Question

Which statements are true?
I. When the color first disappears and returns in the flask then you can say end point has reached.
II. You record volume of the $HCl$ when equal amounts of $HCl$ and $NaOH$ are in the flask.
III. None is true.

• A. I only
• B. III only
• C. I and III
• D. II and III
• E. I, II, and III

Answer 1

Answer: (B)

III only

Only statement III is true.
I. When the color finally disappears and never returns in the flask then you can say endpoint has reached.
II. You record volume of the $HCl$ when equal moles of $HCl$ and $NaOH$ are in the flask. This is indicated by the colour change end point
III. None is true.