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What is competitive inhibitors and allosteric site?

Posted by Sheetal Wankhede 7 years, 11 months ago

1 answers

Shambhavi Singh 7 years, 11 months ago

The substances which inhibit the activity of enzymes r called as competitive inhibitors. The substances which bind the enzyme at the site other than active site ,,,,,this other site is allosteric site . It either activates or inhibits the activity of enzymes.

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What is drug target?

Posted by Sheetal Wankhede 7 years, 11 months ago

CBSE > Class 12 > Chemistry

1 answers

Shambhavi Singh 7 years, 11 months ago

Biological macromolecules such as carbohydrates, lipids , proteins , nucleic acids are known as target molecules or drug target.

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Why transition metals form colored compound

Posted by Sahil Brj 7 years, 11 months ago

CBSE > Class 12 > Chemistry

2 answers

Shivi Rao 7 years, 11 months ago

Due to dd transition transition metals show coloured compound.

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Ashish Singh 7 years, 11 months ago

Due to unpaired electrons. Or in simple words due to dd transition

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What is the molar mass

Posted by Rohit Sharma 7 years, 11 months ago

CBSE > Class 12 > Chemistry

1 answers

Arvind Kumar Sinha 7 years, 11 months ago

Molar mass is a physical property defined as the mass of given substance ( chemical or chemical compounds) divided by amount of substance.Its S.I. unit is Kg/mole.

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ammonia can be dried by

Posted by Ritesh Dev 7 years, 11 months ago

CBSE > Class 12 > Chemistry

1 answers

Arvind Kumar Sinha 7 years, 11 months ago

Ammonia can be dried by calcium oxide i.e. quick lime (CaO).

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Fuctions of standard hydrogen electrode

Posted by Irfana Shaikh 7 years, 11 months ago

CBSE > Class 12 > Chemistry

1 answers

Arvind Kumar Sinha 7 years, 11 months ago

To find electrode potential of other electrode.

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Define Autocatalysis?

Posted by Salman Khan 7 years, 11 months ago

CBSE > Class 12 > Chemistry

1 answers

Arvind Kumar Sinha 7 years, 11 months ago

Reaction in which reactants itself acts as a catalyst, is known as autocatalysis.

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What is Ebullioscopic Constant ?

Posted by Salman Khan 7 years, 11 months ago

CBSE > Class 12 > Chemistry

1 answers

Nidhi Verma 7 years, 11 months ago

Ebullioscopic Constant is equals to elevation in b.p. when molality of the solution is unity.

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ANSWER

What is Cryoscopic Constant ?

Posted by Salman Khan 7 years, 11 months ago

CBSE > Class 12 > Chemistry

1 answers

Nidhi Verma 7 years, 11 months ago

Cryoscopic Constant is equals to depression in freezing point when molality of the solution is unity.

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Important topic of ch d and f block

Posted by Vidhi Rawat 7 years, 11 months ago

CBSE > Class 12 > Chemistry

2 answers

Shivi Rao 7 years, 11 months ago

1. Why transition element show variable oxidation state? 2. Why transition element show complex compound. 3. Preparation of k2Cr2O7 or KMnO4 4. What is lanthanoid contradiction? Write Its causes and consequences.

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Nidhi Verma 7 years, 11 months ago

Reasoning, preparation of K2Cr2O7, preparation of KMnO4, Lanthanoid contraction(causes and consequences)

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Define frenkle defect

Posted by Mithlesh Choudhary 7 years, 11 months ago

CBSE > Class 12 > Chemistry

1 answers

Mithlesh Choudhary 7 years, 11 months ago

In this defect particles are leave from its lattice point and space occupy at interstitial site and in this defect density of compound is remains constant

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What is heterogeneous

Posted by Sushang Singh 7 years, 11 months ago

CBSE > Class 12 > Chemistry

0 answers

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A green colour compound A on fusion with alkali gave a yellow compound B which on acidification gives orange compound C .C on reaction with NH4Cl give orange compound D . Which on heating gives back A.identify A to D

Posted by Rithik Bose 7 years, 11 months ago

CBSE > Class 12 > Chemistry

0 answers

ANSWER

Why are two strands complementary to each other?

Posted by Muskan Rana 7 years, 11 months ago

CBSE > Class 12 > Chemistry

1 answers

Siddharth Basu 7 years, 11 months ago

Due to A-G and T-C bases pairing

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What is +I effect and -I effect?

Posted by Ankur Mishra 7 years, 11 months ago

CBSE > Class 12 > Chemistry

1 answers

Pratishtha Gupta 7 years, 11 months ago

+ I and-I are the electron releasing and electron withdrawing effects respectively

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Titration m rinsing kya Hoti hai aur kase Hoti hai ....... please bta do ??

Posted by Muskan Bhardwaj 7 years, 11 months ago

CBSE > Class 12 > Chemistry

0 answers

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Transition elements sometimes exhibit very low oxidiation states such as +1 and 0. Why?

Posted by Shilpi Siddhant 7 years, 11 months ago

CBSE > Class 12 > Chemistry

0 answers

ANSWER

Latest sample paper of chemistry in 2017

Posted by Arti Soren 7 years, 11 months ago

CBSE > Class 12 > Chemistry

1 answers

Ankita Nayak 7 years, 11 months ago

Arihant and ncert textbook

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What is non-volatile solution?

Posted by Nikhil Rajawat 7 years, 11 months ago

CBSE > Class 12 > Chemistry

1 answers

Nidhi Verma 7 years, 11 months ago

Solute is non-volatile and solvent is volatile.

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Chemistry practicle viva imp ques ?? can any body tell ?

Posted by Azeem Khan 7 years, 11 months ago

CBSE > Class 12 > Chemistry

0 answers

ANSWER

What is Hoffman bromide degradation reaction

Posted by Annand Tiwary 7 years, 11 months ago

CBSE > Class 12 > Chemistry

1 answers

Salman Khan 7 years, 11 months ago

When a primary amide is treated with bromine in the presence of alcoholic sodium or potassium hydroxide, amine is formed which contain one carbon less than rhe primary amide.

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Why is bleaching powder permanent bleaching agent?

Posted by Shree Sahay 7 years, 11 months ago

CBSE > Class 12 > Chemistry

1 answers

Ankit Chauhan Rajput 7 years, 11 months ago

Nascent oxygen

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Write the structure and IUPAC name of the alcohol which can be obtained by hydration of isobutyelene in the precence of conc H2SO4.

Posted by Shilpi Siddhant 7 years, 11 months ago

CBSE > Class 12 > Chemistry

2 answers

Shilpi Siddhant 7 years, 11 months ago

Thanks

1Thank You

Eati Srinivasa Rao 7 years, 11 months ago

Tertiary butyl alcohol . It's IUPAC name is 2-methyl propan-2-ol

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ClF3 exists but fcl3 does not why

Posted by Shivanshu Yadav 7 years, 11 months ago

CBSE > Class 12 > Chemistry

3 answers

Shambhavi Singh 7 years, 11 months ago

Fluorine doesn't posses d orbital therefore it can't expand it's octet whereas due to presence of d orbital in Cl atom it can expand it's octet and hens ClF3 exists whereas FCl3 not.

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Vineet Gupta 7 years, 11 months ago

I think , florine is more oxidizing than chlorine thus it can oxidize it to its +3 oxidation state while chlorine can't oxidize florine

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Pratishtha Gupta 7 years, 11 months ago

Because Cl has a larger size which is enough to accommodate 3 F but flourine has a smaller size

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What is Shieff reagent test

Posted by Shantanu Dixit 7 years, 11 months ago

CBSE > Class 12 > Chemistry

1 answers

Lekha Raj 7 years, 11 months ago

Schiffs hoti h spelling..........This test is used to detect aldehyde group in the given organic compound........To the given organic compound, add schiffs reagent if pink odour emerges then it means organic compound contains aldehyde group.

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Benzoic acid does not gives friedal crafts reaction

Posted by Shantanu Dixit 7 years, 11 months ago

CBSE > Class 12 > Chemistry