Consider the following redox reaction. Zn+dil HNO3? Zn (NO3)2 + N2O + H2O The coefficient number of HNO3 in the equation is__________________?

Related Mcqs:

1. Consider the following reaction- 2KCIO3 + H2C2O4 + H2SO4 ? K2SO4 + 2H2O + 2CO2 + Oxide Which oxide of chlorine is produced in the above reaction ?

   A. Cl2O B. ClO2 C. Cl2O6 D. Cl2O7...

2. Consider the following reaction- 3Cl2 + 6NaOH ? NaClO3 + 5NaCl + 3H2O This reaction is_______________?

   A. Displacement reaction B. Double displacement reaction C. Disproportionation reaction D. Reduction reaction...

3. Nitrate (NO3) ions are obtained by the process of __________?

   A. Nitrification B. Fermentation C. Denitrification D. None of these Submitted by: Sana...

4. Which of the elements show passivity when treated with conc. HNO3?

   A. Fe B. A C. Cr D. All of the above...

5. What is the molecular Weight of Nitric acid (HNO3 ) ?

   A. 63.012 g/mol B. 65.012 g/mol C. 70.012 g/mol D. 81.011 g/mol Submitted by: Rashid Mehmood...

6. Find the PH of a 0.001 M solution of Nitric acid HNO3?

   A. 2 B. 3 C. 4 D. 5 Submitted by: Muhammad Ali Kunbhar...

7. Treatment of sucrose with conc. HNO3 gives__________?

   A. Nitrosucrose B. Glucose+ fructose C. Oxalic acid D. Laevulinic acid Submitted by: Muhammad Ali Kunbhar...

8. The ore CaSO4.H2O has the general name_______________?

   A. Gypsum B. Dolomite C. Calcite D. Plaster of Paris...

9. The balanced chemical equation for the reaction which occurs when Be is added to water is____________?

   A. Be+2H2O?Be (OH)2+H2 B. Be+H2O?Be (OH)2+H2 C. Be+H2O?[Be (OH)4]+2+H2 D. no reaction...

10. What will be the order of reaction of a reaction whose rate can be expressed as R = K [A] [B] ?

    A. Zero B. One C. Two D. Three...