Most important questions from Coordination Compounds - XII CBSE
1. Define Linkage Isomerism. Give an example of linkage isomerism. 2. Define Coordination Isomerism. Give an example of coordination...
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Vikas Yadav
- Mar 11, 2021
- 2 min
Most important questions from Alcohol, Phenol and Ethers - XII CBSE
Important questions from Alcohol, Phenol and Ethers 1. Write the structure of the molecule of a compound whose IUPAC name is...
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Vikas Yadav
- Feb 11, 2021
- 2 min
Top 10 Question for CBSE Board Exam - 01, Class XII CBSE Chapter – Solution
Top 10 Question for Board Exam - 01 Chapter – Solution 1. Define the following terms molarity, molality and mole fraction. What is the...
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Vikas Yadav
- Feb 9, 2021
- 1 min
Top 10 Question for CBSE Board Exam - 02 Chapter - Solid State
1. Which stoichiometric defect does not change the density of the crystal? 2. What type of stoichiometric defect is shown by AgCl? 3....
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Vikas Yadav
- Feb 8, 2021
- 2 min
Top 10 Question for Board Exam - 01 Chapter - Solid State
Top 10 Question for Board Exam - 01 Chapter - Solid State 1. “Crystalline solids are anisotropic in nature.” What does this statement...
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Vikas Yadav
- Jan 23, 2021
- 1 min
Class XII, CBSE, Chemistry Sample Paper 2021 - by Educart
https://t.me/gurucoolclasses/99 - Sample Paper https://t.me/gurucoolclasses/100 - Solution
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Vikas Yadav
- Jan 21, 2021
- 1 min
Class 12 Chemistry Standard XII 11 Years CBSE Champion Chapterwise Topicwise Questions and Solutions
Class 12 Chemistry Standard XII 11 Years CBSE Champion Chapterwise Topicwise Questions and Solutions NCERT( 2007 to 2017 ) Useful for IIT...
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Vikas Yadav
- Nov 3, 2020
- 1 min
Concentrated nitric acid used in laboratory work is 68% nitric acid by mass in aqueous solution.....
Concentrated nitric acid used in laboratory work is 68% nitric acid by mass in aqueous solution. What should be the molarity of such a...
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Vikas Yadav
- Sep 21, 2020
- 1 min
Copper has the fcc crystal structure. Assuming an atomic radius of 130pm for copper atom (Cu = 63.54
Copper has the fcc crystal structure. Assuming an atomic radius of 130pm for copper atom (Cu = 63.54): (a) What is the length of unit...
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Vikas Yadav
- Sep 21, 2020
- 1 min
Calculate the ratio of the alkali metal bromides on the basis of the data given below and predict th
Calculate the ratio of the alkali metal bromides on the basis of the data given below and predict the form of the crystal structure in...
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Vikas Yadav
- Sep 21, 2020
- 1 min
The unit cell of silver iodide (AgI) has 4 iodine atoms in it. How many silver atoms must be there i
The unit cell of silver iodide (AgI) has 4 iodine atoms in it. How many silver atoms must be there in the unit cell. ANSWER - The...
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Vikas Yadav
- Sep 21, 2020
- 1 min
The radius of a calcium ion is 94 pm and of an oxide ion is 146 pm. Predict the crystal structure of
The radius of a calcium ion is 94 pm and of an oxide ion is 146 pm. Predict the crystal structure of calcium oxide. Answer - The ratio...
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Vikas Yadav
- Sep 20, 2020
- 7 min
Molecular formula of Some Chemical Compounds
Compound name Molecular weight Molecular formula 1 Acetic acid 60.052 g/mol CH3COOH 2 Hydrochloric acid 36.458 g/mol HCl 3 Sulfuric...
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Vikas Yadav
- Aug 24, 2020
- 1 min
H2S, a toxic gas with rotten egg like smell, is used for the qualitative analysis. If the solubility
H2S, a toxic gas with rotten egg like smell, is used for the qualitative analysis. If the solubility of H2S in water at STP is 0.195 m,...
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