2 2p6, 3s2 3p6, 4s2 and Y = 1s2, 2s2 2p6, 3s2 3p5. The e..
- An atom with atomic number 20 is most likely to combine chemically with the atom whose atomic number is
- The phosphate of a metal has the formula MPO4 . The formula of its nitrate will be
- Which form a crystal of NaCL
- Magnesium reacts with an element (X) to form an ionic compound. If the ground state electronic configuration of (X) is 1s2 2s2 2p3..
- Which of the following is an electrovalent linkage
- Which one is least ionic in the following compounds
- two element have electronegativity of 1.2 and 3.0. Bond formed between them would be
- chemical formula for calcium pyrophosphate is Ca2P2O7. The formula for ferric pyrophosphate will be
- Formula of a metallic oxide is MO. The formula of its phosphate will be
- The molecular formula of chloride of a metal M is MCL3. The formula of its carbonate would be
- Which of the following is least soluble
- When NaCL is dissolved in water, the sodium ion becomes
- electrovalent compounds do not have
- Electrovalent compounds are
- Solid NaCL is a bad conductor of electricity since
- The strongest bond is
- The interionic attraction depends on interaction of
- In the given bonds which one is most ionic
- Among The bonds formed by a chloride atom with atoms of hydrogen, chlorine, sodium and carbon, the strongest bond is formed betwee..
- What is the effect of more electronegative atom on the strength of ionic bond
- Which of the following compounds of chlorine contains both ionic and covalent
- The reaction CaCO3 ~ CaO+CO2 (g) goes to completion in lime kiln because
- All reactions which have chemical distintegration
- Which of the following is reversible process
- In the given reaction N2 + O2 - 2NO, equilibrium means that
- Which of the following is irreversible reaction
- In any chemical reaction, equilibrium is supposed to be established when
- In chemical reaction A - B , the system will be known in equilibrium when
- The number of gram molecules of a substance present in unit volume is termed as
- The free energy for a reversible reaction at equilibrium is
- which of the following statements regarding a chemical equilibrium is wrong
- For the synthesis of ammonia by the Reaction N2 + 3H2 - 2NH3 in the Haber process,the attainment of equilibrium is correctly predi..
- Which of the following conditions represents an equilibrium
