Science (English Medium) इयत्ता १२ - CBSE Question Bank Solutions for Chemistry

What is the coordination number in a square close packed structure in two dimensions?

Nitrogen forms N₂, but phosphorus is converted into P₄ from P, the reason is:

Pentavalence in phosphorus is more stable when compared to that of nitrogen even though they belong to the same group. This is due to ____________.

Which of the following elements does not form stable diatomic molecules?

Which gas cannot be collected over water?

Which of the following compounds has the highest boiling point?

How many structural isomers are possible for a compound with the molecular formula C₃H₇Cl?

Which of the following halide is 2°?

The decreasing order of boiling points of alkyl halides is:

Which of the following is liquid at room temperature (b.p. is shown against it)?

Which of the following possesses the highest melting point?

Mg reacts with RBr best in ____________.

Isomerization of glucose produces ____________.

Which of the following statement is correct about fructose?

Fructose is ____________.

The sugar present in fruits is ____________.

The sugar present in honey is ____________.

Which of the following is the sweetest sugar?

p-dichlorobenzene has a higher melting point than its o- and m-isomers because ____________.

In NaCl structure ____________.