UNITED BOOK HOUSE-MODEL QUESTION PAPER 8-EXERCISE
- Calculate the bond energy of O-H bond in H(2)O(g) at the standard stat...
Text Solution
|
- Calculate the bond energy of O-H bond in H(2)O(g) at the standard stat...
Text Solution
|
- The latent heat of fusion of ice at 0^@C is 6025.24 J. mol^-1. Calcula...
Text Solution
|
- What will be the change in entropy in an irreversible cyclic process ?
Text Solution
|
- What is the oxidation number of Fe atom in K4[Fe(CN)6] molecule?
Text Solution
|
- Balance the following Chemical equation by oxidation number method :-C...
Text Solution
|
- Balance by ion electron method : Zn + NaNO3 rarr Na2ZnO2 + NH3 + H2O
Text Solution
|
- Mention the oxidation number of Cr atom in CrO5 molecule.
Text Solution
|
- What do you mean by ortho and para hydrogen ? explain why the chemical...
Text Solution
|
- Lithium forms monoxide while sodium forms peroxide in the presence of ...
Text Solution
|
- Which alkali metal is used for making photoelectric cells?
Text Solution
|
- Both alkaline earth metals and their salts are diamagnetic in nature e...
Text Solution
|
- What happens when sodium peroxide dissolves in water.
Text Solution
|
- Dipole moment of vinyl chloride (CH2 = CHCI) is less than ethyl chlori...
Text Solution
|
- Arrange the following ions in order of increasing basicit :- CH3CH2, C...
Text Solution
|
- Which of two : O2N < H2CH2O or CH3CH2O^(-) is more stable and why?
Text Solution
|
- Give example of an ambident nucleophile.
Text Solution
|
- A 0.l (M) solution of acetic acid is 1.34% ionised at 25^@C. Calculate...
Text Solution
|
- consider the reaction aX2(g)+bY2(g)overset(rarr)(larr)XY(g) theat and ...
Text Solution
|
- What will be the effect of addition of an inert gas in the following e...
Text Solution
|