AIPMT 2012 Preliminary Mock Test

Identify the wrong statement in the following:

In a zero-order reaction for every $10^{\circ }$ rise of temperature, the rate is doubled. If the temperature is increased from $10^{\circ }\text{C}$ to $100^{\circ }\text{C}$, the rate of the reaction will become:

Which of the statements is NOT true?

In which of the following reactions, standard reaction entropy change ($\Delta S^{\circ }$) is positive and standard Gibb’s energy change ($\Delta G^{\circ }$) decreases sharply with increasing temperature?

When ${\text{Cl}}_2$ gas reacts with hot and concentrated sodium hydroxide solution, the oxidation number of chlorine changes from: