Types of Chemical Reactions
ฝัง
- เผยแพร่เมื่อ 14 ม.ค. 2019
- Types of Chemical Reactions: Combination, Decomposition, Displacement, Double Displacement and Redox reactions are discussed in this video. The chemical reactions are visualized in an interesting way and many examples are shown.
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1) . unbalanced equation=N+H2→NH3
Balanced equation=2N+3H2→2NH3+(heat) and it is a combination reaction.
2)..silverchlorideAgCl is very sensitive to light when it reacts to light it may lose its properties dark bottles helps to prevent entering of light.
3).MnO2 is the oxidizing agent and HCl is the reduction agent..
Thakq so much sir I really understood well .now i am able to explain others .❤
1) It is a combination reaction. Balanced version - N² + 3H² ----> 2NH³
2) Silver chloride is stored in dark bottles so that sunlight doesn't enter the bottles and it does not decompose into Silver and chlorine due to Thermal decomposition.
Here is the Timestamps for the different types btw :-
*Combination* Reaction - 1:03
*Decomposition* Reaction - 3:51
*Displacement* Reaction - 6:49
*Double* Displacement Reaction - 10:52
*Redox* Reaction - 14:28
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Happy to help
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1- Combination reaction
2- Because decomposition will occur and SilverChloride will be decomposed in presence of sunlight.(Endothermic reaction)
3-Mn is being reduced and Cl being oxidised.
Thanks for the lecture
Answers.
1.N2+3H2 - 2NH3. This is combination reaction.
2. AgCl is stored in dark colour.Because When we exposed to sunlight it break down into Ag and Cl2.
3.In this reaction Mno2 is reduced to MnCl2 and HCl is oxidised to Cl2.
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Yes
1. Combination reaction
Equation- N2+3H2 gives 2NH3.
2. We store silver chloride in dark coloured bottle because it can decompose itself when exposed to sunlight. Moreover, sunlight can't enter into a dark coloured object. Equation-- AgCl when exposed to sunlight gives Ag+ Cl2.
3. The substance which is being oxidised is hydrocholric acid and the substance being reduced is Magnesium chloride is reduced.
3. how I don't understand
3. Magnesium chloride nahi manganese oxide
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Me
1.(i)a combination reaction
(ii)N2 + 3H2 =2NH3
2.silver chloride is light sensitive and it may react to light very fast to easily undergo photolytic decomposition reaction and lose its properties. That's why it is kept in dark coloured bottles to prevent the entry of light.
3.MnO2- reduced
HCl - Oxidized.
Thanks sir you're so amazing. I wish we had nice teachers like you in Uganda here before. I really don't know how to thank you
3H2 + N2 ---> 2NH3
AgCl when exposed to sunlight decomposes to form Ag and Cl and hence they are stored in dark bottles
MnO2 is being reduced as Cl is getting added to it, which is a non metal and HCl is being oxidized as Oxygen is added to it.
i think it's correct :)
Q1. Combination reaction. 😃
It is correct
It is correct
But i have doubts on 1st q
1Q
Ans- It is combination reaction
Yes it is already balanced
2Q
Ans-Silver chloride are light sensitive so . That we keeping in dark colored bottles.
3Q
Ans-Here HCL is oxidized and CL2 and Mno2 is reduced
‐-----------------------------x---------------------------------
Top 3 Qus. Ans.👇
Ans1. Our equilibrium reaction will be N2(g) + 3H2(g) ----> I NH3(g) + Heat [Combination Reaction]
Ans2. Silver Chloride decomposes to silver & chlorine in the presence of light. ...
That's why they are to be stored in dark bottles to prevent the entry of light.
ANS3. MnO2 is reduced, HCL is oxidised, MnO2 is oxidizing agent & HCL is reducing agent.
I was looking for a short revision vd for types of reaction but I didn't find less than 1hr And uh had taught in just 20mins.
Thq so much Sir!😇 Thxx a lot!
Hats off to uh!
Thanks for your video Sir..
Answers:
Q1)) N2 + 3H2 -----> 3NH2
Q2)) If Silver chloride is stored in light coloured bottle, then it will go through decomposition reaction. Silver Chloride will be decomposed in to silver and chlorine.
Q3)) MnO2 is getting reduced to MnCl and HCl i getting oxidised to Cl.
Q1 N2+3H2_____2NH3
Q2 silver chloride is kept in dark place because silver chloride reacts with sunlight and decompose into silver and elimination of chlorine gas
Q3 mno2 is being reduced into mncl2 whereas hcl is being oxidised into cl2
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1)It is combination reaction,N2+3H2--2NH3.
2)In the dark coloured bottle, sunlight may not enter into the bottle .so, thermal decomposition reaction will not take place.
3)MnO2 is reducing agent
4HCl is oxidising agent
cool :D
Are u sure it's not photolytic reaction in 3rd one
Can u pls explain it to me...
19:49 answers
Q1) ans The type of reaction is combination reaction
The balanced equation is:-
N2 + 3H2--> 2NH3
Q2) We store silver chloride solution in dark coloured bottles because it gets decomposed in the presence of sunlight
Q3) ans Manganese is being reduced, hydrogen is being oxidised and chlorine is being oxidised
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Q1. It's an example of combination reaction .
The balanced equation is N²+ 3H² -- 2NH³
Q2. We store silver chloride in dark coloured bottles so that it don't get into reaction if it is suspended to sunlight.
Q3. In the given reaction Mangnesium oxide is the substance being reduced and Hydrogen Chloride is the substance being oxidized.
Thank you
In ques 3 it's not magnesium chloride, it's manganese chloride
Initial of magnesium is mg
But the rest of the ques are correct:)!
#1 : combination reaction
N2 + H2 > NH3
#2 : silver chloride decomposes to form silver and chlorine when exposed to light
#3 : Mn is reduced. H is oxidized
1.H2(g)+3H2(g)--->2NH3(g)
2.Silver chloride decomposes when exposed to sunlight
3.Manganases is being reduced and hydrogen oxidized
Q1:The reaction is a combination reaction as the nitrogen and hydrogen are combining to form Ammonia
The balanced Equation is:
N2+3H2 gives 2NH3
Q2:We store silver chloride in dark coloured bottles because the silver chloride will decompose into Silver and Chlorine if it is exposed to light.So to prevent the decomposition reaction,We store them in dark coloured bottles.This is also the reason why some medicine bottles are also brown or any other dark color.
Q3:in the reaction,MNO2 is the substance being reduced and HCL is the substance oxidised.
1. Combination, Balanced equation: N2 + 3H2 --> 2NH3
2. Silver chloride reacts to sunlight which paves the way for it to decompose into silver and chlorine gas.
3. MnO2 is being reduced wile 4HCl is being oxidised.
It's absolutely correct
Good😛👍👍
It's right
1) Combination reaction
(cuz two or more reactants gives only one product)
Chemical equation:
N2 + 3H2 → 2NH3
2) In the presence of sunlight, silver chloride disintegrates to silver and chlorine, which function as a filter, preventing the reactions.
3) MnO2 is reduced as MnCl2 and 4HCl is oxidised as Cl2
3rd one is wrong
MnO2 is oxidised and HCl is reduced
3q please explain
The explanations were wonderful.
Here are the answers to the questions. 1) It is a combination reaction. N2+3H2--------2NH3
2) to prevent it from exposure to sunlight which could cause decomposition
3) HCL is oxidized
MNO2 is reduced.
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Malayali poli
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Q1 combination reaction, N2+3H2~2NH3+. Q2 🤔 I think... to prevent the compound from decomposition when light falls on it. Q3 MnO2 is reduced while HCl is oxidized.
Answers:-
Q1-
a. Composition reaction.
b. N2 + 3H2 ------> 2NH3
Q2-
Compounds Like Silver chloride are light sensitive and they may react to light very fast and lose its properties. That's why they are to be stored in dark bottles to prevent the entry of light. AgCl is converted to molecular Ag atoms by the effect of photons of light.
Q3-
MnO2 loses oxygen therefore it is reduced and thus it acts as an oxidizing agent. On the other hand HCl loses hydrogen. It is oxidized thus it acts as a reducing agent. Therefore in the reaction MnO2 is the oxidizing agent and HCl is the reducing agent.
1)N2+3H2 gives 2NH3.. It's a combination reaction..
2)Because it decomposes with sunlight..
3)Mno2 is reduced and 4Hcl is oxidised..
Super! All your answers are correct :) Also try the Quiz for this video on my Website. Quiz button is below the video here: www.manochaacademy.com/chemistry/chemical-reactions-and-equations/l/types-of-chemical-reactions
1) N2+3H2=2NH3
combination reaction
2) on exposure to sunlight AgCl2 is decomposed into silver and clorine. when the AgCl2 is kept in dark bottle the exposure to sunlight is prevented. the light is not entered into the bottles.
3) Mn lost Oxigen so it is reduced and it is the oxidising agent and H is accept Oxigen and it is get oxidised and acts reducing agent.
I thought the same answer.
1.Combination reaction
N2+3H - 2NH3
2. because silver chloride in presence of heat changes into silver and chlorine. Dark coloured bottles don't absorb much heat.
3.Mn is being reduced and Cl2 is being oxidised
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Q 1. Combination Reaction takes place .
Balanced equation is N2 + 3H2 ➡ 2NH3 .
Q2 . Silver chloride is stored in dark colored bottles because is Silver Chloride is exposed to sunlight it breaks into silver and chlorine , then decomposition reaction takes place .
Q 3. MnO is reduced and HCl is oxidised in this equation .
Thank You Sir
Thanks dost for this solution.
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👇
1: 3H2+N2-2NH3 It is a combination reaction
2:. We store AgCl in
Dark bottles because it decomposes into Ag +Cl in the presence of 🌞
3:. Mno2 is reduced to MnCl2 and HCl is oxidised to H2O
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Yes
Answer.Q1.the reaction taking place here is chemical combination reaction.
N2+3H2 to yield 2NH3.
Answer.Q2.We store silver chloride in dark coloured bottles to prevent sunlight from entering inside the bottles and causes photo-decomposition reaction.
Answer.Q3.MnO2 is reduced and 4HCl is oxidised
Solution 3
It is double displacement rxn
And
Mno2 is oxidation and reducing agent
4HCL is reduction and oxidising agent and thankyou so much for beautiful explaination .....
Answers to your top 3 questions . Please check it .
1) Combination Reaction , N2 + 3H2 = 2NH3 .
2) Silver chloride undergoes photolytic decomposition reaction . So it decomposes into silver and chlorine when it is exposed to sunlight . So , silver chloride is stored in dark coloured bottles .
3) MnO2 is reduced and HCl is oxidised .
Please check it .
Best Chemistry Teacher 👨🏫🧑🏫👨🏫🧑🏫
Sir I am studying in class 7 and the answers are :-
Q1 . It is a combination reaction .
Balanced equation: N2+3H2 ->2NH3
Q2 . AgCl is stored in dark coloured bottles as it would get decomposed when exposed to sunlight.
Q3 . Substance being oxidised : H
Substance being reduced: Mn
It's helpful from Mizoram, keep going...sir,god bless you 🌷
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ttr3ty
Extremely helpful!
Q1 It is a Reduction Reaction
N + 4H > NH4
Q2 Silver chloride is stored in the dark because when exposed to sunlight, it decomposes to Silver metal and Chlorine gas
Q3 Manganese is being reduced and Hydrogen is being oxidized
Thank you for this video. It was very helpful.
Can you please confirm if these are the answers to your questions?
1) N2 + 3H2 = 2NH3
2) To prevent them from decomposing
3) HCl is being oxidized and MnO2 is being reduced
Like the comment who is seeing this video 🎥 before board exam😅😅😅
All the best for day after tomorrow exam🥲
Heat and pressure
1. N2+3H2--------------->2NH3 is a combination reaction because one product is formed
2. Silver chloride is stored in dark coloured bottles because compounds like silver chloride reacts fast to light and when this happens it decomposes.
3. MNO2 is reduced while HCL is oxidised
1st one is wrong, not balanced correctly
Thanks for noticing my mistake I'll correct it 😁
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1)combination reaction
2)the silver chloride will react with sunlight to form silver and chlorine
3)mn02 is reduced HCL is oxidised
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Thanks
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Q.1 N2 + 3H2 - 2NH3
Q.2 because AgCl is splits into Ag and Cl when it comes in direct contact with sunlight and dark coloured bottle preserved it from decomposing.
Q.3 MnO2 is reduced into MnCl2 and 4HCl is oxidised into 2H2O.
Super!! All your answers are correct :)
@@ManochaAcademy Thank you sir..
For the people wondering how water get's decomposed or broken down into simpler products using electrolysis while pure water (H2O) does not pass electricity, Some drops of acid is dropped in the water to make it acidic so that it can conduct electricity... Hope it helps 😉
Ans 1 = combination reaction
Ans 2 = it is because silver chloride will react in the presence of light
Ans 3 = hidrogen is being oxidized and chlorine being reduced
A)N^2+2H^2=NH4
Combination reaction
B)silver chloride are stored in dark bottles because if the they are shown in light they will turn grey in colour this states that the black and white photography
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Q2. Silver chloride is decomposed into silver and chloride when exposed to sunlight
In 5.42sec you said that silver chloride is used for black and white photo but actually silver bromide is used for black and white photo
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Happy to help
Q1- Combination reaction
N2+3H2 gives 2NH3
Q2- We store silver chloride in dark coloured bottles because it prevents it from being decomposed in presence of sunlight.
Q3- Mn is reduced.
Hydrogen is oxidised.
Cl is reduced.
Oxygen is reduced.
Superb explanation with cryst and clear, thank u so much for clearing our doubt in just few mins...!!! 👍🏻👍🏻😊😊
Q1) combination reaction, N+3H---- NH3
Q2) silver chloride is stored in a dark colored bottle because when it is exposed to sunlight, it decomposes and changes to black and white
Q3) in the equation, MnO2 is reduced, while 4HCL is oxidized
1. Combination Reaction ; N2 + 3H2 --> 2NH3
2. This is because Silver Chloride in dark coloured bottles as it reacts with light and doesn't remain as Silver Chloride.
3. Magnesium is being oxidised and Chlorine is being reduced.
5:40 I thought I was colorblind 😭🤣
To all asking for a native language. Already there are very very few english channels to teach and now yall dont have to aske them to do hindi and other lang. English is common and hence that would be helpful for majority
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1.combination reaction
N2+3H2--->2NH3
2.becozzz it avoid decomposition
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Q1 answer:N2+3H2 PRODUCES 2NH3
Thank you sir for the clarification and may God bless your teaching carrier🙏
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Best way to learn reactivity series
Professor. Potasium
S. Sodium
C calcium
M magnesium
A aluminium
Z zinc
T tin
I iron
L lead
Has. Hydrogen
Coines copper
Made mercury
Of
Silver silver
Gold gold
Platinium platinium
💀Professor sc mazitl has coins made of silver gold platinum💀
Oh gud....👍👌
Btw thanx
thank you
Nice mnemonic :)