The substance which can produce brisk effervescence with baking soda solution is:

(a) ethanol
(b) vegetable oil
(c) vinegar
(d) soap solution(b) hydrocarbon ends directed towards the centre and ionic ends directed outwards
In a soap micelle, the soap molecules are arranged radially with the hydrocarbon ends, i.e. hydrophobic, directed towards the centre; and, ionic ends, i.e. hydrophilic, directed outwards.

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Solution

(c) vinegar
Vinegar can produce brisk effervescence with the baking soda solution.

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Similar questions

In a soap micelle, the soap molecules are arranged radially with :
(a) ionic ends directed towards the centre and hydrocarbon ends directed outwards
(b) hydrocarbon ends directed towards the centre and ionic ends directed outwards
(c) both ionic ends and hydrocarbon ends directed towards the centre
(d) both hydrocarbon ends and ionic ends directed outwards

Q. The substance which can produce brisk effervescence with baking soda solution is:

(a) ethanol
(b) vegetable oil
(c) vinegar
(d) soap solution

Draw neat labelled diagrams to show the hydrophobic and hydrophilic ends of a soap and micelle. [3 MARKS]

Q. Question 14
In the soap micelles
(a) The ionic end of soap is on the surface of the cluster while the carbon chain is in the interior of the cluster.
(b) Ionic end of soap is in the interior of the cluster and the carbon chain is out of the cluster.
(c) Both ionic end and carbon chain are in the interior of the cluster.
(d) Both ionic end and carbon chain are on the exterior of the cluster.

Q. The principle of centrifugation is that the denser substances move outwards in radial direction and the lighter substances move towards center.

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(c) vinegarVinegar can produce brisk effervescence with the baking soda solution.

(c) vinegar
Vinegar can produce brisk effervescence with the baking soda solution.