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On increasing temperature the conductivity of metallic conductor decreases while of electrolytic conductor increases why?

Posted by Utkarsh Singh 7 years, 5 months ago

CBSE > Class 12 > Chemistry

0 answers

ANSWER

Mechanism of antimarkonikow's

Posted by Arti Acharya 7 years, 5 months ago

CBSE > Class 12 > Chemistry

2 answers

Ritu Singh 7 years, 5 months ago

It shows free radical addition rxn

Azmat Ali 7 years, 5 months ago

Ch3-Ch= Ch2 + H^+Br ^ _ ------------( in the presence of peroxide ) ch3- ch2 -ch2br

ANSWER

1 property which is caused due to the presence of F-centres in a solid.

Posted by Himanshu Gupta 7 years, 5 months ago

CBSE > Class 12 > Chemistry

1 answers

Ritu Singh 7 years, 5 months ago

Appearance of colour and increase in conductance

ANSWER

Define amorphous solid

Posted by Shruti Pal 7 years, 5 months ago

CBSE > Class 12 > Chemistry

3 answers

Mansee Saini 7 years, 5 months ago

The solid whose molecules are not arranged in a proper order are known as amorphous solid

Ritu Singh 7 years, 5 months ago

Physical classification of matter having fixed shape,mass,volume

Shruti Pal 5 years, 8 months ago

Define solid

ANSWER

Do anybody have extra questions of chapter metals and non metals

Posted by Poorvshree Chaturvedi 7 years, 5 months ago

CBSE > Class 12 > Chemistry

0 answers

ANSWER

Is detectuon test of alcohols a part of our syllabus class 12

Posted by Naina Kumari 7 years, 5 months ago

CBSE > Class 12 > Chemistry

1 answers

Jeevesh Tiwari 7 years, 5 months ago

No mam not at all

ANSWER

Why nitrogen does not form pentahalides , please give full explanation

Posted by Abd Fan 7 years, 5 months ago

CBSE > Class 12 > Chemistry

1 answers

Rajat Gupta 7 years, 5 months ago

Absence of d orbitals

ANSWER

What is le -chateliers principle

Posted by Neeraj Agrawal 7 years, 5 months ago

CBSE > Class 12 > Chemistry

1 answers

Abhinav Sharma 7 years, 5 months ago

If the necessary conditions for a chemical reaction are changed, the the reaction tries to adjust itself in such a way so as to counteract the change to be stable

ANSWER

what is electrofile

Posted by Gaurav Verma 7 years, 5 months ago

CBSE > Class 12 > Chemistry

1 answers

Azmat Ali 7 years, 5 months ago

Electrophiles are electron - loving chemical species . They are either positively charged or electrically neutal chemical species

ANSWER

What are ellinghum diagram

Posted by Prashant Kumar 7 years, 5 months ago

CBSE > Class 12 > Chemistry

0 answers

ANSWER

Which method depend on water filter to do pure water

Posted by Gaurav Singh 7 years, 5 months ago

CBSE > Class 12 > Chemistry

1 answers

Suaib Khan 7 years, 5 months ago

Osmosis

ANSWER

What is markownikoff'srule?

Posted by Tenzin Wangcho 7 years, 5 months ago

CBSE > Class 12 > Chemistry

2 answers

Abhinav Sharma 7 years, 5 months ago

The negative part of the addendum (adding ion) gets attached to the carbon atom containing lesser no. hydrogen. To be more specific definitionwise

Ritu Singh 7 years, 5 months ago

When an unsymmetrical alkene acts with halogen acid then the (-)ve part goes to that doubly bonded carbon which has less no. Of hydrogen CH3-CH=CH2 +HBr-------CH3-CHBr-CH3

ANSWER

How to solve conversion questions in onganics

Posted by Ashray Jain 7 years, 5 months ago

CBSE > Class 12 > Chemistry

0 answers

ANSWER

The mole fraction of methanol in an aqueous solution is 0.02 and density is 0.994g/cubic cm determine the molarity molality

Posted by Deepak Kumar 7 years, 5 months ago

CBSE > Class 12 > Chemistry

0 answers

ANSWER

An element crystalize with cell edge of 500pm.the density of the element is 7.5g/cm3.how many atoms are present in 500g of element.

Posted by Rz Yash Arya 7 years, 5 months ago

CBSE > Class 12 > Chemistry

0 answers

ANSWER

Three diffences between emission and absorption spectrum?

Posted by Pranjal Behra 7 years, 5 months ago

CBSE > Class 12 > Chemistry

0 answers

ANSWER

Element of pd

Posted by Shagun Deep 7 years, 5 months ago

CBSE > Class 12 > Chemistry

0 answers

ANSWER

Write the name of monosaccharides which are obtained after the hydrolysis of lactose

Posted by Edward Lalthanngura 7 years, 5 months ago

CBSE > Class 12 > Chemistry

1 answers

Ritu Singh 7 years, 5 months ago

Glucose and galactose

ANSWER

Why aniline does not give freedal craft reaction

Posted by Sakshi Gupta 7 years, 5 months ago

CBSE > Class 12 > Chemistry

1 answers

Rishabh Sahu 7 years, 5 months ago

Aniline doesn't undergo friedel crafts reaction due to salt formation with AlCl3 ,the Nitrogen of aniline acquires +ve charge and acts as a deactivating group . Deactivating groups prohibit friedel crafts reaction. Ncert part 2 pg 395 last para in my words

ANSWER

Why are the cathode & the Anode partially dipped in the electrolyte during electrolysis????

Posted by Tamoghna Roy 7 years, 5 months ago

CBSE > Class 12 > Chemistry

1 answers

Datyam Singh 7 years, 5 months ago

Because cathod and Anode create ion namely cation and Anion ..by which the electricity is produced by movement of ions.

ANSWER

What is chemical kinetic?

Posted by Basavaraj Nayak 7 years, 5 months ago

CBSE > Class 12 > Chemistry

1 answers

Utsav Anand 7 years, 5 months ago

Chemical kinetics is the topic which deals with the rate at which a particular reaction is taking place

ANSWER

Sir please give notes in hindi

Posted by Pawan Yadav 7 years, 5 months ago

CBSE > Class 12 > Chemistry

0 answers

ANSWER

what is chromatographic method

Posted by Navneet Kumar 7 years, 5 months ago

CBSE > Class 12 > Chemistry

1 answers

Utsav Anand 7 years, 5 months ago

Chromotographic method is that which seperate organic substances

ANSWER

When fillup improvement form

Posted by Abhishek Saini 7 years, 5 months ago

CBSE > Class 12 > Chemistry

0 answers

ANSWER

role of chemistry in agriculture

Posted by Praveen Singh 7 years, 5 months ago

CBSE > Class 12 > Chemistry

1 answers

Ashish Sharma 7 years, 5 months ago

To provide fertility to soil for better Crosp

ANSWER

An element forms body centre clinic unit cell . The edge length of unit cell is 288 pm and density is 7.2 gcm^-3.Calculate the number of taims are present in 208 g of element.

Posted by Komal Sharma 7 years, 5 months ago

CBSE > Class 12 > Chemistry

0 answers

ANSWER

Can u explain the chapter of chemical kinematics in easy way??

Posted by Vikram Kumar Gupt 7 years, 5 months ago

CBSE > Class 12 > Chemistry

0 answers

ANSWER

Show that decomposition of N20 is first order rxn. Time ( min) % decomposed 30 32 53 50 63 57 80 65 100 73 120 78

Posted by Sparsh Sharma 7 years, 5 months ago

CBSE > Class 12 > Chemistry

0 answers

ANSWER

How would you synthesis 44 methoxy phenol from bromo benzene in not more than 5 steps state clearly the reagent use in each steps

Posted by Bhoomika Bhoomika 7 years, 5 months ago

CBSE > Class 12 > Chemistry

0 answers

ANSWER

State pauli's exclusion principle

Posted by Ali Mustafa Kamal 7 years, 5 months ago

CBSE > Class 12 > Chemistry

1 answers

Sara Aijaz 7 years, 5 months ago

No two occupied electron orbital can have same set of quantum number . It has to be different

ANSWER

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