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12th Tamil Nadu Board
IMPORTANT
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The source of nitrogen in Gabriel synthesis of amines is _____.

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Important Questions on Solved Chemistry Paper-2

EASY
12th Tamil Nadu Board
IMPORTANT
Chemistry Crash Course (Based on Revised Syllabus-2023)>Chapter 17 - p-Block Elements-I>Exercise>Q 10

Give reason why graphite is used as a lubricant?

HARD
12th Tamil Nadu Board
IMPORTANT
Chemistry Crash Course (Based on Revised Syllabus-2023)>Chapter 17 - p-Block Elements-II>Exercise>Q 34
Write a short note on the discovery of the first compound of a noble gas.
MEDIUM
12th Tamil Nadu Board
IMPORTANT
Chemistry Crash Course (Based on Revised Syllabus-2023)>Chapter 17 - Coordination Chemistry>Exercise>Q 16
Give evidence that CoNH35ClSO4 and CoNH35SO4Cl are ionisation isomers.
HARD
12th Tamil Nadu Board
IMPORTANT
Chemistry Crash Course (Based on Revised Syllabus-2023)>Chapter 17 - Chemical Kinetics>Exercise>Q 5
The decomposition of NH3 on platinum surface is zero order reaction. What are the rates of production of N2 and H2. If k=2.5×10-4 mol L-1 sec-1?
EASY
12th Tamil Nadu Board
IMPORTANT
Chemistry Crash Course (Based on Revised Syllabus-2023)>Chapter 17 - Electro Chemistry>Exercise>Q 15
Discuss briefly the function of the salt bridge in an electrochemical cell.
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12th Tamil Nadu Board
IMPORTANT
Chemistry Crash Course (Based on Revised Syllabus-2023)>Chapter 17 - Carbonyl Compounds And Carboxylic Acids>Exercise>Q 4
Dipole moments of aldehydes and ketones are higher than the alcohols. Why?
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12th Tamil Nadu Board
IMPORTANT
Chemistry Crash Course (Based on Revised Syllabus-2023)>Chapter 17 - Biomolecules>Exercise>Q 28
Nucleotides in DNA are linked by
MEDIUM
12th Tamil Nadu Board
IMPORTANT
Chemistry Crash Course (Based on Revised Syllabus-2023)>Chapter 17 - Solved Chemistry Paper-2>Exercise>Q 15
Which of the following chemicals can be added for sweetening of food items at cooking temperature and does not provide calories?