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Why does butan-2-ol have no effect on plane polarised light?

Butan-2-ol can be produced as a result of reducing butanone with NaBH4. The hydride ion in NaBH4 is used as a nucleophile which can attack the C on the (C=O )either above or below the plane, depending on ...

SK
Answered by Sunzida K. Chemistry tutor
7754 Views

Describe the mass flow hypothesis of translocation.

Photosynthesis occurs in the leaf (source), making sugars: fructose and glucose. These are converted to sucrose and are actively transported into the phloem (sieve tube element) by companion cells. The in...

SJ
Answered by Simran J. Biology tutor
25843 Views

To what extent is soil degradation an issue for humans? (introduction)

Soil is extremely important to sustain human life, with 95% of food coming from soil. Soil degradation has occurred globally due to mass farming and the use of unsustainable techniques such as using heavy...

Answered by Geography tutor
1767 Views

Explain the process of synaptic transmission

Electrical impulses are sent through a neuron’s axon which are translated into chemical signals at the terminal button. Here, vesicles containing neurotransmitters are released which fuse with the outer m...

Answered by Psychology tutor
2684 Views

To what extent is Brexit legitimate?

The Term Brexit relates to the United Kingdom leaving the European Union. In June 2016, David Camerons government launched a national referendum asking the general public if they were in favour of the sin...

1895 Views

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