हिंदी माध्यम नोट्स
chemistry
Which will make basic buffer ? 100 mL of 0.1M HCl + 200 mL of 0.1M NH4OH
Question : Which will make basic buffer ? (1) 50 mL of 0.1M NaOH + 25 mL of 0.1 M…
What is the correct electronic configuration of the central atom in K4[Fe(CN)6] based on crystal field theory ?
Question : What is the correct electronic configuration of the central atom in K4[Fe(CN)6] based on crystal field theory ?…
An alkene “A” on reaction with O3 and Zn-H2O gives propanone and ethanal in equimolar ratio. Addition of HCl to alkene “A” gives “B” as the major product. The structure of product “B” is
Question : An alkene "A" on reaction with O3 and Zn-H2O gives propanone and ethanal in equimolar ratio. Addition of…
Among the following, the narrow spectrum antibiotic is (1) penicillin G. (2) ampicillin (3) amoxycillin.
Question : Among the following, the narrow spectrum antibiotic is (1) penicillin G. (2) ampicillin (3) amoxycillin. (4) chloramphenicol. Answer…
Which mixture of the solutions will lead to the formation of negatively charged colloidal [AgI]I-solution ?
Question : Which mixture of the solutions will lead to the formation of negatively charged colloidal [AgI]I-solution ? (1) 50…
Conjugate base for Brönsted acids H20 and HF are (3) OH– and F–, respectively
Question : Conjugate base for Brönsted acids H2O and HF are - (1) OH– and H2F+, respectively (2) H3O+ and F–, respectively (3)…
For an ideal solution , the correct option is :
Question : For an ideal solution, the correct option is : (1) Δmix S = 0 at constant T and P (2) Δmix V ≠ 0 at…
The compound that is most difficult to protonate is :
Question : The compound that is most difficult to protonate is : answer : from all above options the correct…
For the chemical reaction N2(g) + 3H2 (g) ⇌ 2NH3 (g) The correct option is –
Question : For the chemical reaction N2(g) + 3H2 (g) ⇌ 2NH3 (g) The correct option is - Answer :…
The mixture that forms maximum boiling azeotrope is (1) Water + Nitric acid. (2) Ethanol + Water.
Question : The mixture that forms maximum boiling azeotrope is (1) Water + Nitric acid. (2) Ethanol + Water. (3)…