Chemistry MCQs
Topic Notes: Chemistry
MCQs and preparation resources for competitive exams, covering important concepts, past papers, and detailed explanations.
Plato
- Biography: Ancient Greek philosopher (427–347 BCE), student of Socrates and teacher of Aristotle, founder of the Academy in Athens.
- Important Ideas:
- Theory of Forms
- Philosopher-King
- Ideal State
1
What is the common chemical name for the compound known as blue vitriol?
Answer:
Copper Sulphate
Blue vitriol is the traditional name for copper(II) sulfate pentahydrate (CuSO4·5H2O). It is a bright blue crystalline solid that is commonly used in agriculture as a fungicide, in electroplating, and as a laboratory reagent for various chemical tests.
2
The compound (CH3)3COH according to IUPAC is known as ___________?
Answer:
2,2-Dimethyl-propanol
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3
During wrought iron production, what form do Mg, Si, and P take when removed?
Answer:
slag
In wrought iron production, impurities like Mg, Si, and P are removed as slag, which is a compound that is formed when these impurities react with the flux used in the process, typically limestone or dolomite.
4
What type of compounds are attracted by a strong magnetic field?
Answer:
paramagnetic
Compounds that are attracted to a strong magnetic field are referred to as paramagnetic. This occurs when the internal magnetic dipoles of the atoms in the compound align with the applied magnetic field, resulting in a net magnetic attraction.
5
Homogeneous mixture of two or more than two compounds is called__________________?
Answer:
solution
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6
The species which donate two electron pairs in a coordination compound is called__________________?
Answer:
bi-dentate ligand
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7
What is the IUPAC nomenclature classification for pyridines?
Answer:
Azine
IUPAC nomenclature is a standardized system for naming chemical compounds. Pyridines are classified under the Azine category, which is a heterocyclic amine with a six-membered ring containing nitrogen.
8
Which compound will readily undergo sulphonation ?
Answer:
Toluene
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9
Carbohydrates are polyhydroxy compounds of___________________?
Answer:
Aldehydes and ketones
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10
The compound which is added to leaded gasoline to save engine from lead oxide and lead sulphate deposits is__________________?
Answer:
Ethylene bromide
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