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How many chapters numericals are given in paper

Posted by Ramdayal Ramdayal 8 years, 1 month ago

CBSE > Class 12 > Chemistry

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Structures of pcl5 xeof4

Posted by Kajal Yadav 8 years, 1 month ago

CBSE > Class 12 > Chemistry

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Convert toulene to benzaldehyde

Posted by Bharat Singh 8 years, 1 month ago

CBSE > Class 12 > Chemistry

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Azeotropes

Posted by Ayush Sharma Ayush Sharma 8 years, 1 month ago

CBSE > Class 12 > Chemistry

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Niharika Joshi 8 years, 1 month ago

Constant boiling mixture distilled as pure component

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Why u r writing physics on the topic of chemistry in CBSE important question of polymer chapter....waao what greatfull mind i have ever seen.

Posted by Shivani Roy 8 years, 1 month ago

CBSE > Class 12 > Chemistry

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Define Kraft temperature

Posted by Gunjan Negi 8 years, 1 month ago

CBSE > Class 12 > Chemistry

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Narayan Bhoj 8 years, 1 month ago

The minimum temperature above which formation of micelles takes place

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Why NO2 is not effective in meta position

Posted by Maitryee Gol 8 years, 1 month ago

CBSE > Class 12 > Chemistry

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CH Ccl CH CH2

Posted by Rajesh Kashyap 8 years, 1 month ago

CBSE > Class 12 > Chemistry

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The rate law of reaction is r=(NO)^2 (O2) How will the rate of reaction change if volume of vessel is demised to 1/3 of its original value. Will these be any change in order of a reaction

Posted by Yash Raj Chaudhary 8 years, 1 month ago

CBSE > Class 12 > Chemistry

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How does the resistance of metallic conductor change with temperature

Posted by Rohit Nandan 8 years, 1 month ago

CBSE > Class 12 > Chemistry

2 answers

Soumya Sakshi 8 years, 1 month ago

Simply,with the increase in temperature , resistance of metallic conductor increases

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Soumya Sakshi 8 years, 1 month ago

With the increase in temperature, average relaxation time decreases as the frequency of Collisions of electrons with the atom/ion of the metallic conductor increases.As resistance is inversely proportional to average relaxation time,therefore with its decrease resistance of metallic conductor increases.

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Why phenols are more acidic than alcohols?

Posted by Abel Sam 8 years, 1 month ago

CBSE > Class 12 > Chemistry

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Vaibhav Singh 8 years, 1 month ago

Because of positive inductive effect

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Vbq question Rita takes sugar while Renu prefers Aspartame in soft drinks for falvaour A) What is the Renu trying to avoid

Posted by Abhishek Rathod 8 years, 1 month ago

CBSE > Class 12 > Chemistry

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Sarika Phalaswal 8 years, 1 month ago

Renu is trying to avoid sugar which can increase her blood cholestrol and finally result in diabetes

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Soumya Sakshi 8 years, 1 month ago

Cholesterol

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Fist order reaction

Posted by Chandan Gupta 8 years, 1 month ago

CBSE > Class 12 > Chemistry

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Aniket Yadav 5 years, 11 months ago

rxn in which sum of powers of all terms in rate law is 1

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Rohit Bisht 8 years, 1 month ago

Any rxn of power 1

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How we can determine the value of n in nernst equation??

Posted by Anudita Bhushan 8 years, 1 month ago

CBSE > Class 12 > Chemistry

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Why is sulphuric acid not used during the reaction of alcohols with KI?

Posted by Dr Devanshi 8 years, 1 month ago

CBSE > Class 12 > Chemistry

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What is effective temperature

Posted by Pooja Chetri 8 years, 1 month ago

CBSE > Class 12 > Chemistry

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Although phenoxide ion has more no of resonating structure

Posted by Resham Salhotra 8 years, 1 month ago

CBSE > Class 12 > Chemistry

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What is ethanolysis

Posted by Deependra Kumar 8 years, 1 month ago

CBSE > Class 12 > Chemistry

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What is hyperconjugation effect

Posted by Suraj Singh 8 years, 1 month ago

CBSE > Class 12 > Chemistry

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Priya Singh 7 years, 11 months ago

Hyper Conjugation
1.It is a permanent electron displacement effect.
2.Hyper conjugation is also called as " No bond "Resonance
a) More alpha C - H bond,more will be the no bond resonating structure (Hyper conjugation)
b) More alpha (C - H ) bond more will be the stability of free radical.

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What is the mole fraction of oxygen in water ?

Posted by Nitish Sahu 8 years, 1 month ago

CBSE > Class 12 > Chemistry