HSC Science (Computer Science) 12th Standard Board Exam - Maharashtra State Board Question Bank Solutions

Rate constant for the reaction \[\ce{2N2O5 -> 4NO2 + O2}\] is 4.98 × 10^–4 s^–1. Find the order of reaction?

Write the number of moles of ethanoyl chloride required for complete acylation of N, N-dimethylaniline.

What is the action of nitrous acid on the following compounds?

Isopropyl amine

Sulfur dioxide reacts with sodium hydroxide solution to form _______.

Write chemical formula of galena.

The number of lone pairs of electrons present in ClF₅:

Draw structure and name the shape of bromine trifluoride.

How are amines classified depending on the functional group? Give one example of each class of amines.

Explain the trend in the following atomic properties of group 16 elements:

Electron gain enthalpy

What are chalcogens?

Discuss industrial method of preparation of sulfur dioxide from zinc sulfide and iron pyrites.

Glucose on oxidation with dilute nitric acid gives _______________

The glycosidic linkage in maltose is formed between _______________

The optically inactive α-amino acid among the following is _____________

The optically inactive α-amino acid among the following is _____________

The sugar component of nucleotide unit in RNA is _________________

The chemical nature of peptide bond in proteins is ____________

The chemical nature of peptide bond in proteins is ____________

In which of the following structure of DNA carries genetic information of the organism?

In the process of denaturation, there is NO change in the structure following protein.