1. 2.33
2. 2.66
3. 5.32
4. 4.66
2.66
No Explanation available for this question
1. Activation energy of forward reaction is greater than backward reaction.
2. The forward reaction is endoihtrimc
3. The threshold energy is less than that of activation energy
4. The energy of activation of forward reaction is equal to the sum of heat of reaction and the energy of activation of backward reaction
The threshold energy is less than that of activation energy
No Explanation available for this question
1. -393
2. +393
3. +655
4. -655
-393
No Explanation available for this question
1.
2.
3.
4.
No Explanation available for this question
1. 2KMnO4 + 3 H2SO4 + 5H2O2 → K2SO4 + 2MnSO4 + 8H2O + 5O2
2. 2K3[Fe(CN)6] + 2KOH + H2O2 → 2K4[Fe(CN)6] + 2H2O + O2
3. PbO2 + H2O2 → PbO + H2O + O2
4. 2KI + H2SO4 + H2O2 → K2SO4 + I2 + 2H2O
2KI + H<sub>2</sub>SO<sub>4</sub> + H<sub>2</sub>O<sub>2</sub> → K<sub>2</sub>SO<sub>4</sub> + I<sub>2</sub> + 2H<sub>2</sub>O
No Explanation available for this question
1. (i), (ii) and (iii) only
2. (i) and (ii) only
3. (ii), (iii) and (iv) only
4. (iii) and (iv) only
(i) and (ii) only
No Explanation available for this question
1. Proton donor
2. Covalent
3. Electron deficient
4. Ionizing
Electron deficient
No Explanation available for this question
1. corundum
2. quartz
3. silica
4. carborundum
carborundum
No Explanation available for this question
1. NH3 < PH3 < AsH3 < SbH3 < BiH3
2. NH3 > PH3>AsH3 > SbH3 > BiH3
3. NH3 < PH3>AsH3 > SbH3 > BiH3
4. SbH3 > BiH3 > AsH3 > NH3 > PH3
NH<sub>3</sub> < PH<sub>3</sub> < AsH<sub>3</sub> < SbH<sub>3</sub> < BiH<sub>3</sub>
No Explanation available for this question
1. 9 and 4
2. 11 and 4
3. 4 and 8
4. 4 and 9
11 and 4
No Explanation available for this question