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- Some Basic Concepts of Chemistry
- Structure of Atom
- Classification of Elements & Periodicity in Properties
- Chemical Bonding & Molecular Structure
- States of Matter: Gases & Liquids
- Thermodynamics
- Equilibrium
- Redox Reactions
- Hydrogen
- S and P Block Elements
- Organic Chemistry - Basic Principles & Techniques
- Hydrocarbons
- Environmental Chemistry
- Solid State
- Solutions
- Electrochemistry
- Chemical Kinetics
- Surface Chemistry
- Isolation of Elements
- D and F Block Elements
- Coordination Compounds
- Haloalkanes & Haloarenes
- Alcohols, Phenols & Ethers
- Aldehydes, Ketones & Carboxylic Acids
- Organic Compounds Containing Nitrogen
- Biomolecules & Polymers
- Chemistry in Everyday Life
- Chapter Wise MCQ
- Topic Revision Notes
- Chapter Wise Formula
- Question Bank
- Notes
- General Principal and Processor of Isolation
Popular Questions
- The azeotropic mixture of water (b.pt. 100°C) and the HCI (b. pt. 85°C) boils at 108.5°C. Whe this mixture is distilled it is ..
- Standard electrode potential for Sn4+/Sn2+ couple is + 0.15 V and that for the Cr3+/Cr couple is - 0. 74 V. These two couples in ..
- A person living in Shimla observed that cooking food without using pressure cooker takes more time. The reason for this observati..
- Kf of 1,4-dioxane is 4.9 K-kg mol-1 for 1000 g. The depression in freezing point for a 0.001 m solution in dioxane is.
- 50 ml of hydrogen diffuses out through a small hole of a vessel, in 20 minutes. The time taken by 40 ml of oxygen to diffuse out ..
- Normality of 100 volume H2O2 is-
- The number of significant figures in 60.0001 are
- Decreasing order of size of isoelectronic series.
- A weak monobasic acid is 1% ionized in 0.1 m solution at
- In comparison to a 0.01 M solution of glucose, the depression in freezing point of a 0.01M MgCl2 solution is.
- Which of the following cannot be regarded as molecular solid?
- Equal volumes of two gases which do not react together are enclosed in separate vessels. Their pressures at 100 mm and 400 mm res..
- Molar conductivity of ionic solution depends on.
- Reduction potential for the following half-cell reactions are Zn= Zn2+ + 2e-; E0 = + 0.76 V; Fe= Fe2+ + 2e-; E0 = + 0.44 V.The sta..
- 50 ml of each gas A and of gas B take 150 and 200 seconds respectively for effusing through a pin hole under the similar conditio..
- Select incorrect statement:
- Two beakers of capacity of 500 ml were taken. One of these beakers, labeled as A, was filled with 400 ml water whereas the beaker..
- Pure Benzene freezes at 5.4° C. A solution of 0.223 g of phenyl acetic acid (C6H5CH2COOH) in 4.4 g of benzene (Kf= 5.12 K kg mol..
- Which polymer is used in the manufacture of paints and lacquers?
- An unripe mango placed in a concentrated salt solution to prepare pickle shrinks because.
- Energy equivalent to one erg, one joule and one calorie is in the order
- Which of the following solutions should have the highest boiling point?
- A certain gas takes three times as long to effuse out as helium. Its molecular mass will be
- Write short notes on monoclinic and triclinic crystal system. Give examples
- Molar conductivities (?m) at infinite dilution of NaCl, HCI and CH3COONa are 126.4, 425.9 and 91.0 S cm2 mol-1 respectively. (?m}..
- The elements in which s and p-orbitals are present
- The vapour pressure of benzene at 90°C is 1020 torr. A solution of 5 g of a solute in 58.5 g benzene has vapour pressure 990 tor..
- If freezing point of a solution prepared from 1.25 g of a non-electrolyte and 20 g of solvent is 271.9K, the molar mass of the so..
- A 5 ampere current is passed through a solution of zinc sulphate for 40 minutes. The amount of zinc deposited at the cathode is
- A base as defined by Bronstad theory, is a substance which can
- A mixture of 40 g of oxygen and 40 g of helium has a total pressure of 0.9 atm. The partial pressure of oxygen is
- Predict the products of electrolysis in each of the following:
- Nascent hydrogen consists of:
- Intermolecular forces between two benzene molecules are nearly of same strength as those between two toluene molecules. For a mix..
- Degree of dissociation of 0.1N CH3COOH is
- Which one of the following is not a common component of photochemical smog?
- Write short notes on
- If for a sucrose solution elevation in boiling point is 0.1 °C then what will be boiling point NaCl solultion for the same molal..
- The percentage of oxygen in NaOH is
