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

Define the term cell constant.

How is alkyl halide converted into alcohol by using?

Aqueous NaOH (or KOH)

How is alkyl halide converted into alcohol by using Moist silver oxide?

What is double salt?

What are actinoids? Give their general electronic configuration.

Identify the conjugate acid-base pairs in the reaction,

\[\ce{CH3COOH(aq) + NH3(aq) <=> NH^+_4(aq) + CH3COO^-(aq)}\]

Name the distinguishing test for differentiating 1° amine from 2° and 3° amine.

Discuss the trend in the following in case of groups 16, 17 and 18 elements.

Atomic and ionic radii

Discuss the trend in the following in case of groups 16, 17 and 18 elements.

Ionization enthalpy

Discuss the trend in the following in case of groups 16, 17 and 18 elements.

Electron gain enthalpy

Write the relation between molar conductivity and molar ionic conductivities for the electrolytes:

1. Na₂SO₄
2. AlCl₃

How many principles does green chemistry have?

Explain the preparation of alkyl halide using thionyl chloride (SOCl₂).

What is the advantage of alkyl halide using the thionyl chloride (SOCl₂ ) method?

What do you know about counter ion?

Define Amines.

Show that the half-life of zero order reaction is `t_(1/2) = ([A]_0)/(2k)`.

Identify A and B in the following reaction.

\[\ce{C6H5CH2Br ->[Alco.][KCN] A ->[Na/Ethanol][reduction] B}\]

The IUPAC name of is ______.

Write the name of the monomer of natural rubber.