Practice Questions

TLS Online TPP Program

#Question id: 443

The free energy for ATP hydrolysis in vivo is actually greater than the standard free energy change of -30 kJ mol-1 because

#SCPH06 I Botany

it has stronger electrostatic repulsion.
of the actual concentrations of ATP and its hydrolysis products in cells.
it can easily be formed from other nucleotide triphosphates.
it can participate in phosphoryl group transfers.

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TLS Online TPP Program

#Question id: 19659

#SCPH05 I Biotechnology

What is the catalyst in the chloroalkane reaction of a primary alcohol with HCl?

TLS Online TPP Program

#Question id: 19660

#SCPH05 I Biotechnology

When ethanol combines with PCl5, it produces three products: chloroethane, hydrochloric acid, and ______. What is the third item on the list?

TLS Online TPP Program

#Question id: 19661

#SCPH05 I Biotechnology

Which of the following substances has the highest melting point?

TLS Online TPP Program

#Question id: 19662

#SCPH05 I Biotechnology

Which sequence should isomeric dichlorobenzenes be boiled in?

TLS Online TPP Program

#Question id: 19663

#SCPH05 I Biotechnology

Which of the following statements about the interaction between C2H4 and Cl2 in CCl4 is incorrect?

TLS Online TPP Program

#Question id: 19664

#SCPH05 I Biotechnology

To get carboxylic acids directly from alcohol, which of the following oxidising agents is used?