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Among group 18element only we can form compound Explian

Posted by Jagmmet Singh 8 years, 3 months ago

CBSE > Class 12 > Chemistry

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The acidic character among the hydrides of group 16 element increse with incresing atomic number Explian

Posted by Jagmmet Singh 8 years, 3 months ago

CBSE > Class 12 > Chemistry

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Explain , with proper reason, why nitrogen is a gas while other members of group 15 are solids?

Posted by Aryan Varshney 8 years, 3 months ago

CBSE > Class 12 > Chemistry

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what is oxidation number of p in H3Po4 acid

Posted by Jagmmet Singh 8 years, 3 months ago

CBSE > Class 12 > Chemistry

2 answers

Krystal Yadav 8 years, 3 months ago

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Rachit Goyal 8 years, 3 months ago

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Why NO2 DEMERISE?

Posted by Xyz Abc 8 years, 3 months ago

CBSE > Class 12 > Chemistry

1 answers

Summi Farheen 8 years, 3 months ago

Being an odd electron molecule it demerises to N2O4

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At 298k, 100ml solution cotaing 3.002g of solute gave as osmotic pressure of 2.55 atmosphere Find the molecular mass of solute

Posted by Jagmmet Singh 8 years, 3 months ago

CBSE > Class 12 > Chemistry

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A solution is prepared by dissolving 17.1g of sucrose [C12H22O11]in 100ml of solution find the osmotic pressure of solution at 20°C

Posted by Jagmmet Singh 8 years, 3 months ago

CBSE > Class 12 > Chemistry

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The lower oxidation states becomes more stable with increasing atomic no in group 16

Posted by Jagmmet Singh 8 years, 3 months ago

CBSE > Class 12 > Chemistry

1 answers

Rachit Goyal 8 years, 3 months ago

Due to inert pair effect of d&f subshells

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Phenol have smaller dipole moment than ethanol why

Posted by Puja Kumari 8 years, 3 months ago

CBSE > Class 12 > Chemistry

1 answers

Krystal Yadav 8 years, 3 months ago

Bcoz of double bond character

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What is crystal field theory

Posted by Kannu Sharma 8 years, 3 months ago

CBSE > Class 12 > Chemistry

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Pcc full form?

Posted by Sanjana Tyagi 8 years, 3 months ago

CBSE > Class 12 > Chemistry

1 answers

Shubham Soni 8 years, 3 months ago

Pyridinechloridechromate

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How ammonia is prepared by Hauors process

Posted by Shivam Kumar 8 years, 3 months ago

CBSE > Class 12 > Chemistry

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Atomic number of calcium

Posted by Gurvinder Brar 8 years, 3 months ago

CBSE > Class 12 > Chemistry

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What is chemisorption ?

Posted by Rupak Kumar 8 years, 3 months ago

CBSE > Class 12 > Chemistry

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Draw the

Posted by Pradeep Mandar 8 years, 3 months ago

CBSE > Class 12 > Chemistry

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Marking scheme of each chapter

Posted by Shruti R 8 years, 3 months ago

CBSE > Class 12 > Chemistry

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What is wutrz reaction?

Posted by Pushpendra Chhonker 8 years, 3 months ago

CBSE > Class 12 > Chemistry

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Rajat Raguvanshi 8 years, 3 months ago

Alkylhalides react with metallic sodium in the presence of dry ether to form symmetrical Alkanes containing double the no. Carbon atoms in Alkylhalides. This Ex is called wutrz Ex. CH - Br + 2Na + BrCH gives CH-CH + 2NaBr ³ ³ ³ ³

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Why sulphur exhibits greater tendency for catenation than selenium?

Posted by Akanksha Aphale 8 years, 3 months ago

CBSE > Class 12 > Chemistry

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polyester

Posted by Deepu Kumar 8 years, 3 months ago

CBSE > Class 12 > Chemistry

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How to prepare class 12 organic chemistry..in 1 months if u r very weak...plz suggest

Posted by The Godfather 8 years, 3 months ago

CBSE > Class 12 > Chemistry

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what is kolraush law

Posted by Khilavan Yadav 8 years, 3 months ago

CBSE > Class 12 > Chemistry

1 answers

Krystal Yadav 8 years, 3 months ago

The limiting molor conductivity of weak electrolyte is = to sum of cations and anions

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browain movement of collides

Posted by Jagmmet Singh 8 years, 3 months ago

CBSE > Class 12 > Chemistry

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What type of defect can arise when a solid is heated? Which phycal property is affected by it and what way?

Posted by Ritesh Verma 8 years, 3 months ago

CBSE > Class 12 > Chemistry

1 answers

Sonal Rohilla 8 years, 3 months ago

It will show vaccancy defect as on heting certain atoms or electron leaves there lattice point and that site is vaccant resulting in decreasing the density of solid

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Example of frenkal defect in solid state

Posted by Ritesh Verma 8 years, 3 months ago

CBSE > Class 12 > Chemistry