हिंदी

Zinc Oxide Reacts with Carbon, on Heating, to Form Zinc Metal and Carbon Monoxide. Write a Balanced Chemical Equation for this Reaction. Name (I) Oxidising Agent, (Ii) Reducing Agent, in this Reaction. - Science

Advertisements
Advertisements

प्रश्न

Zinc oxide reacts with carbon, on heating, to form zinc metal and carbon monoxide. Write a balanced chemical equation for this reaction. Name (i) oxidising agent, (ii) reducing agent, in this reaction.

 
Advertisements

उत्तर

The balanced chemical reaction is as follows:
       
ZnO + C → Zn + CO

(i) Oxidising agent: ZnO
It oxidises C to CO.

(ii) Reducing agent: C
It reduces ZnO to Zn.

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 1: Chemical Reactions and Equations - Exercise 2 [पृष्ठ ४७]

APPEARS IN

लखमीर सिंग Chemistry (Science) [English] Class 10
अध्याय 1 Chemical Reactions and Equations
Exercise 2 | Q 31 | पृष्ठ ४७

वीडियो ट्यूटोरियलVIEW ALL [4]

संबंधित प्रश्न

Complete and balance the following equation:

CA (OH)2  +  .............          CaCO3    +   H2O


Balance the given equation:

AI(OH)3   AI2O3 +H2O


Balance the given equation:

NH3 + CuO  Cu +N2 +H2O


Balance the given chemical equation:

NH3 → N2 + H2


 Write balanced chemical equation with state symbols for the following reaction:
Sodium hydroxide solution reacts with hydrochloric acid solution to produce sodium chloride solution and water.


The chemical reaction between quicklime and water is characterised by:
(a) evolution of hydrogen gas
(b) formation of slaked lime precipitate
(c) change in temperature of mixture
(d) change in colour of the product


Balance the following equation. Also name the product formed. 

`"CO" + "O"_2  → " CO"_2`


Show the formation of Na2O by the transfer of electrons. 


Write down what you understood from the following chemical reaction.

AgNO3(aq) + NaCI(aq) → AgCI ↓ + NaNO3(aq)


Write the balanced chemical equation of the following reaction.

sodium chloride + manganese dioxide + sulphuric acid → sodium hydrogen sulphate  + manganese sulphate + water + chlorine.


Give word equation for the following chemical reaction and give the names of the product formed.

Zn + 2HC1→ ZnCl2 + H2


Name the following:

The silvery residue obtained on heating mercury [II] oxide.


\[\ce{2KClO3->[MnO2] 2KCl + 3O2[g] - is a balanced equation.}\]

State what is a ‘balanced equation’.


Balance the following simple equation:

H2   +   Cl2  →  HCl


Write a balanced equation for the following word equation:

Nitrogen dioxide + Water + Oxygen → Nitric acid


Give a balanced equation by the partial equation method, [steps are given below].

Oxidation of Lead [II] Sulphide by Ozone

  1. Ozone first decomposes to give molecular oxygen & nascent oxygen.
  2. Nascent oxygen then oxidises lead [II] sulphide to lead [II] sulphate. 

Underline the compound in the equation given below, it is incorrectly balanced and write the correct balancing for the same.

6NaOH + 3Cl2 → 6NaCl + NaClO3 + 3H2O


Underline the compound in the equation given below, it is incorrectly balanced and write the correct balancing for the same.

NaOH + CO2 → Na2CO3 + H2O


Three beakers labelled as A, B and C each containing 25 mL of water were taken. A small amount of NaOH, anhydrous CuSOand NaCl were added to the beakers A, B and C respectively. It was observed that there was an increase in the temperature of the solutions contained in beakers A and B, whereas in case of beaker C, the temperature of the solution falls. Which one of the following statement(s) is(are) correct?

  1.  In beakers A and B, exothermic process has occurred.
  2. In beakers A and B, endothermic process has occurred.
  3. In beaker C exothermic process has occurred.
  4.  In beaker C endothermic process has occurred.

What are the steps involved in writing the skeletal equation?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×