1. C2H5I, Zn-Cu, C2H5OH
2. CH3Cl, Na, H2O
3. KOOC - CH = CH - COOK, electrolysis
4. CH3CO2Na, NaOH, CaO, ∆
C<sub>2</sub>H<sub>5</sub>I, Zn-<sup></sup>Cu, C<sub>2</sub>H<sub>5</sub>OH
1. N2(g) + 3H2(g) - 92kJ -----> 2NH3(g)
2. N2(g) + O2(g) + 180.8 kJ -----> 2NO(g)
3. H2(g) + Cl2(g) -----> 2HCl(g) + 184.6 kJ
4. C (graphite) + 2H2(g) -----> CH2(g) + 74.8 kJ
N<sub>2</sub>(g) + O<sub>2</sub>(g) + 180.8 kJ -----> 2NO<sub></sub>(g)
1. I, II and III are correct
2. Only I and II are correct
3. Only I and III are correct
4. Only II and III are correct
Only II and III are correct
1. H2
2. O2
3. H2O2
4. O3
O<sub>2</sub>
1. 1H1 and 2He3 are isotopes
2. 6C14 and 7N14 are isotopes
3. 19K39 and 20Ca40 are isotones
4. 9F19 and 11Na24 are isodiaphers
<sub>19</sub>K<sup>39</sup> and <sub>20</sub>Ca<sup>40 </sup>are isotones
1.
2.
3.
4.
1. PbO2 + H2O2 →
2. Acidified KMnO4 + H2O2 →
3. PbS + H2O2 →
4. Cl2 + H2O2 →
PbS + H<sub>2</sub>O<sub>2</sub> →
1.
2. Hydrolysis of aqueous sucrose solution in the presence of aqueous mineral acid
3.
4. Hydrolysis of liquid ester in the presence of aqueous mineral acid
1. C6H6 + CH3COCl/anhydrous AIC13
2. C2H5C1 + aq. KOH
3. C6H6 + C6H5COCl/anhydrous AICI3
4. C2H5C1 + C2H5ONa
C<sub>2</sub>H<sub>5</sub>C1 + C<sub>2</sub>H<sub>5</sub>ONa
1. Z > X > Y
2. X > Y > Z
3. Z > Y > X
4. Y > Z > X
Z > Y > X