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Chemistry
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Describe what you would see when a piece of potassium is placed on water. Why does this happen?

THe potassium would move around on the water and fizz. This is because it is an alkali metal that reacts with the water. 2K + 2H2O --> 2KOH + H2. The fizzing is the result of this reaction. Discussion ...

NM
Answered by Ndaba M. Chemistry tutor
8240 Views

What is the difference between benzene and cyclohexene?

Benzene, aromatic and unsaturated compound which alternating double bonds. Benzene only reacts with bromine when a catalyst is present. Cyclohexene will react with bromine readily, a saturated molecule wi...

IB
Answered by Imogene B. Chemistry tutor
39250 Views

What is the difference between Covalent and Ionic bonding?

Consider NaCl and CCl4, the first compound is dominated by ionic bonding, whereas the second covalent.

Ionic bonding involves a cation (Na+) and an anion (Cl-), where strong electrostatic interacti...

JT
Answered by Joshua T. Chemistry tutor
7958 Views

Name an appropriate reducing agent to convert ethanal to ethanol

NaBH4

LW
Answered by Louis W. Chemistry tutor
4066 Views

Why are molecules coloured?

Generally, molecules are coloured as they absorb visible frequencies of light, to promote an electron to a higher energy level, so the other (complementary) frequencies of light pass through the sample an...

CB
Answered by Callum B. Chemistry tutor
3911 Views

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