CBSE > Class 12 > Chemistry | CBSE Board | Homework Help

: Total no. Of atoms (x) = n : Total no .of octahedral voids = no . Of atoms in the lattice = n : no of atoms of (Y)= 1/3 n X:Y = n : 1/3 n ( 'n' will cancel out ) :; formula = X3 y1 or X 3 Y

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Name the type of crystal deflect which is produced when NaCl crystal is doped with mgcl2

Posted by Anuj Kumar 7 years, 4 months ago

CBSE > Class 12 > Chemistry

1 answers

Muskan Verma 7 years, 4 months ago

Impurity defect

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Is anyone watching Keep Educationg Yourself vdos of chemistry by MUDASSIR . If yes then tell if i prepare notes of topics discuseed by him then they will enough or not plz reply

Posted by Abhat Singh 7 years, 4 months ago

CBSE > Class 12 > Chemistry

1 answers

Geetansh Arora 7 years, 4 months ago

Yes

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How acidic and basic character affected by Resonance

Posted by Abhat Singh 7 years, 4 months ago

CBSE > Class 12 > Chemistry

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Given that tge temperature coefficient for the saponification of ethyl acetate by NaOH is 1.75 . Calcualte the activation energy

Posted by Anu M 7 years, 4 months ago

CBSE > Class 12 > Chemistry

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CH3CO2H or CH2FCO2H which is stronger acid and why??

Posted by Pratibha Ydv 7 years, 4 months ago

CBSE > Class 12 > Chemistry

2 answers

Pratibha Ydv 7 years, 4 months ago

CH3CO2H is more stronger....but i dont know why...

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Drbn N 7 years, 4 months ago

CH2FCO2H Is a strong acid because Fluroine is highly unstable and react with almost any substance. Hence making is more strong and reactive acid

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Why bithunol us used in soap

Posted by Aina Tanveer 7 years, 4 months ago

CBSE > Class 12 > Chemistry

3 answers

Priyanka Rana 7 years, 4 months ago

Because of its antiseptic property

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Sweety Sweety 7 years, 4 months ago

Because it is a antiseptic ...

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Isha Sharma 7 years, 4 months ago

Because bithuol is a base

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Explain p-type semiconductor

Posted by Bhupendar Ggy 7 years, 4 months ago

CBSE > Class 12 > Chemistry

3 answers

Priyanka Rana 7 years, 4 months ago

Doping of group 13 elements in group14

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Unnati Verma. Unnati Verma. 7 years, 4 months ago

The addition of trivalent impurities such as Boron,aluminium, or gallium.

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Ravi Yadav 7 years, 4 months ago

Electron deficit semiconductor;adding impurities of group 13 in group 14

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what is centrimethyl with its structure and example with an eg. it's urgent...

Posted by Gaurav Sood 7 years, 4 months ago

CBSE > Class 12 > Chemistry

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What is soluble

Posted by Pawan Kumar 7 years, 4 months ago

CBSE > Class 12 > Chemistry

1 answers

Hassanain Akram 7 years, 4 months ago

Ability to dissolved in water

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What is gibbs free energy

Posted by Lakshay Bargotra 7 years, 4 months ago

CBSE > Class 12 > Chemistry

1 answers

Aryan Rajput 7 years, 4 months ago

Minimum amount of energy by which maximum amount of work can be done

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Scanner question

Posted by Sohil Qureshi 7 years, 4 months ago

CBSE > Class 12 > Chemistry

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Which have higher boiling point aldehyde or keton?

Posted by Pratibha Ydv 7 years, 4 months ago

CBSE > Class 12 > Chemistry

1 answers

Rohan Khokhar 7 years, 4 months ago

ketone bcz uska carbonyl group jada polar hota h

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What is the formula for tetra amino cichlid pico chromium(111)nitrate

Posted by Manali Yadav 7 years, 4 months ago

CBSE > Class 12 > Chemistry

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Why is 3° more reactive in SN1 reactions ??

Posted by Garima Bansal 7 years, 4 months ago

CBSE > Class 12 > Chemistry

1 answers

Pratibha Ydv 7 years, 4 months ago

B/c 3° cabrbocation is more stable and react very fast .

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Why the aliphatic carboxlic acids upto nine carbon atoms are colourless ?

Posted by Pratibha Ydv 7 years, 4 months ago

CBSE > Class 12 > Chemistry

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When we convert butanal to butanoic acid then what is used as a catayst?

Posted by Pratibha Ydv 7 years, 4 months ago

CBSE > Class 12 > Chemistry

2 answers

Pratibha Ydv 7 years, 4 months ago

I also did the same but AgNo3 was given in ans. And i think its strong reducing agent and it reducea two H-atoms and in CHO there is only one H- atom so cant be reduce by k2cr2o7

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Garima Bansal 7 years, 4 months ago

Butanal on oxidation gives butanoic acid. We can use K2Cr2O7 as an oxidising agent

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A decimolar solution of potassium ferrocyanide is50 percent dissociated at 500k calculate the osmotic pressure of solution

Posted by Anu Mishra 7 years, 4 months ago

CBSE > Class 12 > Chemistry