1.  C2H5I, Zn-Cu, C2H5OH

2.  CH3Cl, Na, H2O

3.  KOOC - CH = CH - COOK, electrolysis

4.  CH3CO2Na, NaOH, CaO, ∆

4
Correct Answer :

C<sub>2</sub>H<sub>5</sub>I, Zn-<sup></sup>Cu, C<sub>2</sub>H<sub>5</sub>OH


Explanation :
No Explanation available for this question

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

4
Correct Answer :

N<sub>2</sub>(g)&nbsp; + O<sub>2</sub>(g) + 180.8 kJ -----&gt; 2NO<sub></sub>(g)


Explanation :
No Explanation available for this question

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

4
Correct Answer :

Only II and III are correct


Explanation :
No Explanation available for this question

1.  H2

2.  O2

3.  H2O2

4.  O3

4
Correct Answer :

O<sub>2</sub>


Explanation :
No Explanation available for this question

1.  1H1 and 2He3 are isotopes

2.  6C14 and 7N14 are isotopes

3.  19K39 and 20Ca40 are isotones

4.  9F19 and 11Na24 are isodiaphers

4
Correct Answer :

<sub>19</sub>K<sup>39</sup> and <sub>20</sub>Ca<sup>40 </sup>are isotones


Explanation :
No Explanation available for this question

1.  

2.  

3.  

4.  

4
Correct Answer :


Explanation :
No Explanation available for this question

1.  PbO2 + H2O2 →

2.  Acidified KMnO4 + H2O2 →

3.  PbS + H2O2 →

4.  Cl2 + H2O2 →

4
Correct Answer :

PbS + H<sub>2</sub>O<sub>2</sub> &#8594;


Explanation :
No Explanation available for this question

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

4
Correct Answer :


Explanation :
No Explanation available for this question

1.  C6H6 + CH3COCl/anhydrous AIC13

2.  C2H5C1 + aq. KOH

3.  C6H6 + C6H5COCl/anhydrous AICI3

4.  C2H5C1 + C2H5ONa

4
Correct Answer :

C<sub>2</sub>H<sub>5</sub>C1 + C<sub>2</sub>H<sub>5</sub>ONa


Explanation :
No Explanation available for this question

1.  Z > X > Y

2.  X > Y > Z

3.  Z > Y > X

4.  Y > Z > X

4
Correct Answer :

Z &gt; Y &gt; X


Explanation :
No Explanation available for this question

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