CBSE > Class 11 > Chemistry | CBSE Board | Homework Help

The force acting between hydrogen and most electronegetive element i.e FON is called hydrogen bonding * intermolecular h bond *intramolecular h bond.....

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Dhimoleji Presentation 6 years, 1 month ago

It is attractive force which binds the hydrogen of one molecule with electronegative element( fl,o,br) of another molecule. It is of two types:- 1. Intermolecular hydrogen bond. 2. Intramolecular hydrogen bond.

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A 100 cm3 solution of sodium carbonate is prepared by dissolving 8.653 g of the salt in water . the density of solution is 1.0816 g per mililitre . what are the molality and molarity of the solution?

Posted by Sarthak Agarwal 6 years, 1 month ago

CBSE > Class 11 > Chemistry

1 answers

Yash Tyagi 6 years, 1 month ago

Is tomorrow is your exam, sarthak

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The volume of 0.1M H2so4 required to neutralize 50 ml of0.2M NaOH

Posted by Manasvi Parmar 6 years, 1 month ago

CBSE > Class 11 > Chemistry

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Chromatograohy

Posted by Sohel Mew 6 years, 1 month ago

CBSE > Class 11 > Chemistry

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Confirmation of butane

Posted by Dhimoleji Presentation 6 years, 1 month ago

CBSE > Class 11 > Chemistry

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Explain Gibbs free energy,entropy & spontaneity

Posted by Shubhendra Singh ? 6 years, 1 month ago

CBSE > Class 11 > Chemistry

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Anions are bigger in size than their parent atom why?.

Posted by Keshav Bhagat 6 years, 1 month ago

CBSE > Class 11 > Chemistry

3 answers

Alok Kumar 6 years, 1 month ago

It follow fajan's rule

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Sarthak Agarwal 6 years, 1 month ago

Fajan rule

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Dhimoleji Presentation 6 years, 1 month ago

Because addition of one or more electrons would result in increased repulsion among the electrons.

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56g n2 react with 20 g of h2 to give ammonia . find out the limiting reagent and composition of gases at the end of reaction.

Posted by Rachit Dwivedi 6 years, 1 month ago

CBSE > Class 11 > Chemistry

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10 ml of n2 react with 25 ml of h2 to give ammonia .what is the composition of gases at the end of reaction .find out the limiting reagent.

Posted by Rachit Dwivedi 6 years, 1 month ago

CBSE > Class 11 > Chemistry

1 answers

Sarthak Agarwal 6 years, 1 month ago

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calculate the wavelength and energy of radiation emitted for the electronic transition from infinity to stationary state one of the hydrogen atom

Posted by Harshit Kumar 6 years, 1 month ago

CBSE > Class 11 > Chemistry

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Preparation of acidity in tea class 11th project

Posted by Sai Nithin 6 years, 1 month ago

CBSE > Class 11 > Chemistry

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Electron deficient notes

Posted by Gautam Singh 6 years, 1 month ago

CBSE > Class 11 > Chemistry

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What is effect of temperature and pressure for different reaction

Posted by Anirban Chakraborty 6 years, 1 month ago

CBSE > Class 11 > Chemistry

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nH3 is more basic than PH3

Posted by Mohammad Sahid 6 years, 1 month ago

CBSE > Class 11 > Chemistry

1 answers

Yogita Ingle 6 years, 1 month ago

Basically NH₃ is a base due to the lone pair of electrons present on the Nitrogen atom which is available for donation. On the other hand PH₃ is also a base but its basic character is less than that of NH₃ because the nitrogen in phosphorous have lone pair of electrons that are not readily available for donation.

Also the P-H bonds are weaker than N-H bonds, so there’s not as much compensation for protonating PH₃. This is a result of the inert pair effect, seen in heavier elements.

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Write notes on Boyle laws

Posted by Prabhat Bolia 6 years, 1 month ago

CBSE > Class 11 > Chemistry

1 answers

Yogita Ingle 6 years, 1 month ago

Boyle’s law was stated by Robert Boyle.
It states that at constanttemperature, the pressure of a fixednumber of moles nof gasvaries inversely with its volume.
p ∞ 1/v\
p = k₁ 1/v

k₁= Proportionality constant.

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Someone please tell Weightage of numerical in annual exm ????

Posted by Riya Shekhawat❤️ 6 years, 1 month ago

CBSE > Class 11 > Chemistry

1 answers

Dibya Darshan Sinha 6 years, 1 month ago

Kv school

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What are lone pair and Bond pairs

Posted by Yaduvansi Alok Kumar 6 years, 1 month ago

CBSE > Class 11 > Chemistry

1 answers

Tanvi Sharma 6 years, 1 month ago

Lone pair are unbonded electrons and bond pair are shared or paired electrons

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Why Cs is used in photoelectric effect

Posted by Ritika Singh 6 years, 1 month ago

CBSE > Class 11 > Chemistry

1 answers

Dhimoleji Presentation 6 years, 1 month ago

Because it has low ionisation enthalpy and therefore the electrons are easily ejected when exposed to light.

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chemistry annual blue print

Posted by Kapil Solanki 6 years, 1 month ago

CBSE > Class 11 > Chemistry

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What is meant by the conjugate acid-base pair? Find the conjugate acid/base for the following species: HNO²

Posted by King Thor 6 years, 1 month ago

CBSE > Class 11 > Chemistry

1 answers

Anish Physics 6 years, 1 month ago

Conjuate acid base pair differ by only one proton and conjugate acid is hydrogen acceptor and conjugate base is hydrogen repeller or

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Anyone from Kalyani Central Model School, Nadia

Posted by Rahul Yadav 6 years, 1 month ago

CBSE > Class 11 > Chemistry

1 answers

Ekta Guleria 6 years, 1 month ago

Why do you want to know .this app is not for your these useless questions

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Give example of three triatomic molecules

Posted by Dimpal Agrawal 12B 6 years, 1 month ago

CBSE > Class 11 > Chemistry

1 answers

Geeta Malhotra 6 years, 1 month ago

O3 Co2 H2o

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College me bhi hindi milti hai kya PCM stream student ko?

Posted by Royal Marine995 6 years, 1 month ago

CBSE > Class 11 > Chemistry

1 answers

Mr. Satym 6 years, 1 month ago

No brthr...

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Mayors equation

Posted by Vaibhav Kunal 6 years, 1 month ago

CBSE > Class 11 > Chemistry

2 answers

Priyanka Priya 6 years, 1 month ago

Cp-cv=R

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Anish Physics 6 years, 1 month ago

Cp-Cv=R

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My name is chotu

Posted by Shekhar Choudhary 6 years, 1 month ago

CBSE > Class 11 > Chemistry

4 answers

Tanvi Sharma 6 years, 1 month ago

Absolutely right

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Tiyasha . 6 years, 1 month ago

So what??

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Shekhar Choudhary 6 years, 1 month ago

Mujhe log gavar or nassu bulate h

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Shekhar Choudhary 6 years, 1 month ago

Me pagal hu

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Hess law of constant heat summation

Posted by Anshu Thakur 6 years, 1 month ago

CBSE > Class 11 > Chemistry

1 answers

Anish Physics 6 years, 1 month ago

If a reaction takes place several steps thrn its standard reaction enthalpy is the sum of standard enthalpies of the intermediate rxn into which the overall rxn may be divided at same temp

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