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Name and explain the three types of isomerism present in organic compounds.

There are three types of isomerism:1) Structural isomerism - Occurs when compounds which have the same molecular formula (eg. C4H9Br1) but have different atomic arrangements. Eg. CH2Br-CH2-CH2-CH3CH3-CHBr-CH...
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Answered by Jonny M. • Chemistry tutor
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When solving a trigonometric equation, like sin(x) = -1/3 for 0 ≤ x < 2π, why do I get an answer outside the range? Why are there many correct answers for the value of x?

Drawing the graphs of the trigonometric functions sin, cos &amp; tan, we can see that they all extend along the x-axis to infinity. Indeed, the sin &amp; cos functions move between 1 and -1 on the y-axis, an...
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Answered by Alexandra G. • Maths tutor
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Why do some past participles agree, even with 'avoir'?

The general rule is that past participles taking 'avoir' as the auxiliary do not agree. However, consider this example:&quot;Avez-vous acheté la voiture ?&quot; &quot;Oui, je l' ai acheté e hier.&quot;You wi...
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Answered by Daniel F. • French tutor
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What is meant by the Oedipus Complex in Hamlet?

The Oedipus Complex is a Freudian idea (which comes from the psychologist Sigmund Freud). It poses that a young boy holds an unconscious sexual desire towards his mother, and this comes to manifest in differ...
KH
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How is a nervous impulse transmitted across a synapse?

An action potential (AP) reaches the pre-synaptic membrane. This causes the voltage-gated calcium channels to open, and calcium ions flow down their concentration gradient into the pre-synaptic terminal. Thi...
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Answered by Teodora N. • Biology tutor
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