CBSE Class 12 Science Chemistry Free Doubts and Solutions
CBSE - XII Science - Chemistry
The rate constant for the reaction A to B is k1 and for the reaction B to C is k2. Plot the graph of concentration versus time when 1. k1 >>k2 2. k2 >>k1
CBSE - XII Science - Chemistry
0.849 m solution of a non-volatile, non-electrolyte solute has the freezing point 0.156 degrees lower than that of benzene. What is the value of molal freezing point depression constant of benzene?
CBSE - XII Science - Chemistry
The molar specific heat capacity for a monoatomic gas, if it is expanding under the condition Pa V5/3 is
CBSE - XII Science - Chemistry
for a travelling wave travelling on a string Y = Asin(kx-wt) the potential energy per unit volume is
CBSE - XII Science - Chemistry
xKIO, +yKI+zHCl → alCl+bKCl+cH₂O (Balanced equation) x, y, z, a, b & c are coefficients in balanced equation (A) sum of coefficients x, y & z is 9 (B) sum of coefficients x, y & z is 7 (C) sum of coefficients a, b & c is 9 (D sum of coefficients a, b & c is 7
CBSE - XII Science - Chemistry
buten-2-al or but-2-enal Which one is correct ? (Organic Chemistry)
Browse free questions and answers Chapters
- 1 The Solid State
- 2 Solutions
- 3 Electrochemistry
- 4 Chemical Kinetics
- 5 Surface Chemistry
- 6 Isolation of Elements
- 7 The p-Block Elements
- 8 The d-Block and f-Block Elements
- 9 Coordination Compounds
- 10 Haloalkanes and Haloarenes
- 11 Alcohols, Phenols and Ethers
- 12 Aldehydes, Ketones and Carboxylic Acids
- 13 Amines
- 14 Biomolecules
- 15 Polymers
- 16 Chemistry in Everyday Life