No products in the cart.

Ask questions which are clear, concise and easy to understand.

Ask Question
  • 0 answers
  • 1 answers

Nikhil Chaturvedi 8 years, 3 months ago

Menh2 is stronger base then Meoh because of the elcetronegativity of N<O hence nitrogen easily loses Hydrogen atom whereas oxygen does not
  • 1 answers

Manpreet Singh 8 years, 3 months ago

In biology term reactant is called substrate.
  • 2 answers

Sonali Verma 8 years, 3 months ago

Due to presence of residual force on surface of adsorbent .

Abhishek Singh Thakur 8 years, 3 months ago

Adsorptuon takes place because of weak vanderwaals forces on the surface the adsorbent.as in the core of the adsorbent equal and opposite forces are acting on the molecules whereas on the surface these molecules are free from one side .so substace get adsorb on it to balance the force.
  • 2 answers

Kevan Mehta 8 years, 3 months ago

I think its pink

Shubham Singh 8 years, 3 months ago

Red
  • 2 answers

Nikhil Chaturvedi 8 years, 3 months ago

A poisonous gas called phosgene is created. Chcl3+o2=2cocl2 + 2hcl

Manpreet Singh 8 years, 3 months ago

See in NCERT chemistry of class 12 book 2nd page no. 308
  • 1 answers

Priya Dahiya 8 years, 3 months ago

Kf is known as cryoscopic constant and it is defined as depression in freezing point for 1 molal solution ( you can refer to NCERT page no 50)
  • 1 answers

Bhargav Singh 8 years, 3 months ago

PH'3 whwn react with HI it forms PH4 here P act as lewis base due to the presence of 1lone paur of electron this raeaction take place
  • 1 answers

Utkarsh Singh 8 years, 3 months ago

Because it has completely half filled d orbital
  • 2 answers

Nikhil Chaturvedi 8 years, 3 months ago

Ethyl amine is more basic than aniline because anilines lone pair is deloaclised on benzene ring making N unable to donate it's lone pair and to lose h atom whereas Ethyl is a bulky electron donating group and N can easily gain electron from Ethyl group making it more basic

Neha Jha 8 years, 3 months ago

Ethyleamine is more basic than aniline, in ethyleamine C2H5 have R group and it donate the electron
  • 0 answers
  • 0 answers
  • 1 answers

Nikhil Chaturvedi 8 years, 3 months ago

In physics and materials science, the Curie temperature (TC), or Curie point, is the temperature at which certain materials lose their permanent magnetic properties, to be replaced by induced magnetism. The Curie temperature is named after Pierre Curie, who showed that magnetism was lost at a critical temperature
  • 2 answers

Priya Dahiya 8 years, 3 months ago

It contains Cu2S and FeS (refer to NCERT page no156)

N V 8 years, 3 months ago

Cu2S and Cu2O formed during exteaction of pure copper from its oxide
  • 0 answers
  • 1 answers

Astik Baghel 8 years, 3 months ago

you can but not only
  • 1 answers

Shweta Kashyap 8 years, 3 months ago

Rakesh sir (sonepat)e paas ja they wil help
  • 1 answers

Prashant Tripathi 8 years, 3 months ago

First draw 5 c chain add methyl group on 5 c double bond on c --o on c carbon
  • 1 answers

Prashant Tripathi 8 years, 3 months ago

Use vbt theory
  • 1 answers

Neha Gupta 8 years, 3 months ago

Work against to neutralize acids
  • 0 answers
  • 1 answers

Nancy Deswal 8 years, 3 months ago

Dichloro diphenyle trichloro ethane
  • 2 answers

Sahiba Bhayana 8 years, 3 months ago

Benzene diazonium chloride reacts with aniline to give aminoazobenzene (yellow dye) is coupling rx.

Deepak Rawat 8 years, 3 months ago

Diazonimum salt react with reactive compound such as phenol in ice cold solution to formed bright colour dye called azo dye .This reaction is known as couplling reaction
  • 0 answers
  • 3 answers

Deepika Mohan 8 years, 3 months ago

White phosphorus is insoluble in water but soluble in carbon disulphite.But red phosphorus is insoluble in both

Simran Goswami 8 years, 3 months ago

White phosphorus have a property of chemiluminiscence that is it glows I dark while red phosphorus not

Dhananjay Kumar Sinha 8 years, 3 months ago

Red phosphorus is poisonous and white phosphorus is not
  • 1 answers

Rashi Bari 8 years, 3 months ago

Pyridinium chlorichromate (pcc) is an oxidising agent used for reduction for alcohols into carbonyl compounds. RCH2OH(alcohol)------pcc/CrO3(Collin's reagent)--------->RCHO(aldehyde)

myCBSEguide App

myCBSEguide

Trusted by 1 Crore+ Students

Test Generator

Test Generator

Create papers online. It's FREE.

CUET Mock Tests

CUET Mock Tests

75,000+ questions to practice only on myCBSEguide app

Download myCBSEguide App