Ionic Radii and Ionisation Enthalpy (Group 2)
Trending Questions
Q. Discuss the dissociation of ionic compounds in aqueous solution.
Q. 8g of helium and 4g of h2 are present in a closed vessel at 127degree celcious.if pressure exerted by the gas mixture is 4.1atm then the vlume of thecontainer is
Q. Is molecule the smallest unit of covalent bond and is formula unit the smallest unit of ionic compound
Q. Complete the following crossword puzzle by using the name of the chemical elements.
6. The metal which exists in the liquid state at room temperature
6. The metal which exists in the liquid state at room temperature
Q.
State the inference drawn from the following observations:
On carrying out the flame test with a salt P a brick red flame.
What is the cation in P?
Q. Which of the following elements cannot give characteristics colouration to the flame
- Cs
- Ca
- Sr
- mg
Q. Ionization enthalpies of noble gases are higher than group 17 elements. Give reason.
Q. Magnesium impart pink colour to the flame.
- True
- False
Q. The yellow coloured flame is of
- Na
- K
- Ca
- Ba.
