Fill in the blanks by choosing the appropriate word(s) from those given in the brackets: [stable…

Fill in the blanks by choosing the appropriate word(s) from those given in the brackets: [stable, low, aldehyde, unstable, 6, 4, ethane, Clemmensen’s, 2, 3, carboxylic acid, high, propane, Rosenmund’s] (i) The primary alcohols are easily oxidised first into ____ and then into ____. (ii) The intermediate activated complex in a chemical reaction is highly ____ due to ____ energy. (iii) The coordination number and oxidation state of the complex $\text{K}_4[\text{Fe}(\text{CN})_6]$ are ____ and ____ respectively. (iv) Propanone on reaction with zinc amalgam in the presence of conc. $\text{HCl}$ gives ____ and the reaction is known as ____ reduction.

Select and write the correct alternative from the choices given below: (i) The reaction of a primary amine with chloroform and ethanolic $\text{KOH}$ is called: (a) Carbylamine reaction (b) Kolbe’s reaction (c) Reimer-Tiemann reaction (d) Wurtz-Fittig reaction (ii) Which one of the following statements is TRUE for the Galvanic cell? (a) Electrons flow from copper electrode to zinc electrode. (b) Current flows from zinc electrode to copper electrode. (c) Cations move towards copper electrode. (d) Cations move towards zinc electrode. (iii) Which one of the following compounds is diamagnetic and colourless? (a) $\text{K}_2\text{Cr}_2\text{O}_7$ (b) $\text{ZnSO}_4$ (c) $\text{KMnO}_4$ (d) $\text{Cr}_2(\text{SO}_4)_3$ (iv) For a first order reaction, the half-life period ($t_{1/2}$) is: (a) proportional to the initial concentration. (b) inversely proportional to the initial concentration. (c) proportional to the square root of the initial concentration. (d) independent of the initial concentration.

Match the following:

(i) Assertion: If a solution contains both $\text{H}^+$ and $\text{Na}^+$ ions, the $\text{H}^+$ ions are reduced first at cathode. Reason: Cations with higher $E^\circ$ value are reduced first at cathode. (a) Both Assertion and Reason are true, and Reason is the correct explanation for Assertion. (b) Both Assertion and Reason are true, but Reason is not the correct explanation for Assertion. (c) Assertion is true but Reason is false. (d) Assertion is false but Reason is true. (ii) Assertion: Addition of bromine water to 1-butene gives two optical isomers. Reason: The product formed contains two asymmetric carbon atoms. (a) Both Assertion and Reason are true, and Reason is the correct explanation for Assertion. (b) Both Assertion and Reason are true, but Reason is not the correct explanation for Assertion. (c) Assertion is true but Reason is false. (d) Assertion is false but Reason is true.