The mechanism of a hypothetical reaction

X₂ + Y₂ → 2XY  is given below: 
(i) X₂ → X + X (Fast)
(ii) X + Y₂  ⇄  XY + Y (slow)
(iii) X + Y → XY (Fast)

The overall order of the reaction will be:

1. 2

2. 0

3. 1.5

4. 1

The element Z = 114 has been discovered recently. Family/group and electronic configuration from which it  will belong are:

1. Carbon family and  [Rn] 5f¹⁴ 6d¹⁰ 7s² 7p²
2. Oxygen family and [Rn] 5f¹⁴ 6d¹⁰ 7s² 7p⁴
3. Nitrogen family and [Rn] 5f¹⁴ 6d¹⁰ 7s² 7p⁶
4. Halogen family and [Rn] 5f¹⁴ 6d¹⁰ 7s² 7p⁵

The heating of phenylmethyl ether with HI produces-

1. Iodobenzene

2. Phenol

3. Benzene

4. Ethyl chloride

The correct order of acidity among the following is:

The equilibrium of three reactions with their respective equilibrium constants are given below,

\( \begin{array}{lc} \mathrm{N}_2+3 \mathrm{H}_2 \rightleftharpoons 2 \mathrm{NH}_3 & \mathrm{~K}_1 \\ \mathrm{~N}_2+\mathrm{O}_2 \rightleftharpoons 2 \mathrm{NO} & \mathrm{K}_2 \\ \mathrm{H}_2+\frac{1}{2} \mathrm{O}_2 \rightleftharpoons \mathrm{H}_2 \mathrm{O} & \mathrm{K}_3 \end{array} \)

The equilibrium constant (K) of the following reaction will be : 
$2{\mathrm{NH}}_3+\frac{5}{2}{\mathrm{O}}_2$ $\stackrel{\mathrm{K}}{\rightleftarrows }$ $2\mathrm{NO}+3{\mathrm{H}}_2\mathrm{O}$

1. \( \frac{K_{2}K_{3}^{3}}{K_{1}}\)
2. \( \frac{K_{2}K_{3}}{K_{1}}\)
3. \( \frac{K_{2}^{3}K_{3}}{K_{1}}\)
4. \( \frac{K_{3}^{3}K_{1}}{K_{2}}\)

The most acidic compound among the following is:

1.		2.
3.		4.

Mark the correct increasing order of basic strength of given molecules:

(I)	(II)	(III)

1. III < I < II

2. III < II < I

3. II < I < III

4. II < III < I

Ionic mobility of which of the following alkali metal ions is lowest when aqueous solution of their salts are put under an electric field?
1. K
2. Rb
3. Li
4. Na

The most suitable method used for the separation of 1:1 mixture of ortho and para-nitrophenols is: