HSC Science (General) 12th Standard Board Exam - Maharashtra State Board Question Bank Solutions for Chemistry

How are amines classified?

Answer the following

Give two examples of catalysts.

The charge on metal ion in [Fe(CN)₆]⁴⁻ is _________

Hybridization of cobalt in [Co(NH₃)₆]³⁺ complex ion is _____________

The geometry of [CoF₆]^3– complex ion is _______.

Draw structure of Ethylenediaminetetraacetate ion.

Write coordination number of Fe³⁺ in [Fe(C₂O₄)₃]³⁻ complex ion.

Write chemical composition of carnalite.

Write oxidation number of iron in [Fe(CO)₅]

Write four postulates of Werner’s theory.

Distinguish between double salt and coordination complex.

Define Anionic sphere complex.

Define coordination number.

Aromatic electrophilic substitution with iodine can be carried out using _____________

Name the reagent used to convert alkyl halide to ester.

A compound is made up of two elements X and Y and crystallizes in bcc structure. Atoms of X are present at the corners of the cube. Atoms of Y are present at the centre of the cube. The formula of the compound is ______.

Sodium crystallizes in bcc structure. If the edge length of unit cell is 4.3 × 10^-8 cm, the radius of Na atom is ______.

Give reason. Though alkyl halides are moderately polar, they are insoluble in water.

Classify the following solid:

Pb

A compound crystallizes in bcc structure. What is unit cell edge length if diameter of its atom is 120 pm?