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

Write applications of Kohlrausch’s Law.

Write three important steps required to determine molar conductivity.

Calculate molar conductivities at zero concentration for CaCl₂ and NaCl.

Given: molar ionic conductivities of Ca²⁺, Cl^–, Na⁺ ions are respectively, 104, 76.4, 50.1 Ω–1 cm^–2 mol^–1

Write relation between electrolytic conductivity and molar conductivity.

Write the IUPAC name of mesityl oxide.

What is the action of following reagents on acetaldehyde?

Acidified potassium dichromate

The following amines is the product of Gabriel phthalimide synthesis.

Mendius reaction is used to convert _____________

Name the process of breaking C-X bond by ammonia in preparation of amines.

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

Write the order of reactivity of alkyl halides with ammonia.

In chlorous acid, oxidation state of chlorine is _______.

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

Isopropyl amine

Write reactions to bring about the following conversions.

Acetamide to Ethylamine

Write reactions to bring about the following conversions.

Acetamide to methylamine

Elements of group 16 have lower ionization enthalpy values compared to those of group 15 elements. Explain why?

Explain Hoffmann’s exhaustive alkylation with suitable reactions.

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

Write reactions for the preparation of ethanamine using Gabriel phthalimide synthesis.

Why cannot aniline be prepared by Gabriel phthalimide synthesis?