CHEMISTRY IMPORTANT QUESTIONS 2024 – In this article, we told you about CGBSE CHEMISTRY IMPORTANT QUESTIONS 2024 DOWNLOAD, So stay with us and share the article if you like our important questions 2024.
CGBSE CHEMISTRY IMPORTANT QUESTIONS 2024 DOWNLOAD
We will tell you about important question of chemistry in this article so stay with us and read all the topic because this topic is taken from model paper, question banks and previous year.
CG BOARD CHEMISTRY IMPORTANT QUESTIONS 2024
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- Solid State
- Crystalline Solid and Amorphous Solid
- Tetrahedral and octahedral voids
- FRANKEL AND SCHOTTKY DEFECTDiamagnetic, paramagnetic, ferromagneticmantiferromagnetism and ferrimagnetismSemiconductor, n-type and p type
FCC, BCC AND THEIR FORMED
TYPE OF CRYSTAL
Band theory and the difference between conductor, insulator and
semiconductor.
- Solution• Mole Fraction Numerical 9 (Normality, Molarity etc)• Raoults Law and Expression• Henry Law• Elevation Of Boiling Point and Freezing Point• Osmotic Pressure (Numerical)
• Colligative property
• Ideal and Nonideal Solutions
Rate of reaction and rate constant
Depression in freezing point
- Electrochemistry• Nernst Equation, electrochemical cell• Galvanic and electrolyte cell, Daniel cell• Kohlrausch law• faraday’s law, salt bridge• Electrolytic reduction cell of alumina and chemicalreaction.
• Difference between metallic conduction and electrolytic
conduction
- Chemical Kinetics• First Order Reactions• Half life period for 1st Order Reaction• Differentiate between the molecularity and order of areaction• Second Order Reaction, zero order
- Surface Chemistry• Distinction between Adsorption And Absorption• Comparison of Physisorption and Chemisorption• Emulsion, Enzyme Catalysis• Tyndall Effect, brownian movement• Dialysts, Electro dialysts• Haber process of manufacture of ammonia, Ostwald
process, contact process
• (i) Alcosol (ii) Aerosol (iii) Hydrosol
- General Principles And Isolation Of
Element• Distillation, Liquation, Electrolysis, Zone refining Vapourphase refining, Chromatographic methods• Blast Furnace, roasting, calcination and extraction of copper• Concentration Of ore (Parts)• Describe a method for refining nickel• Differentiate between “minerals” and “ores”.• Outline the principles of refining metals by the following
methods:
(i) Zone refining (ii) Electrolytic refining (iii) Vapour phase
refining
ORGANIC CHEMISTRY – CGBSE CHEMISTRY IMPORTANT QUESTIONS 2024 DOWNLOAD
• Friedel Craft Reaction
• Wurtz fittig reaction
• Riemer tiemann reaction
• Hoffmann’s bromide reaction
• Kolbe’s reaction
• Wurtz reaction
• Haloform reaction
• Sandmeyar reaction
• Schmidt reaction
• Iodoform (haloform) reaction
• Rosenmund reaction
• Gatterman Koch reaction
• Stephen reaction
MOST IMP – CGBSE CHEMISTRY IMPORTANT QUESTIONS 2024 DOWNLOAD
Difference between primary, secondary, and tertiary alcohol.
What are the different types of RNA found in cells?
What is the Kharasch Effect (Antimaknownikov’s) rule and mechanism?
What is DNA fingerprinting also its uses?
SN2 Mechanism
What happens when
• Grignard reagent is treated with CO2
• Carboxylic acid is treated with alcohol
• Acetaldehyde is treated with HCN
• Acetaldehyde is reacted with NaHSO3
• Acetic acid is reacted with Na metal.
What happens when : (Write only chemical equation)
(i) H2 gas is passed on acetyl chloride in the presence of
palladised barium sulphate.
(ii) Reduction of methyl cyanide in the presence of SnCl2
and HCL and then hydrolysed.
(iii) Calcium acetate is dry distilled.
(iv) Reaction of ethyl alcohol on acetaldehyde in the
presence of HCL gas.
(v) Acetaldehyde is reacted with Tollen’s reagent.
What happens when : (Give only chemical equations)
(i) Grignard reagent is treated with CO2.
(ii) Carboxylic acid is treated with alcohol.
(iii) Acetaldehyde is treated with HCN.
(iv) Acetaldehyde is reacted with NaHSO3.
(v) Acetic acid is reacted with Na metal.
Explain the following :
(i) Mono, di and trichloro acetic acid are stronger acids then acetic acid. Why?
(ii) The boiling point of carboxylic acids is higher than
alcohols of comparable molecular mass. Why?
(iii) The boiling point of ketone is somewhat more than the corresponding isomeric aldehyde. Why?
Ketones are less reactive than aldehydes, why?
Classification of polymer
• Addition polymer
• Condensation polymer
What is a tincture of iodine?
Name a substance which is used as an antiseptic as well as disinfectant.
Write preparation of phenol from cumene.
What are biodegradable polymers?
What are food preservatives?
Preparation of Glucose
Inorganic Chemistry
Write a general electronic configuration of transition elements and explain the following properties :
(a) Magnetic property (b) Catalytic property
Explain the laboratory method of preparation of ethylamine on the
following points : (i) Theory (ii) Chemical reaction (iii) Labelled
diagram
Explain the laboratory method for the preparation of nitrobenzene
on the following points : (i) Theory (ii) Chemical reaction (iii)
Labelled diagram
What are transition elements? Write their general electronic
configuration
With the help of electronic configuration of Cu+ and Cu2+, explain
which one is more paramagnetic.
K2Cr2O7 is a strong oxidising agent. Explain this with an example
along with equation
Write the structural formula of the following compounds : (i) Hexaamine cobalt (III) chloride (ii) Potassium tetracyano nickelate (II) ion
(iii) Tetra-hydroxo zincate (II) ion
Give the name and formula of oxy acids of Xe.
PCl5 is formed but NCl5 does not, why?
BF3 is a Lewis acid, why?
Explain the preparation of potassium dichromate and write its ionic
equation with the following : (a) Iron (b) H2S
Write the general electronic configuration of transition elements and explain their following properties : (a) Magnetic property (b)
Catalytic property