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By considering the mechanism of the two step reaction of butanone and NaBH4 followed by dilute acid, explain why the product has no effect on plane polarised light.

CH 3 -CO-CH 2 -CH 3 + 2[H] --> CH 3 -CHOH-CH 2 -CH 3 NaBH 4 is a reducing agent that effectively produces an H - ion to act as the reducing agent. The H - ion attacks the electrophilic carbon centre (elec...
AJ
Answered by Alex J. • Chemistry tutor
17202 Views

Given that y=(4x+1)^3*sin(2x) , find dy/dx

y=(4x+1)^3 sin(2x) - this is a product of two functions of x. It can be rewritten as y = u(x) v(x) ; where u(x) = (4x+1)^3 and v(x) = sin(2x) Using the product rule: dy/dx = u'(x) v(x) + v'(x) u(x) where the...
CD
Answered by Chris D. • Maths tutor
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Define "prerogative power" and describe the impact of the GCHQ case on our understanding of royal prerogative

Albert Venn Dicey describes prerogative power as “every act which the executive government can lawfully do without the authority of an Act of Parliament.” This definition, accepted by the courts in Council o...
AC
Answered by ANNA C. • Law tutor
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What is the difference between a priori and a posteriori knowledge?

A priori knowledge is prior to sense experience (thus 'priori'). For example, even prior to actually going out into the world and doing experiments, one could simply close their eyes, think, and deduce that ...
JL
37898 Views

What is the difference between a dynamic and a static data structure?

A dynamic data structure is one that is not fixed in size and may not be contiguous in the computer's main memory. This is implemented through the use of pointers which 'point' to the location of the next it...
TD
Answered by Toby D. • Computing tutor
16331 Views