The alkaline CuSO(4) containing sodium p...

The alkaline `CuSO_(4)` containing sodium potassium tartrate does not react with

`CH_(3)CHO`

`C_(2)H_(5)CHO`

`C_(6)H_(5)CH_(2)CHO`

`C_(6)H_(5)CHO`

Text Solution

AI Generated Solution

The correct Answer is:

To solve the question, "The alkaline `CuSO4` containing sodium potassium tartrate does not react with," we need to understand the context of the reaction and the substances involved. ### Step-by-Step Solution: 1. **Understanding the Reaction**: The alkaline `CuSO4` solution containing sodium potassium tartrate is known as Fehling's solution. This solution is used to test for the presence of aldehydes. 2. **Identifying the Reactivity**: Fehling's solution reacts with aldehydes to produce a red precipitate of copper(I) oxide (Cu2O). However, not all aldehydes react with it. 3. **Aromatic Aldehydes**: Aromatic aldehydes, such as benzaldehyde (C6H5CHO), do not react with Fehling's solution. This is because the carbonyl group (C=O) in aromatic aldehydes is stabilized by resonance with the benzene ring, making it less susceptible to oxidation. 4. **Conclusion**: Since the question asks which compound does not react with alkaline `CuSO4` containing sodium potassium tartrate, the answer is an aromatic aldehyde. Specifically, benzaldehyde (C6H5CHO) does not react with this solution. ### Final Answer: The alkaline `CuSO4` containing sodium potassium tartrate does not react with **benzaldehyde (C6H5CHO)**.

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The sodium-potassium pump :

utilizes a carrier protein and energy

concentrates sodium on the outside of the membrane

helps establish an electrochemical gradient across the membrane

all of the above are correct

Sodium-potassium pump transports

`Na^+ and K^+` out of the neuron

`Na^+ and K^+` into the neuron

`Na^+` into the neuron and `K^+` out of the neuron

`K^+` into the neuron and `Na^+` out of the neuron

What happens when an alkaline solution of potassium ferricyanide is reacted with H_(2)O_(2) ?

Potassium ferricyanide is oxidised to potassium ferrocyanide becomes colourless and `H_(2)O_(2)` is oxidised.

Potassium ferricyanide becomes colourless and `H_(2)O_(2)` is oxidised to `O_(2)`.

Potassium ferricyanide is reduced to ferric hydroxide and `H_(2)O_(2)` is oxidised to `H_(2)O`.

Potassium ferricyanide is reduced to potassium ferrocyanide and `H_(2)O_(2)` is oxidised to `O_(2)`.