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(dil.) H2so4. 2CH3CH2OH ----------------- CH3CH2OCH2CH3 ..... 413k. ......... ye SN1 hai ya SN2 reaction kese pata chalega

Posted by Sheetal Wankhede 8 years, 2 months ago

CBSE > Class 12 > Chemistry

1 answers

Sheetal Wankhede 8 years, 2 months ago

........................dil.H2SO4.................................2CH3CH2OH ======== CH3CH2OCH2CH3 ..........................413K.................................................................................................................. yeh reaction SN1 hai ya SN2 ye kese pata chalega? Or isaki mechanism kese yaad rakhe.

ANSWER

What is allotropy?

Posted by Muskaan Sharma 8 years, 2 months ago

CBSE > Class 12 > Chemistry

1 answers

Garima Jain 8 years, 2 months ago

Those substance which are made up of same elements but having different bonding arrangement are known as allotropes and this phenomenon is known as allotropy.

ANSWER

3,3-dimethyl-1-butene + H2O -------------> ?

Posted by Hitesh Rana 8 years, 2 months ago

CBSE > Class 12 > Chemistry

1 answers

Sheetal Wankhede 8 years, 2 months ago

3,3dimethyl butan-2-ol

ANSWER

Ethylmethanoate + CH3MgBr ----------->

Posted by Hitesh Rana 8 years, 2 months ago

CBSE > Class 12 > Chemistry

0 answers

ANSWER

What is important in ch- solution ??

Posted by J K 8 years, 2 months ago

CBSE > Class 12 > Chemistry

1 answers

Anushka Tripathi 8 years, 2 months ago

Numericals and theory of all colligative properties

ANSWER

Poor shielding effect of d orbital..?

Posted by Bun Ny 8 years, 2 months ago

CBSE > Class 12 > Chemistry

1 answers

Cool Dude 8 years, 2 months ago

They are not able to protect outermost shell electrons by attraction of nucleus.

ANSWER

What is difference between acidic character and reducing nature of oxygen family

Posted by Manshikha Sirari 8 years, 2 months ago

CBSE > Class 12 > Chemistry

0 answers

ANSWER

What is the weightage of EVERYDAY LIFE ??

Posted by Arth Koshta 8 years, 2 months ago

CBSE > Class 12 > Chemistry

1 answers

Pranjali Mahajan 8 years, 2 months ago

Not more than 3

ANSWER

How to get instant latest news about cbse on mobike through sms

Posted by Rithik Kalal 8 years, 2 months ago

CBSE > Class 12 > Chemistry

1 answers

Cool Dude 8 years, 2 months ago

I wanna know the same ?

ANSWER

Uses of aldehydes and ketones

Posted by Diki Ana Bhutia 8 years, 2 months ago

CBSE > Class 12 > Chemistry

1 answers

Cool Dude 8 years, 2 months ago

1. Their knowledge is required to get good marks in on board exams. ??

ANSWER

Kitne bar preboard ho chuke h ?

Posted by Kajal Bhardwaj 8 years, 2 months ago

CBSE > Class 12 > Chemistry

8 answers

Kajal Bhardwaj 8 years, 2 months ago

But it is time for self study

Anushka Tripathi 8 years, 2 months ago

...3 preboard is so simple

Kajal Bhardwaj 8 years, 2 months ago

Same here 3 times presan ho chuke h

Sharma Saabh 8 years, 2 months ago

**** 3pre board kaise jhele

Sharma Saabh 8 years, 2 months ago

Hlo kajal .....

Shivani Rana 8 years, 2 months ago

Second is going on....??

Ujjawal Sharma 8 years, 2 months ago

2

Anushka Tripathi 8 years, 2 months ago

3 times

ANSWER

What is glucose

Posted by Tana Numi Tana Numi 8 years, 2 months ago

CBSE > Class 12 > Chemistry

2 answers

Vidhi Rawat 8 years, 2 months ago

Glucose is one of monosaccharide (simple carbohydrate)

Anushka Tripathi 8 years, 2 months ago

What nonsense question is this...u r in class 12 nd so silly u r.??

ANSWER

Prepration of toulene

Posted by Nikki Kumari 8 years, 2 months ago

CBSE > Class 12 > Chemistry

2 answers

Anushka Tripathi 8 years, 2 months ago

Is it helpful.. Or not

Anushka Tripathi 8 years, 2 months ago

Wurtz-futtig rxn . Chlorobenzene +2Na+cl-CH3 ---- Toluene +2Nacl.

ANSWER

How is isopropyl alcohol converted to propene by dehydration reaction?

Posted by Soujanya Sobarad 8 years, 2 months ago

CBSE > Class 12 > Chemistry

1 answers

Manshikha Sirari 8 years, 2 months ago

Simply by elemination rxn.. i.e removal of oh with carbon by which oh is attached and removal of H from other carbon se automatically double bonding takes place

ANSWER

How many coulombs of electricity is needed to convert 0.1 mol of MnO4- to mn2+ ions in acidic medium?

Posted by Shivam Bansal 8 years, 2 months ago

CBSE > Class 12 > Chemistry

0 answers

ANSWER

Define occlusion?

Posted by Mahesh Gautam 8 years, 2 months ago

CBSE > Class 12 > Chemistry

0 answers

ANSWER

Which is stronger acid phenol or cresol? Explain

Posted by Iveleen Mal 8 years, 2 months ago

CBSE > Class 12 > Chemistry

2 answers

A Siri 8 years, 2 months ago

Phenol is weak acid and cresol is also a phenol

Sujit Datta 8 years, 2 months ago

Phenol as in cresol, it has a + I effect

ANSWER

What method is used to refined Zn

Posted by Prakash Yadav 8 years, 2 months ago

CBSE > Class 12 > Chemistry

2 answers

Jubbal Yadav 8 years, 2 months ago

By electro refining method

A Siri 8 years, 2 months ago

Refluxing process

ANSWER

H3po4 non reducing while h3po2 reducing why

Posted by Jasmine Zaidi 8 years, 2 months ago

CBSE > Class 12 > Chemistry

2 answers

Dhirender Kumar 8 years, 2 months ago

In H3PO4 ox. State of P is +5 while in H3PO2 IT IS +1 SO IN H3PO2 P CAN CHANGE ITS STATE FROM +1 TO +5 SHOWING REDUCING NATURE WHILE IN H3PO4 P CAN'T INCREASE ITS OX STATE FURTHER

Ritu Gupta 8 years, 2 months ago

Because H3Po4 does not have any P-H bond which can break while H3PO2 have two P-H bond which breaks and show reducing character. Remember always it is the P-H bond which can break to show reducing property not O-H bond.

ANSWER

How is pottasium permagnet prepared

Posted by Akash Yadav 8 years, 2 months ago

CBSE > Class 12 > Chemistry

0 answers

ANSWER

How can we distinguish ethanol and phenol

Posted by Dhruv Gupta 8 years, 2 months ago

CBSE > Class 12 > Chemistry

6 answers

Ritu Dhanda 8 years, 2 months ago

Tollen reagent

Pranjali Mahajan 8 years, 2 months ago

I think even Lucas can be the test

Bhumika Meena 8 years, 2 months ago

Phenol give fecl3 test but ethanol doesnot

Bhumika Meena 8 years, 2 months ago

Fecl3 test

Manvi Anand 8 years, 2 months ago

BY ADDING NaOH + I2 (IODOFORM) in ethanol in which ethanol give test but phenol cannot OR Also ,u can add feCl3 in which phenol can give but ethanol cannot

Ujjawal Sharma 8 years, 2 months ago

Litmus test

ANSWER

Vedeo of how to analysis salt (nh4)2so4

Posted by Shivam Singh 8 years, 2 months ago

CBSE > Class 12 > Chemistry

0 answers

ANSWER

Chemisorption is highly specific

Posted by Naveen Manral 8 years, 2 months ago

CBSE > Class 12 > Chemistry

1 answers

Manshikha Sirari 8 years, 2 months ago

In Chemiosorption bond formation takes place so. The adsorbent must be. Very specific so that it can make bond with adsorbate..

ANSWER

How we can difference between primary and secondary amene

Posted by Krystal Yadav 8 years, 2 months ago

CBSE > Class 12 > Chemistry

1 answers

Lisa Sahu 8 years, 2 months ago

Heinsberg test

ANSWER

Hybridisation of clo3

Posted by D K 8 years, 2 months ago

CBSE > Class 12 > Chemistry

0 answers

ANSWER

important topic of haloalkene and haloarene in board exam

Posted by Jaya Singh 8 years, 2 months ago

CBSE > Class 12 > Chemistry

1 answers

Kritika Gaur 8 years, 2 months ago

All named reactions and mechanism

ANSWER

Write cathode and anode reaction of Nickel Cadmium cell?

Posted by Vivek Gupta 8 years, 2 months ago

CBSE > Class 12 > Chemistry

0 answers

ANSWER

What is column in conductivity cell

Posted by Siddharth Aggarawal 8 years, 2 months ago

CBSE > Class 12 > Chemistry

0 answers

ANSWER

disproportionation reaction

Posted by Shivanshu Sharma 8 years, 2 months ago

CBSE > Class 12 > Chemistry

0 answers

ANSWER

If we know Z, then how to find number of constituent ions.

Posted by Shahil Agrawal 8 years, 2 months ago

CBSE > Class 12 > Chemistry

0 answers

ANSWER

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