Sir you are the best ❤. UA-cam par har koi teacher peson pe lectures dete hen ap free fund me itne ache lectures dete hein sabh gareeb bhi faida uthate hein 😊❤
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The hydroxides are basic in nature and basic strength increases down the group. This is due to the low ionization energies of these metals where the M-O bond in MOH is weak and it can cleave to give OH- ions in solution. As the ionization energy decreases down the group, the basic strength of the hydroxides increases. For example, Be(OH)2 is amphoteric, Mg(OH)2 is mildly basic while others are strong bases.
Which is most basic in character : (a) RbOH. RbOH is the most basic compound among the given options. This is because rubidium (Rb) is the largest atom among the alkali metals, leading to the weakest bond between Rb and OH. This weaker bond makes RbOH more likely to dissociate in water, producing a higher concentration of hydroxide ions (OH⁻) and thus a higher pH.
THANK YOU SO MUCH SIR ! These mcqs series videos were much needed.... Your efforts and teaching skills are worth appreciating for.... May ALLAH bless you with a lot of success and prosperity....
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@27:25 K, Ca, and Li metals may be arranged in the decreasing order of their standard electrode potentials as: (a) K, Ca, Li. The standard electrode potential is a measure of the tendency of a metal to lose electrons. Potassium (K) is the most reactive alkali metal and has the lowest standard electrode potential, followed by calcium (Ca) and then lithium (Li).
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Correct order of increasing activity is: (b) Na, Mg, Cu. This is the correct order of increasing reactivity of metals. Sodium is the most reactive, followed by magnesium, and then copper.
@@nkproduction6001 bro/sis aap ne jis question ke baarey mein bola ke iska answer ghalat hai to us question mein activity ke baarey mein poocha gaya tha aur aap ko laga ke reactivity ke baarey mein poocha gaya.
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sir jo b mcqs krwatay hain kindly uska baray main mae trends waghaira tora bataya karay takay tora sa samjh b aya karay. Aksar bhool gaye hain hum. Yaat tay lekin abhi bhoolay hain. ap say req hain jab mcqs sokve krwatay ho tora mcqs kay agay peechay ka detail trends b dia karay.thnku
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What is lye: (c) 10% solution of Ca(OH)₂. Lye is a strong alkaline solution, and a 10% solution of calcium hydroxide (Ca(OH)₂) is commonly referred to as lye.
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Sir English k liye boht tention ho rhi ku k rules yad krny k bad b mcqs mey msla hota sir ek video is issue py b bna dein jis mey hr type ka ek English question ho ta k smj a jaye k esy error ko detect krna ha and ese sentence complete krna a 😢
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Sir you are the best ❤.
UA-cam par har koi teacher peson pe lectures dete hen ap free fund me itne ache lectures dete hein sabh gareeb bhi faida uthate hein 😊❤
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The hydroxides are basic in nature and basic strength increases down the group. This is due to the low ionization energies of these metals where the M-O bond in MOH is weak and it can cleave to give OH- ions in solution. As the ionization energy decreases down the group, the basic strength of the hydroxides increases. For example, Be(OH)2 is amphoteric, Mg(OH)2 is mildly basic while others are strong bases.
Which is most basic in character : (a) RbOH. RbOH is the most basic compound among the given options. This is because rubidium (Rb) is the largest atom among the alkali metals, leading to the weakest bond between Rb and OH. This weaker bond makes RbOH more likely to dissociate in water, producing a higher concentration of hydroxide ions (OH⁻) and thus a higher pH.
THANK YOU SO MUCH SIR !
These mcqs series videos were much needed.... Your efforts and teaching skills are worth appreciating for.... May ALLAH bless you with a lot of success and prosperity....
THANK YOU !
THYANK YOU SIR G !
BEST CHEMISTRY TEACHER IN WHOLE WORLD
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Thanku sir ...Your notification is happiness for us .. Allah bless u❤
@27:25
K, Ca, and Li metals may be arranged in the decreasing order of their standard electrode potentials as: (a) K, Ca, Li. The standard electrode potential is a measure of the tendency of a metal to lose electrons. Potassium (K) is the most reactive alkali metal and has the lowest standard electrode potential, followed by calcium (Ca) and then lithium (Li).
MashAllah 💖
God bless you Sir you are best ❤
Sir you're best
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Great teacher🎉
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Great sir ❤
You are doing such a great job❤
Well explained Dear Sir
Correct order of increasing activity is: (b) Na, Mg, Cu. This is the correct order of increasing reactivity of metals. Sodium is the most reactive, followed by magnesium, and then copper.
Little ninja, read the statement carefully
@@ZulNorainHaral What ???
@@nkproduction6001the question mentions increasing "activity" not increasing "reactivity". Hope it helps :)
@@wandering_muslimah I did not get your point
@@nkproduction6001 bro/sis aap ne jis question ke baarey mein bola ke iska answer ghalat hai to us question mein activity ke baarey mein poocha gaya tha aur aap ko laga ke reactivity ke baarey mein poocha gaya.
Thank you so much sir for this🥺🥺❤️❤️
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Sir thank u buhat sara 🥰
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Sir MN aap ke lecture sunta Hun Maine coaching classes nhi liye
sir jo b mcqs krwatay hain kindly uska baray main mae trends waghaira tora bataya karay takay tora sa samjh b aya karay. Aksar bhool gaye hain hum. Yaat tay lekin abhi bhoolay hain. ap say req hain jab mcqs sokve krwatay ho tora mcqs kay agay peechay ka detail trends b dia karay.thnku
Great 👏 make video on past paper solve only duhs papers plz🥺
Jazakallah
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Thank you sir please Sir Upload class 11 Top 500 Mcqs PLz...
Mashallah 🎉
Chile saltpeter is NaNO3
MashAllah dear sir
MashaAllah❤❤
What is lye: (c) 10% solution of Ca(OH)₂. Lye is a strong alkaline solution, and a 10% solution of calcium hydroxide (Ca(OH)₂) is commonly referred to as lye.
Thank you so much sir g ☺️
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Sir English ki aik lecture please Sir
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Sir general Chemistry ke MCQs ke lie bh 1 short bana den
RbOH is most basic.
Sir aap poori inorganic ke karwaein ge?
Sir first year ki chemistry ka bhi is tarha krdy
sir1000 mcqs of physical chemistry b fast lai
Sir English k liye boht tention ho rhi ku k rules yad krny k bad b mcqs mey msla hota sir ek video is issue py b bna dein jis mey hr type ka ek English question ho ta k smj a jaye k esy error ko detect krna ha and ese sentence complete krna a 😢
Sir English ka course bi complete karwae
Sir synonyms and antonyms nh krwaye ap ne? Synonyms ki sirf ek video hai or antonyms bhi krwa dain please
Sir 1st year chem KY bhi mcqs krwaen
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Sir Jo physical chemistry k mcqs hai wo bi Bata da ya os ka link send kr da
Please chemical equilibrium ki bhi Bana dn phly
Asssalamualaekum Sir inorganic ki iupac naming poochi jati hy mdcat test mai?
Sir Assalamualaikum
Sir Karachi university ki bhi preparation karaden please
Sir On electrolysis Na ion is reduce not oxidise
Sir chile salt peter toh NaNo3 hoga na
Sir hydrolysis Hamari Sindh ki book mein nai hai
Sir Es ka PDF kasay mil sakta hay...Please link share karay...Please
sir please make alkyl halide mcq lecture
43:oo minute the question say not true for alkali metal so the answer is b low volume
First comment
Sir kindly Mdcat English lacture please sir
Sir strongest reducing agent tuu cs ha... I think... Aur app na li ko mark keya
Is this helpful for uhs students also? Please tell
Sir please confirm krade k yh bascity of hydroxides group Alkali metals (group 1 ) increases or decreases down the group
Decreases
Sir main abi tak saylbs complr nhi keyah hai sir 😢😢😢😢😢😢😢😢
Mujha kiya krnh cahi yh sir
Thank you sirr
Old book se bhi karna parega kia?
Sir g app ka Jo Lecture Hai kpk book sy related hai ya nahi
related hai.
I am the first ❤❤❤
Sir Karachi university
Sir. Plzzzzzzzzzzz,,,, English. Ki. Le ture. Jo. Aplode. Ni. H. Kiya. Apne. Slebus. Se😢😢😢😢
Sir pd do
SIR MEIN NE AP KO SMS KIA HE KINDLY PERH LEIN
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❤❤
Sir. Plzzzzzzzzzzz,,,, English. Ki. Le ture. Jo. Aplode. Ni. H. Kiya. Apne. Slebus. Se😢😢😢😢
❤❤
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Sir. Plzzzzzzzzzzz,,,, English. Ki. Le ture. Jo. Aplode. Ni. H. Kiya. Apne. Slebus. Se😢😢😢😢
Sir. Plzzzzzzzzzzz,,,, English. Ki. Le ture. Jo. Aplode. Ni. H. Kiya. Apne. Slebus. Se😢😢😢😢