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The line spectrum is noticed during transition of electron from higher excited state to lower in H atom when it falls from

Posted by Shivam Sinha 8 years ago

CBSE > Class 11 > Chemistry

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Structure of (ccl3)c(cl)

Posted by Ritik Kumar 8 years ago

CBSE > Class 11 > Chemistry

0 answers

ANSWER

The density of water at 4 degree celcius is 1 g per cm cube . What is the volume occupied by 1 mole of molecules of water at 4 degree celcius?

Posted by Tuhin Palit 8 years ago

CBSE > Class 11 > Chemistry

0 answers

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Arrange the elements of second row in order of increasing second ionisation enthalpies.

Posted by Sid Deswal 8 years ago

CBSE > Class 11 > Chemistry

1 answers

Priyam Verma 8 years ago

Ra→Ba→Sc→Ca→Mg→Be

ANSWER

The density of

Posted by Tuhin Palit 8 years ago

CBSE > Class 11 > Chemistry

0 answers

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Hi my question is how dipole moment cancel each other

Posted by Varun Bisoi 8 years ago

CBSE > Class 11 > Chemistry

1 answers

Anurag Shakya 8 years ago

By resolving their vectors.

ANSWER

The IUPAC name for isobutyl chloride is :-

Posted by Ashish Vashisth 8 years ago

CBSE > Class 11 > Chemistry

1 answers

Anurag Shakya 8 years ago

1 chloro 2 methyl propane

ANSWER

Define inert pair effect

Posted by Karthi Keyan 8 years ago

CBSE > Class 11 > Chemistry

1 answers

Zukini G 8 years ago

Reluctance of outermost s electrons to partucipate in bonding

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Boron form no compound in unipositive state but thallium is unipositive state is quite stable. explain

Posted by Himanshu Sharma 8 years ago

CBSE > Class 11 > Chemistry

1 answers

Zukini G 8 years ago

Due to inert pair effect

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Sodium benzoate in heated with soda lime

Posted by Gurjit Kaur 8 years ago

CBSE > Class 11 > Chemistry

0 answers

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What happen when 2 methyel propen1all heated with sulphuric acid at 443kelvin temperature?

Posted by Anuradha Rai 8 years ago

CBSE > Class 11 > Chemistry

0 answers

ANSWER

Alkane

Posted by Aman Yadav 8 years ago

CBSE > Class 11 > Chemistry

1 answers

Vedant Bhamare 8 years ago

The carbon atoms containing single bond

ANSWER

Define resonance

Posted by Dhami Jii 8 years ago

CBSE > Class 11 > Chemistry

1 answers

Nivedita Yadav 8 years ago

Change of bond order

ANSWER

Electrochemical

Posted by Ashok Baghel 8 years ago

CBSE > Class 11 > Chemistry

0 answers

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In which process energy is released nd why ? A) S+e- =s- b) O- +e- =o-2

Posted by Harpreet Kaur 8 years ago

CBSE > Class 11 > Chemistry

0 answers

ANSWER

what do you mean by aromaticity?discuss huckle's rule of aromaticity in terms of various benzene and non-benzenoid rings.

Posted by Shazia Bashir 8 years ago

CBSE > Class 11 > Chemistry

1 answers

Satyam Kumar 8 years ago

For aromaticity 4 necessary things are there: - Polarity Delocalisation (4n+3)pie electron Planarity

ANSWER

Moment of inertia

Posted by Yash Samal 8 years ago

CBSE > Class 11 > Chemistry

1 answers

Aditi Verma 8 years ago

it is the product of mass and the square of distance between them from the axis of rotation. I=mr^2 n I= Σ i=1

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What will be the mass of one atom of C-12 in grams

Posted by Swati Yadav 8 years ago

CBSE > Class 11 > Chemistry

0 answers

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What will be the mass of one atom C-12 in grams.

Posted by Swati Yadav 8 years ago

CBSE > Class 11 > Chemistry

1 answers

Akash Soni 8 years ago

Mass of one C-12 atom= 12 u Since, 1 u = 1.67×10^-24 g So, mass in grams = 12×1.67×10^-24 g = 20.04 × 10^-24g

ANSWER

Mention two important ores of boron

Posted by Shekh Parwez 8 years ago

CBSE > Class 11 > Chemistry

0 answers

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Reactions to show acidic nature of alkynes

Posted by Priya Sehrawat 8 years ago

CBSE > Class 11 > Chemistry

0 answers

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Why PbCl4 is less stable than SnCl4

Posted by Vishal Sharma 8 years ago

CBSE > Class 11 > Chemistry

1 answers

Mansi Gupta 8 years ago

Because due to inert pair effect,Pb tends to have oxidation state of+2.Thus,PbCl2 is its more stable compound.

ANSWER

What is the ph of the solution which concentration is10-3

Posted by Devanshu Sharma 8 years ago

CBSE > Class 11 > Chemistry

2 answers

Kirti Agarwal 8 years ago

The pH is defined as negative logarithm of conc. of H+ ions. Taking the negative log of 10-3 gives the pH as 3 PS- I supposed the given conc. is that of H+ ions.

Vedant Bhamare 8 years ago

Neutral

ANSWER

How can you convert n-hexane to benzene?

Posted by Akhilesh Sahu 8 years ago

CBSE > Class 11 > Chemistry

1 answers

Rv Chandra 8 years ago

Aromatisation

ANSWER

Caster Keller

Posted by Karthi Keyan 8 years ago

CBSE > Class 11 > Chemistry

0 answers

ANSWER

is decrease in enthalpy the only criterion for spontanety

Posted by Bhawana Tanayan 8 years ago

CBSE > Class 11 > Chemistry

1 answers

Zukini G 8 years ago

Nops

ANSWER

why does a real crystal has more entropy than an idea l crystal

Posted by Bhawana Tanayan 8 years ago

CBSE > Class 11 > Chemistry

0 answers

ANSWER

why it is necessary to define the standard state

Posted by Bhawana Tanayan 8 years ago

CBSE > Class 11 > Chemistry

0 answers

ANSWER

what is perpetual motion machine is it possible

Posted by Bhawana Tanayan 8 years ago

CBSE > Class 11 > Chemistry

0 answers

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Cbse sample paper solutions

Posted by Shruti Malik 8 years ago

CBSE > Class 11 > Chemistry

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