Science (English Medium) Class 12 - CBSE Question Bank Solutions for Chemistry

Which of the following is the correct increasing order of packing efficiency for hcp, bcc and simple cubic lattice?

When molten zinc is converted into the solid state, it acquires hcp structure. The number of nearest neighbours of Zn will be ____________.

PCl₅ is possible but NCl₅ does not exist:

The product obtained from the reaction is:

Intermolecular hydrogen bonding is strongest in ______.

Phenols do not react with one of the following:

Phenol is more acidic than alcohol because ____________.

Acidity of phenol is due to ____________.

The ionization constant of phenol is higher than that of ethanol because ____________.

Which of the following carbohydrates are branched polymers of glucose?

(i) Amylose

(ii) Amylopectin

(iii) Cellulose

(iv) Glycogen

In the following compounds:

The order of acidity is

In CH₃CH₂OH, the bond that undergoes heterolytical change most readily is ____________.

Phenol reacts with Br₂ in CS₂ at low temperature to give ____________.

Strength of acidity is in order:

Which of the following compounds is most acidic?

In which pair is most efficient packing is present?

'A' is:

Which one of the following compounds has the most acid nature?

Arrange the following in decreasing order of acidic character: