Ch3nh2 strong or weak? this is the right explanation

ch3nh2 strong or weak
ch3nh2 strong or weak

Ch3nh2 strong or weak – Acid consists of strong acids and weak acids. Likewise, with bases, bases consist of strong bases and weak bases. So what about ch3nh2? Are ch3nh2 strong or weak bases? Or Is ch3nh2 strong or weak acids? Let’s find out from the article below.

Ch3nh2 strong or weak

Types of acids and bases including strong or weak can be seen in table 1 below:

No Chemical formula Compound Name strong acid  Weak acid Strong base Weak base
1 HCl Chloride Acid  *      
2 HNO3 Nitric Acid  *      
3 HClO3 Chloric Acid  *      
4 HClO4 Perchloric Acid  *      
5 H2SO4 Sulfuric acid  *      
6 HI Iodide Acid  *      
7 HBr Bromide Acid  *      
8 CH3COOH Acetic acid    *    
9 C6H5COOH Benzoic acid    *    
10 H3PO4 Phosphoric Acid    *    
11 H2CO2 Acid Carbonite    *    
12 H2CO3 Carbonic Acid    *    
13 HCN Cyanide Acid    *    
14 HF Flouric Acid    *    
15 HCOOH Formic Acid    *    
16 LiOH Lithium Hydroxide     *  
17 NaOH Sodium hydroxide     *  
18 KOH Potassium Hydroxide     *  
19 Be(OH)2 Berillium Hydroxide     *  
20 Mg(OH)2 Magnesium Hydroxide     *  
21 Ca(OH)2 Calcium Hydroxide     *  
22 Ba(OH)2 Barium Hydroxide     *  
23 NH4OH Ammonium Hydroxide        *
24 Ni(OH)2 Nickel (II) Hydroxide        *
25 Al(OH)3 Aluminum Hydroxide        *
26 Fe(OH)3 Iron (III) Hydroxide        *
27 CH3NH2 Methylamine        *
28 N2H4 Hydrazine        *
29 C6H5NH2 Aniline        *

From the table above at no.27 we can conclude that ch3nh2 is a WEAK BASE

Weak base

A weak base is a base solution that does not change completely into hydroxide ions in solution.

Ch3nh2 or often known as methylamine is a weak base. Another example of a weak base is Ammonia, ammonia is a good example of a weak base.

Although ammonia does not contain hydroxide ions, ammonia reacts with water to produce ammonium ions and hydroxide ions. However, the reaction is reversible, and at any time around 99% of ammonia remains as an ammonia molecule. Only about 1% produces hydroxide ions.

From this table we can conclude that weak bases consist of: LiOH, NaOH, KOH, Be (OH) 2, Mg (OH) 2, Ca (OH) 2, NH4OH, and Ba (OH) 2

Characteristics of weak bases:

  • Not fully ionized (α <1)
  • Harmless to the touch
  • If it is dissolved in strong acids, acidic salts are formed.
  • Weak bases will form cation if reacted with water.
  • Does not contain hydroxide ions
  • The pH range is between 7 and 10
  • Not experiencing perfect protonation. Protonation is the addition of protons (H +) to weak bases.

From this table we can conclude that weak bases consist of: LiOH, NaOH, KOH, Be (OH) 2, Mg (OH) 2, Ca (OH) 2, NH4OH, and Ba (OH) 2

Strong base

A strong base is a base that is completely separated in an aqueous solution. These compounds are ionized in water to produce one or more hydroxide ions (OH-) per base molecule.

We can find examples of strong bases such as sodium hydroxide or potassium hydroxide which are fully ionic. You can think of the compound as 100% split into metal ions and hydroxide ions in solution.

From this table we can conclude that strong bases consist of: LiOH, NaOH, KOH, Be(OH)2, Mg(OH)2, Ca(OH)2, and Ba(OH)2


The acid is divided into strong acids and weak acids. Below is the difference between a strong acid and a weak acid

Strong acid

Strong acids are perfectly ionized acids in solution by losing one proton with the equation:

Strong Acidic Characteristics

  • Contains elements of Cl, F, Br, SO, I, or PO (there are also weak acids containing elements of F)
  • Perfectly ionized (α = 1)
  • The reaction goes one way
  • Has a sour taste
  • Also read: Acid-base (High School Summary Material XI)
  • pH ranges from 0 to 1. The lower the concentration of hydrogen ions in the solution is higher
  • Group VIIA
  • Release H + ions if dissolved in water
  • Corrosive
  • It is a strong electrolyte, so it can conduct electric current
  • Reacts with metals

Based on the table above we can conclude that strong acids consist of: HCl, HNO3, HClO3, HClO4, H2SO4, HI, and HBr

Weak Acid

Weak acids are acids which are difficult to ionize in solution. The main characteristic of weak acids is the pH which is between 7 – 4. Weak acids are beneficial to humans such as vinegar containing acetic acid and oranges which contain citric acid. Here are the characteristics of weak acids:

Weak Acid Characteristics:

  • Fewer containing electronegative A-
  • Not fully ionized (0 <α <1)
  • Most acids are weak acids
  • PH between 7 – 4
  • If it is dissolved in water, it produces only a few hydrogen atoms
  • Is a weak electrolyte
  • Has a pKa / Ka value (acid dissociation constant) higher than the strong acid

Based on the table above we can conclude that weak acids consist of: H3COOH, C6H5COOH, H3PO4, H2CO2, H2CO3, HCN,HF,and HCOOH

Thank you for reading an article titled Ch3nh2 strong or weak, hopefully it helps

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