Which of the following is not produced during the electrolysis of brine solution?

Which of the following compounds is not chiral?

Which one of the following is used in the preparation of cellulose nitrate?

The foci of the ellipse $\frac{x^2}{16} + \frac{y^2}{b^2} = 1$ and the hyperbola $\frac{x^2}{144} - \frac{y^2}{81} = \frac{1}{25}$ coincide. Then the value of $b^2$ is

One of the products formed from the reaction of permanganate ion with iodide ion in neutral aqueous medium is

If $\log (1+x) - \frac{2x}{2+x}$ is increasing, then