📚NCERT Questions
1,675 solved questions with detailed explanations
Compounds that have the same molecular formula but different structures are called:
What indicates the presence of sulphur in Lassaigne's test when treated with sodium nitroprusside?
In Carius method, 0.15 g of an organic compound yielded 0.12 g of AgBr. What is the percentage of bromine in the compound? (Atomic mass Br=80, Ag=108)
In the electrolysis of water (Activity 1.7), a few drops of dilute sulphuric acid are added to the water. What is the purpose of adding sulphuric acid?
The carbonyl carbon atom in aldehydes and ketones is sp²-hybridised. Which of the following statements is true regarding its bonding?
The Born-Haber Cycle is an indirect method used to calculate which thermodynamic quantity for ionic compounds?
When a base reacts with certain metals, what are the general products formed?
For the reaction 2A <=> B + C, Kc = 2 x 10^-3. If at a given time, [A]=[B]=[C]=3 x 10^-4 M, in which direction will the reaction proceed?
If the equilibrium constant for the reaction H2(g) + I2(g) <=> 2HI(g) is Kc = x, what is the equilibrium constant for the reaction 2HI(g) <=> H2(g) + I2(g) at the same temperature?
Which of the following is an intensive property?