UNITED BOOK HOUSE-MODEL QUESTION PAPER 3-EXERCISE
- Explain— Boron is unable to form BF6^(3-) ion.
Text Solution
|
- What are fullerenes? How are they prepared?
Text Solution
|
- Name IUPAC name of the following :
Text Solution
|
- Name IUPAC name of the following :
Text Solution
|
- Identify electrophilic centre in the following : CH3CHO andCH3CN.
Text Solution
|
- Name two components of photochemical smog and mention one.of the harmf...
Text Solution
|
- An atom of an element contains 2. 8 and 5 electrons in K, L and M shel...
Text Solution
|
- An atom of an element contains 2. 8 and 5 electrons in K, L and M shel...
Text Solution
|
- 2nd Ionisation potential of oxygen is greater than 2nd ionisation pote...
Text Solution
|
- What is transitional element.
Text Solution
|
- Atomic number of three elements A. B and C are 10, 13 and 17 respectiv...
Text Solution
|
- Atomic number of three elements A. B and C are 10, 13 and 17 respectiv...
Text Solution
|
- Atomic number of three elements A. B and C are 10, 13 and 17 respecti...
Text Solution
|
- Why Cl2 molecule exists but not Ne2 molecule.
Text Solution
|
- Give an example of a molecule which violets octet rule.
Text Solution
|
- Between N2O and NO2 molecules which one is more polar? Explain.
Text Solution
|
- Mention the state of hybridasation of the .central atom in the followi...
Text Solution
|
- Calculate the total pressure in a mixture of 8g of oxygen and 4 g of h...
Text Solution
|
- What property of molecules of real gases is indicated by van der Waal’...
Text Solution
|
- State and explain the first law of thermodynamics.
Text Solution
|