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The vapour pressure of water at room temperature is lowered by 5% by dissolving a solute in it then the approximate molality of solution is

Posted by Rohan Arora 6 years, 1 month ago

Entrance Exam > JEE main > Chemistry

0 answers

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What will be the cutoff of jeemain offline paper 1 2018 for obc

Posted by Bhawna Sah 6 years, 1 month ago

Entrance Exam > JEE main > Chemistry

0 answers

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What will be the cutoff of jeemain 2018 for obc - NCL

Posted by Bhawna Sah 6 years, 1 month ago

Entrance Exam > JEE main > Chemistry

0 answers

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Total number of lone pair of electron in I3- ion

Posted by Saurav Kumar 6 years, 1 month ago

Entrance Exam > JEE main > Chemistry

1 answers

Anku D 6 years, 1 month ago

12

ANSWER

Name an organic chemical compound which is used to treat alcoholism?

Posted by Rajat Agarwal 6 years, 1 month ago

Entrance Exam > JEE main > Chemistry

0 answers

ANSWER

Redox reaction

Posted by Pallavi Priya 6 years, 1 month ago

Entrance Exam > JEE main > Chemistry

1 answers

Rajat Agarwal 6 years, 1 month ago

A reaction in which both oxidation and reduction takes place.

ANSWER

Which of the following has the maximum number of unpaired elctonrs ? (A).Mg2+,(B).Ti3+,(C).V3+,(D).Fe2+.

Posted by Tj Vikas 6 years, 1 month ago

Entrance Exam > JEE main > Chemistry

0 answers

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What r the important portions for physics jee 2018

Posted by Lulu I 6 years, 1 month ago

Entrance Exam > JEE main > Chemistry

1 answers

Kamal Karshaniya 5 years, 6 months ago

Most important is modern physics

ANSWER

List one way in which u'r life is directly depend on fossil file

Posted by Nandini L 6 years, 1 month ago

Entrance Exam > JEE main > Chemistry

1 answers

Mehul Suneja 6 years, 1 month ago

Bc

ANSWER

Mention condition required to maximize the yield of ammonia

Posted by Rajat Agarwal 6 years, 1 month ago

Entrance Exam > JEE main > Chemistry

1 answers

Rishabh Sahu 6 years, 1 month ago

One condition is 760 Kelvin temperature or 487 degree Celsius.

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Which is lightest element in d block

Posted by Padma Largail 6 years, 1 month ago

Entrance Exam > JEE main > Chemistry

1 answers

Rajat Agarwal 6 years, 1 month ago

Scandium

ANSWER

What is the oxidation number of carbonyl carbon in methanal

Posted by Neeraj Katre 6 years, 1 month ago

Entrance Exam > JEE main > Chemistry

2 answers

Rajat Agarwal 6 years, 1 month ago

Carbon in methanal (HCHO) PRESENT IN 0 P IDEATION STATE Let carbon have oxidation state=x Then x+2(1)+1(-2)=0 =x+2-2=0 x=0

Neeraj Katre 6 years, 1 month ago

0

ANSWER

mole formula

Posted by Azhar Ali 6 years, 1 month ago

Entrance Exam > JEE main > Chemistry

1 answers

Azhar Ali 6 years, 1 month ago

z/2

ANSWER

Need revision notes for thus subject

Posted by Rohit Pns 6 years, 1 month ago

Entrance Exam > JEE main > Chemistry

0 answers

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Bldiborane structure

Posted by Tanul Mishra 6 years, 1 month ago

Entrance Exam > JEE main > Chemistry

0 answers

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Why do xenon has high boiling point than helium

Posted by Akshay Reddy Kethidi 6 years, 1 month ago

Entrance Exam > JEE main > Chemistry

1 answers

Khyati Dave 6 years, 1 month ago

Bcoz size of xenon is more than helium

ANSWER

How are cluster form???

Posted by Vinima Patle 6 years, 1 month ago

Entrance Exam > JEE main > Chemistry

0 answers

ANSWER

In aq. medium primary amines are better base than tertiary amines.Explain.

Posted by Tushar Pandey 6 years, 1 month ago

Entrance Exam > JEE main > Chemistry

1 answers

Rajat Agarwal 6 years, 1 month ago

Because of strict hindrance, salvation energy and inductive effect plays a subtle role in aqueous solution.

ANSWER

what is freundlic isotherm?

Posted by Shubham Kumar 6 years, 1 month ago

Entrance Exam > JEE main > Chemistry

2 answers

Rajat Agarwal 6 years, 1 month ago

Freundlich absorption isotherm is an empirical relation between concentration of solute at the surface of adsorbent and the concentration of solute in the bulk of that absorbent. x/m=kP^(1/n) where x is mass of solute absorbed. m is mass of adsorbent. p is pressure and k or 1/n is constant.

Vipul Jain 6 years, 1 month ago

log(x/m) = (1/n)logp + logk

ANSWER

Convert cyclohexane to cyclohexanone

Posted by Prince Kamboj 6 years, 1 month ago

Entrance Exam > JEE main > Chemistry

0 answers

ANSWER

Toulence

Posted by Srikar Srikar 6 years, 1 month ago

Entrance Exam > JEE main > Chemistry

2 answers

Vipul Jain 6 years, 1 month ago

C6H5CH3

Shiv Sagar 6 years, 1 month ago

C6H5CH3

ANSWER

Which one have higher boiling point unbranched alcohol and branched alcohol

Posted by Rajat Agarwal 6 years, 1 month ago

Entrance Exam > JEE main > Chemistry

2 answers

Shiv Sagar 6 years, 1 month ago

Unbranched due to greater surface area

Kartik Pande 6 years, 1 month ago

Branched alcohol due to minimum surface area

ANSWER

The monomer of nylon fiber is _______molecule

Posted by Ayush Parmar 6 years, 1 month ago

Entrance Exam > JEE main > Chemistry

1 answers

Vipul Jain 6 years, 1 month ago

nylon66- hexamethylenediamine and adipic acid nylon6- caprolactam

ANSWER

The electronic configuration of Cu || is 3d9 whereas that of Cu | is 3d10 which is stable why??

Posted by Narasimha Karanth 6 years, 1 month ago

Entrance Exam > JEE main > Chemistry

2 answers

Shiv Sagar 6 years, 1 month ago

Due to stable configuration in 3d10 All orbital are filled

Pooja Agarwal 6 years, 1 month ago

Cu I

ANSWER

Sample paper with answer

Posted by Hitesh Yadav 6 years, 2 months ago

Entrance Exam > JEE main > Chemistry

0 answers

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Why alkali metal react with ammonia

Posted by Yaahveer Singh 6 years, 2 months ago

Entrance Exam > JEE main > Chemistry

0 answers

ANSWER

Daltons lae of partial pressure

Posted by Vikrant Rana 6 years, 2 months ago

Entrance Exam > JEE main > Chemistry

1 answers

Pooja Agarwal 6 years, 1 month ago

Dalton's law state the fact that the total pressure of a mixture of gases is equal to sum of partial pressure of individual gases.

ANSWER

name two sceintist who established the laws of chemical combination

Posted by Frooq Neha 6 years, 2 months ago

Entrance Exam > JEE main > Chemistry

0 answers

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How to determine the order of reaction from graph

Posted by Ashu Bajpai 6 years, 2 months ago

Entrance Exam > JEE main > Chemistry

0 answers

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What is the Graph of first order reaction between conc. Of reactants vs time ?

Posted by Ashu Bajpai 6 years, 2 months ago

Entrance Exam > JEE main > Chemistry

1 answers

Shiv Sagar 6 years, 1 month ago

Straight line graph

ANSWER

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