Electro Chemistry — Chemistry STD 12 — Question

Assertion(A): Artificial sweeteners are added to the food to control the intake of calories.
Reason (R): Most of the artificial sweeteners are inert and do not metabolise in the body,

Which of the following compounds are optically active?

Which of the following is an example of zero order reaction?

Consider the following statements.
(i) Amines have higher boiling point than alcohols.
(ii) Lower aliphatic amines are colourless gases whereas higher amines have fish like small.
(iii) Aniline and arylamines are colourless but when exposed to air they become coloured due to oxidation.
Which of the above statement(s) is / are correct?

Consider the following statements.
(i) Higher the concentration, slower is the possibility for collision and rate also slower
(ii) Increase in surface area of reactant leads to more collisions per litre per second
(iii) Gas phas reactions are slower as compared to solid or liquid reactants
Which of the above statement is/are not correct?

As the temperature increases, the pH of KOH solution ……………..