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Why H 2+ more stable than H2-?

Posted by Alok Singh 7 years, 10 months ago

CBSE > Class 11 > Chemistry

1 answers

Abc A 7 years, 10 months ago

Becoz he is stronger

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For the equilibrium 2NOCL(g)- 2NO(g)+Cl2(g) the value of equilibrium constant kc is 3.75×10^-6 at 1069k. Calculate the value of kp

Posted by Sachin Dhyani 7 years, 10 months ago

CBSE > Class 11 > Chemistry

0 answers

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Causes of photoelectric effect

Posted by Nanao Khan 7 years, 10 months ago

CBSE > Class 11 > Chemistry

1 answers

Sachin Dhyani 7 years, 10 months ago

The phenomena of ejection of electrone form a metal sheet when a suitable frequeny of light strikes on it is called photoelectrical effect..

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Write one difference between adiabatic and isothermal process

Posted by Mahesh Kumar 7 years, 10 months ago

CBSE > Class 11 > Chemistry

2 answers

Sachin Dhyani 7 years, 10 months ago

Adiabatic process is that process in which no exchange of heat take place and the isothermal process is that process is that process in which the temp. remains constant but the pressure and volume increase with the time...

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Mahesh Kumar 7 years, 10 months ago

Gsiagcsjivwnjz

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State the first law of

Posted by Mahesh Kumar 7 years, 10 months ago

CBSE > Class 11 > Chemistry

1 answers

Abc A 7 years, 10 months ago

Of kya .?

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State the first law of thermodynamics

Posted by Mahesh Kumar 7 years, 10 months ago

CBSE > Class 11 > Chemistry

2 answers

Ansh Tiwari 7 years, 10 months ago

According to the physics..... The first law of thermodynamics is...... - Whe A and B are in thermal equilibrium B and C are in thermal equilibrium then A and C are also in thermal equilibrium.

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Sachin Dhyani 7 years, 10 months ago

Energy nor be created neither be destroyed..... ∆U=q+w...

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Naming of IUPAC

Posted by Mritumjay Kumar 7 years, 10 months ago

CBSE > Class 11 > Chemistry

0 answers

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What is hard water and soft water

Posted by Akashdeep Saikia 7 years, 10 months ago

CBSE > Class 11 > Chemistry

2 answers

Altaf Remo 7 years, 10 months ago

Hard water: presence of calcium and magnesium salts in the form of hydrogencarbonate,chloride,and sulphate in water makes water hard . hard water does not givr lather with soap . they form scum/precipitate with soap . soft water:- water free from soluble salts of calcium and magnesium is called soft water . they gives lather with soap and doesn't form scum / precipitate

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Amit Kumar 7 years, 10 months ago

Hard water contain salts of potassium and my Soft water is that which not hard water

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What is emission spectra I'm confused?

Posted by Mayank Solanki 7 years, 10 months ago

CBSE > Class 11 > Chemistry

0 answers

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Can u giv Blue print of chemistry

Posted by Harshith Ks 7 years, 10 months ago

CBSE > Class 11 > Chemistry

1 answers

Megha Singh 7 years, 10 months ago

Here. In this app I think otherwise u can goggle

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Hess's law

Posted by Siya Budhiraja 7 years, 10 months ago

CBSE > Class 11 > Chemistry

1 answers

Megha Singh 7 years, 10 months ago

Change in enthaly of a reaction is same whether the reaction is completed in one step or several steps????

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What is the oxidation number of C in CH3COOH ?

Posted by Deepa Sami 7 years, 10 months ago

CBSE > Class 11 > Chemistry

1 answers

Akram Khan 7 years, 10 months ago

Sp2

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What is the hybridisation of C in CO2 ?

Posted by Deepa Sami 7 years, 10 months ago

CBSE > Class 11 > Chemistry

2 answers

Akram Khan 7 years, 10 months ago

Sp2

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Sourabh Rana 7 years, 10 months ago

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Which two elements among the following belongs to the same period Al, Si, Ba and O

Posted by Aman Parmar 7 years, 10 months ago

CBSE > Class 11 > Chemistry

1 answers

Naman Jain 7 years, 10 months ago

Ba and O belong to 2nd period Al and Si belong to 3rd period

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अमोनि is decomposed to give N2 and H2 then what mass of N2 and H2 is produced by decomposition of 3.4 GM of NH3

Posted by Apoorva Chouksey 7 years, 10 months ago

CBSE > Class 11 > Chemistry

0 answers

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What is threshold energy?

Posted by Vinod Saini 7 years, 10 months ago

CBSE > Class 11 > Chemistry

0 answers

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Explain hcl is Covalent but ionises in solution

Posted by Ichhit Redhu 7 years, 10 months ago

CBSE > Class 11 > Chemistry

0 answers

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Open system

Posted by Abhishek Sharma 7 years, 10 months ago

CBSE > Class 11 > Chemistry

1 answers

Utkarsha Nayak 7 years, 10 months ago

System where exchange of mass & energy occurs

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What do you mean by green chemistry how will deacres environment pollution

Posted by Abhay Bhadoriya 7 years, 10 months ago

CBSE > Class 11 > Chemistry

0 answers

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relation between ∆h∆u

Posted by Aditya Bairagi 7 years, 10 months ago

CBSE > Class 11 > Chemistry

0 answers

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Boron is unstable to form bf63– why?

Posted by Harsh Pandit 7 years, 10 months ago

CBSE > Class 11 > Chemistry

0 answers

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What is atomicity?

Posted by Nilesh Kumar 7 years, 10 months ago

CBSE > Class 11 > Chemistry

1 answers

Sajid Khan 7 years, 10 months ago

Atomicity is the total number of atoms present in one molecule of an element, compound or a substance. For example, in O2, there are 2 atoms of oxygen.[citation needed] Atomicity - Monoatomic -consist of 1 atom Diatomic -consist of 2 atom Triatomic -consist of 3 atoms Polyatomic-consist of 4 or more atoms

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Imporant qustion for zee mains

Posted by Sandeep Meena 7 years, 10 months ago

CBSE > Class 11 > Chemistry

1 answers

Rajay Raj 7 years, 10 months ago

See last 10 year question papers.☺

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Why sodium metal is added in organic compound after forming passing is extract

Posted by Deepanshu Rawat 7 years, 10 months ago

CBSE > Class 11 > Chemistry

0 answers

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What is hybridization and it's type

Posted by Mohit Nikalje 7 years, 10 months ago

CBSE > Class 11 > Chemistry

1 answers

Himanshi Singh 7 years, 10 months ago

The process of intermixing of atomic orbitals of equivalent energies and size to form new hybrid orbitals Types:- Sp3 tetrahedral Sp2 trigonal So diagonal

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Why does the solublity of alkaline earthmetal carbonate and sulphate in water decreases down the the group

Posted by Anil Lohra 7 years, 10 months ago

CBSE > Class 11 > Chemistry

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How would explain the lower atomic radius of Ga as compared to Al ?

Posted by Harry Dhaliwal 7 years, 10 months ago

CBSE > Class 11 > Chemistry

1 answers

Rajay Raj 7 years, 10 months ago

Ga has more no. of shells, the improper shielding or poor screening effect of inner d- electrons makes the nucleus to attract the valence orbital more strongly. Hence Ga is smaller in size than Al.

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What is VESPAR theory

Posted by Ankit Kumar 7 years, 10 months ago

CBSE > Class 11 > Chemistry

1 answers

Rajay Raj 7 years, 10 months ago

According to this theory the electron pairs surrounding the central atom repel each other and move so far apart from one another that there are no further repulsion between them. As a result the molecule has min. energy stability.

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In which chapter the producer gas defines

Posted by Alkit Singh 7 years, 10 months ago

CBSE > Class 11 > Chemistry