🎯 Welcome to @12toBScChemistry! 🎯
Your ultimate destination to crack 12th Board Exams and ace BSc Chemistry with confidence!

🔬 What We Offer:
✅ Complete Chapter Notes: Simplified, exam-focused, and easy to revise.
✅ Board Preparation: Master 12th-grade chemistry with expert guidance.
✅ Sample Papers & Solutions: Practice and perfect your exam strategies.
✅ Numericals Simplified: Step-by-step solutions to score full marks.
✅ BSc Chemistry Hub: Covering all semesters with comprehensive study material.
✅ Last Year Papers: Solve real exam questions and stay ahead.
✅ Exam Tips & Tricks: Proven strategies to boost your scores effortlessly.

💡 Whether you're aiming to excel in Class 12th Boards or conquer BSc Chemistry, we've got your back!

📚 Learn Smart, Study Less, Score More! 📚
Subscribe now and turn chemistry into your strongest subject! 🚀

Enthalpies of atomisation of Zn and Cu, choice of acid in permanganate titration, redox equation
10:50
Enthalpies of atomisation of Zn and Cu, choice of acid in permanganate titration, redox equation
Carry out the following conversions. (Attempt any 3)
6:50
Carry out the following conversions. (Attempt any 3)
Arrange the products obtained in the following cases in the increasing order of their pKa values:
6:53
Arrange the products obtained in the following cases in the increasing order of their pKa values:
Which element forms white salts and why? Zn(30), Sc(21), Ni(28) and V(23)
5:32
Which element forms white salts and why? Zn(30), Sc(21), Ni(28) and V(23)
Exhibit similar magnetic behaviour and why? Mg (12), Cr (Atomic No. 24), Fe (26) and Mo (42).
3:11
Exhibit similar magnetic behaviour and why? Mg (12), Cr (Atomic No. 24), Fe (26) and Mo (42).
neo pentylchloride has lower boiling point than iso pentylchloride
2:31
neo pentylchloride has lower boiling point than iso pentylchloride
Finkelstein reaction is carried out in the presence of dry acetone
2:08
Finkelstein reaction is carried out in the presence of dry acetone
Chlorination of toluene with Cl₂ in sunlight gives benzyl chloride, in dark gives o- p-chlorobenzene
4:44
Chlorination of toluene with Cl₂ in sunlight gives benzyl chloride, in dark gives o- p-chlorobenzene
Nernst equation for redox reactions: Ni-Cu, Al-FeSO₄, and Mg/Mg²⁺//Ag⁺/Ag electrochemical cells
4:17
Nernst equation for redox reactions: Ni-Cu, Al-FeSO₄, and Mg/Mg²⁺//Ag⁺/Ag electrochemical cells
Vapour pressure of 1 molal MgCl₂ solution with 70% dissociation at 25 ºC (pure water = 23.8 mmHg)
6:28
Vapour pressure of 1 molal MgCl₂ solution with 70% dissociation at 25 ºC (pure water = 23.8 mmHg)
Find the errors in the mechanism of formation of alcohols from alkenes & rewrite the corrected steps
5:36
Find the errors in the mechanism of formation of alcohols from alkenes & rewrite the corrected steps
Write IUPAC diaquasilver(I) dichloridoargentate(I) and dihydroxidobis(triphenylphosphine)nickel(II)
3:34
Write IUPAC diaquasilver(I) dichloridoargentate(I) and dihydroxidobis(triphenylphosphine)nickel(II)
Conversions: Nitrobenzene → 4-bromobenzenamine, Chlorophenylmethane → 2-phenyl-ethanamine
7:20
Conversions: Nitrobenzene → 4-bromobenzenamine, Chlorophenylmethane → 2-phenyl-ethanamine
Define activation energy and effect of temperature. Catalyst effect on endothermic reaction rate.
6:18
Define activation energy and effect of temperature. Catalyst effect on endothermic reaction rate.
Cal. Enthalpy of reaction & Ea for the backward reaction & How will the catalyst affect the R.O.R?
6:23
Cal. Enthalpy of reaction & Ea for the backward reaction & How will the catalyst affect the R.O.R?
Ans the questions based on osmosis, semi-permeable membranes, boiling point elevation, and solutes.
8:06
Ans the questions based on osmosis, semi-permeable membranes, boiling point elevation, and solutes.
Ans the questions involving phenol-aniline volume change and salt-induced freezing point depression.
8:31
Ans the questions involving phenol-aniline volume change and salt-induced freezing point depression.
Secondary cells used in inverters; primary cells recharge by passing current oppositely after use.
1:44
Secondary cells used in inverters; primary cells recharge by passing current oppositely after use.
Starch form colloidal solution with H20 reason states starch has 80-85% amylopectin insoluble in H2O
2:45
Starch form colloidal solution with H20 reason states starch has 80-85% amylopectin insoluble in H2O
Solutions in bloodstream must have same osmotic pressure as blood; Na⁺ and K⁺ ions maintain balance
4:43
Solutions in bloodstream must have same osmotic pressure as blood; Na⁺ and K⁺ ions maintain balance
Assertion and Reason Question on Reaction of Secondary Aliphatic Amines with Nitrous Acid and N₂ Gas
3:40
Assertion and Reason Question on Reaction of Secondary Aliphatic Amines with Nitrous Acid and N₂ Gas
Which of the following will give a yellow or orange ppt. with 2,4-DNP?
2:23
Which of the following will give a yellow or orange ppt. with 2,4-DNP?
Λ⁰ₘ CH₃COOH can be calculated if the values of the following are given:
1:30
Λ⁰ₘ CH₃COOH can be calculated if the values of the following are given:
The name inner transition metals is often used to refer to the
1:41
The name inner transition metals is often used to refer to the
The boiling point of A, B and C can be seen as depending on solubility in NaOH after Hinsberg test.
5:17
The boiling point of A, B and C can be seen as depending on solubility in NaOH after Hinsberg test.
The counter ion in the coordination compound [Co(NH₃)₅(NO₂)]Cl₂ is
1:44
The counter ion in the coordination compound [Co(NH₃)₅(NO₂)]Cl₂ is
Consider the reaction and identify B and C identify B and C obtained after anti-Markovnikov
3:53
Consider the reaction and identify B and C identify B and C obtained after anti-Markovnikov
Which of the following reaction will lead to formation of ethyl methyl ketone on oxidation reaction?
3:24
Which of the following reaction will lead to formation of ethyl methyl ketone on oxidation reaction?
CoCl₃·6NH₃ reacts with AgNO₃ forming 3 moles AgCl per mole compound – write its structural formula
2:15
CoCl₃·6NH₃ reacts with AgNO₃ forming 3 moles AgCl per mole compound – write its structural formula
Outer shells of 2 eggs removed 1 placed in saturated NaCl sol other in pure water what change & why?
3:55
Outer shells of 2 eggs removed 1 placed in saturated NaCl sol other in pure water what change & why?