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Preparation of NEET ,IIT-JEE and other graduation postgraduate entrances examination

21/01/2023

Imp. CBSE Ques. Complete the following reaction :-

Cr2O72- (aq) + 6 Fe2+ (aq) + 14 H+(aq) -> 2 Cr+3 + 6 Fe+3 + 7H2O...



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17/01/2023

Hinsberg reagent is also known as benzene sulfonyl chloride.

Hinsberg test for the detection and distinction of primary, secondary, and tertiary amines.

Chemical formula of Hinsberg Reagent is C6H5SO2Cl.


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14/01/2023

CBSE IMPORTANT QUES


Explain why [Co(NH3)6]3+ is an inner orbital complex whereas [Ni(NH3)6]2+ is an outer orbital complex. (At. no. Co = 27, Ni = 28) ( All India 2013)



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12/01/2023

A current was passed for 5 hours through two electrolytic cells connected in series. The first cell contains AuCl3 and second cell CuSO4 solution. If 9.85 g of gold was deposited in the first cell, what amount of copper gets deposited in the second cell? Also calculate magnitude of current in ampere.
Given: Atomic mass of Au = 197 amu and Cu = 63.5 amu... All India 2013.




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07/11/2022

IUPAC of Coordination Compound




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25/10/2022

Flow Chart of Haloalkane...


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24/10/2022

Happy Dipawali to all of you....

For this special time family and friends get together for fun. Wishing laughter and fun to cheer your days, in this festive season of diwali and always. Happy Diwali.....


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Photos from Chem_science_hub's post 11/10/2022

Formula Sheet of Electrochemistry


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09/10/2022

Flow Chart of Ether...


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05/10/2022

Happy Dusshera...

May Lord Rama bless you with strength and courage to follow the path of virtue and righteousness


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Photos from Chem_science_hub's post 02/10/2022

Flow chart of Alcohol and Phenol......



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30/06/2022

Diastereomers are defined as non-mirror image, non-identical stereoisomers. Hence, they occur when two or more stereoisomers of a compound have different configurations at one or more of the equivalent stereocenters and are not mirror images of each other





Enantiomers are chemical isomers that are non-superimposable mirror images of each other. Therefore, two enantiomers of a chemical compound will have the same chemical bonds but completely opposite three-dimensional structures. It is important to note that enantiomers are isomers that are not exactly the same as each other, and they cannot be superimposed on each other. Moreover, these types of stereoisomers can be considered as mirror images of each other.



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