In the following chemical reactions, the compounds A and B are respectively :

In the following chemical reactions, the compounds A and B are respectively :
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In the following chemical reactions, the compounds A and B are respectively : A. benzene ... C. Phenol and bromobenzene D. Fluorobenzene and phenol
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Compounds P and R upon ozonolysis produce Q and S, respectively. The molecular formula of Q and S is `C_(8)H_(8)O`. Q undergoes cannizzaro reactions b

Description : Compounds P and R upon ozonolysis produce Q and S, respectively. The molecular formula of Q and S is `C_(8)H_(8)O`. Q undergoes cannizzaro reactions b

Last Answer : Compounds P and R upon ozonolysis produce Q and S, respectively. The molecular formula of Q and S is `C_(8) ... R , respectively is (are) A. B. C. D.

In the chemical reactions the compounds `(A)` and `(B)` are .

Description : In the chemical reactions the compounds `(A)` and `(B)` are .

Last Answer : In the chemical reactions the compounds `(A)` and `(B)` are . A. ... diazonium chloride and fluorobenzene D. nitrobenzene and chlorobenzene

Optically active compounds are capable of (A) Different reactions (B) Rotating plane of polarized light (C) Showing same chemical properties (D) None of these

Description : Optically active compounds are capable of (A) Different reactions (B) Rotating plane of polarized light (C) Showing same chemical properties (D) None of these

Last Answer : Answer : B

(3) preventing rapid setting of cement Explanation: Portland cement clinker is a hydraulic material which shall consist of at least two-thirds by mass of calcium silicates, the remainder consisting of aluminium- and ironcontaining clinker phases and other compounds. The ratio of CaO to SiO2 shall not be less than 2.0. The magnesium oxide content (MgO) shall not exceed 5.0% by mass. Cement sets when mixed with water by way of a complex series of chemical reactions still only partly understood.

Description : (3) preventing rapid setting of cement Explanation: Portland cement clinker is a hydraulic material which shall consist of at least two-thirds by mass of calcium silicates, the remainder consisting of ... mixed with water by way of a complex series of chemical reactions still only partly understood.

Last Answer : Milk is a colloidal system in which: (1) Water is dispersed in fat (2) Fat is dispersed in water (3) Fat and water are dispersed in each other (4) Fat is dissolved

What are the predominating chemical compounds respectively in eggshell, white and yolk?

Description : What are the predominating chemical compounds respectively in eggshell, white and yolk?

Last Answer : The eggshell is basically made of calcium carbonate. The white, or albumen, is composed by albumin, a protein. The yolk is predominantly constituted of lipids but it also contains proteins and vitamins. Image Diversity: avian egg

All the compounds listed in column I react with water. Match the result of the respective reactions with the appropriate options listed in column II.

Description : All the compounds listed in column I react with water. Match the result of the respective reactions with the appropriate options listed in column II.

Last Answer : All the compounds listed in column I react with water. Match the result of the respective reactions with the appropriate options listed in column II.

Identify the correct order of reactivity in electrophilic substitution reactions of the following compounds:

Description : Identify the correct order of reactivity in electrophilic substitution reactions of the following compounds:

Last Answer : Identify the correct order of reactivity in electrophilic substitution reactions of the following ... C. `IIgtIgtIIIgtIV` D. `IIgtIIIgtIgtIV`

Identify the correct order of reactivity in electrophilic substitution reactions of the following compounds :

Description : Identify the correct order of reactivity in electrophilic substitution reactions of the following compounds :

Last Answer : Identify the correct order of reactivity in electrophilic substitution reactions of the following compounds : ... ` C. `2gt1gt3gt4` D. `2gt3gt1gt4`

Template/lock and key theory of enzyme action is supported by (A) Enzymes speed up reaction (B) Enzymes occur in living beings and speed up certain reactions (C) Enzymes determine the direction of reaction (D) Compounds similar to substrate inhibit enzyme activity

Description : Template/lock and key theory of enzyme action is supported by (A) Enzymes speed up reaction (B) Enzymes occur in living beings and speed up certain reactions (C) Enzymes determine the direction of reaction (D) Compounds similar to substrate inhibit enzyme activity

Last Answer : Answer : D

Arrange the following carboxyl compounds in increasing order of their reactivity in nucleophilic addition reactions. Explain with proper reasoning : Benzaldehyde. p-tolualdeyde, p-nitrobenzaldehyde, Acetophenone.

Description : Arrange the following carboxyl compounds in increasing order of their reactivity in nucleophilic addition reactions. Explain with proper reasoning : Benzaldehyde. p-tolualdeyde, p-nitrobenzaldehyde, Acetophenone.

Last Answer : Ans. Acetophenone is a ketone while all others are aldehydes, therefore it is least reactive. In p-tolualdehyde, there is methyl group (CH3 ) at para position w.r.t. to the ... overall order of increasing reactivity : acetophenone < p-tolualdehyde < benzaldehyde < p-nitrobenzaldehyde. 

The study of compounds and reactions involving carbon is called

Description : The study of compounds and reactions involving carbon is called

Last Answer : Organic chemistry.

Which of the following compounds reacts least rapidly in electrophilic substitution reactions? (a) Nitrobenzene (b) Phenol (c) Bromobenzene (d) Toluene

Description : Which of the following compounds reacts least rapidly in electrophilic substitution reactions? (a) Nitrobenzene (b) Phenol (c) Bromobenzene (d) Toluene

Last Answer : Nitrobenzene

Which of the following reactions is suitable for the preparation of α-amino acids? (a) Schmidt reaction (b) Hofmann's degradation of amides (c) Strecker's synthesis (b) Reduction of nitro compounds

Description : Which of the following reactions is suitable for the preparation of α-amino acids? (a) Schmidt reaction (b) Hofmann's degradation of amides (c) Strecker's synthesis (b) Reduction of nitro compounds

Last Answer : Strecker's synthesis

Which of the following is not correct concerning substitution and elimination reactions of alkyl halides? (a) The electrophile replaces the leaving group. (b) Compounds containing electron-donating groups bonded to an sp3 hybridized carbon undergo substitution and elimination reactions. (c) The electronegative atom is replaced by another atom or group in substitution reactions. (d) (a) and (b)

Description : Which of the following is not correct concerning substitution and elimination reactions of alkyl halides? (a) The electrophile replaces the leaving group. (b) Compounds containing electron-donating groups bonded to an ... replaced by another atom or group in substitution reactions. (d) (a) and (b)

Last Answer : (a) and (b)

Products A and B formed in the following reactions are respectively :

Description : Products A and B formed in the following reactions are respectively :

Last Answer : Products A and B formed in the following reactions are respectively : A. B. C. D.

Column 1,2 and 3 contain starting materials, reaction conditions, and type of reactions, respectively The only CORRECT combination that gives two diff

Description : Column 1,2 and 3 contain starting materials, reaction conditions, and type of reactions, respectively The only CORRECT combination that gives two diff

Last Answer : Column 1,2 and 3 contain starting materials, reaction conditions, and type of reactions, respectively The only CORRECT ... )(i)(S) D. (III)(iii)(P)

Column 1,2 and 3 contain starting materials, reaction conditions, and type of reactions, respectively For the synthesis of benzoic acid, the only CORR

Description : Column 1,2 and 3 contain starting materials, reaction conditions, and type of reactions, respectively For the synthesis of benzoic acid, the only CORR

Last Answer : Column 1,2 and 3 contain starting materials, reaction conditions, and type of reactions, respectively For the synthesis ... )(ii)(P) D. (III)(iv)(R)

Consider the following sequence of reactions The product (A) and (B) are, respectively :

Description : Consider the following sequence of reactions The product (A) and (B) are, respectively :

Last Answer : Consider the following sequence of reactions The product (A) and (B) are, respectively : A. B. C. D.

Consider the following sequence of reactions The product (A) and (B) are, respectively :

Description : Consider the following sequence of reactions The product (A) and (B) are, respectively :

Last Answer : Consider the following sequence of reactions The product (A) and (B) are, respectively : A. B. C. D.

For determining the support reactions at A and B of a three hinged arch, points B and Care joined and produced to intersect the load line at D and a line parallel to the load line through A at D'. Distances AD, DD' and AD' when measured were 4 cm, 3 cm and 5 cm respectively. The angle between the reactions at A and B is (A) 30° (B) 45° (C) 60° (D) 90

Description : For determining the support reactions at A and B of a three hinged arch, points B and Care joined  and produced to intersect the load line at D and a line parallel to the load line through A at D'.  Distances AD, DD ... reactions at A and B is  (A) 30°  (B) 45°  (C) 60°  (D) 90

Last Answer : (D) 90

Select the correct option (s) for the coordination compounds and their respectively isomeric forms.

Description : Select the correct option (s) for the coordination compounds and their respectively isomeric forms.

Last Answer : Select the correct option (s) for the coordination compounds and their respectively isomeric forms.

The xenon compounds that are isostructural with `IBr_(2)^(-)` and `BrO_(3)^(-)` respectively are:

Description : The xenon compounds that are isostructural with `IBr_(2)^(-)` and `BrO_(3)^(-)` respectively are:

Last Answer : The xenon compounds that are isostructural with `IBr_(2)^(-)` and `BrO_(3)^(-)` respectively are: A. ... D. linear `XeF_(2)` and tetrahedral `XeO_(3)`

Is there any available software that can predict simple chemical reactions?

Description : Is there any available software that can predict simple chemical reactions?

Last Answer : Google is your friend = = = > Zn with CuSO4

Question about chemical reactions in chlorine?

Description : Question about chemical reactions in chlorine?

Last Answer : answer:Without reading up on it The moisture is changing the composition of the tablets by reacting with them, meaning they are not the original compound they're supposed to be. This could effect their ... to it, but I'd be cautious in that as heat tends to start a variety of reactions.

Does the fact that emotions really are just chemical reactions take away from their power?

Description : Does the fact that emotions really are just chemical reactions take away from their power?

Last Answer : Chicken or egg. Did emotion cause the thought, or the thought the emotion. Sometimes we have no thought but experience an emotion. Or we feel an emotion and therefore think about what it is.

Write the balanced chemical equations for the following reactions and identify the type of reaction in each case: -SST 10th

Description : Write the balanced chemical equations for the following reactions and identify the type of reaction in each case: -SST 10th

Last Answer : This is an example of combination reaction. A combination reaction is one in which or more reactants combine to form a single product (b) NaOH(aq)-CH3COOH(l) → CH3COONa(aq)+H2O(l) This is an ... is also an exothermic reaction as it evolves a lot of heat. It is also known as oxidation reaction.

Write a balanced chemical equation with state symbols for the following reactions : -Chemistry-10

Description : Write a balanced chemical equation with state symbols for the following reactions : -Chemistry-10

Last Answer : (i) BaCl2 (aq) + Na2SO4 (aq) → BaSO4(s) + 2NaCl (aq) (ii) NaOH (aq) + HCl(aq) → NaCl(aq) + H2O(l)

Write the balanced equation for the following chemical reactions. (i) Hydrogen + Chlorine → Hydrogen chloride (ii) Barium chloride + Aluminium sulphate → Barium sulphate + Aluminium chloride (iii) Sodium + Water → Sodium hydroxide + Hydrogen -Chemistry-10

Description : Write the balanced equation for the following chemical reactions. (i) Hydrogen + Chlorine → Hydrogen chloride (ii) Barium chloride + Aluminium sulphate → Barium sulphate + Aluminium chloride (iii) Sodium + Water → Sodium hydroxide + Hydrogen -Chemistry-10

Last Answer : (i) H2 + Cl2 → 2HCl (ii) 3 BaCl2 + Al2(SO4)3 → BaSO4 + 2 AlCl3 (iii) 2Na + 2H2O → 2NaOH + H2↑

Write chemical equation reactions taking place when carried out with the help of (a) Iron reacts with steam (b) Magnesium reacts with dil HCl (c) Copper is heated in air. -Chemistry

Description : Write chemical equation reactions taking place when carried out with the help of (a) Iron reacts with steam (b) Magnesium reacts with dil HCl (c) Copper is heated in air. -Chemistry

Last Answer : This is the Answer.

(a) Write the essential condition for the following reaction to take place: 2AgBr—-> 2Ag + Br2 Write one application of this reaction. (b) Complete the following chemical equation of a chemical reaction 2FeS04 — chemical-reactions-and-equations-chapter-wise-important-questions-class-10-science-5 (c) What happens when water is added to quick line. Write chemical equation. -Chemistry

Description : (a) Write the essential condition for the following reaction to take place: 2AgBr--> 2Ag + Br2 Write one application of this reaction. (b) Complete the following chemical equation of a chemical ... science-5 (c) What happens when water is added to quick line. Write chemical equation. -Chemistry

Last Answer : Answer. This reaction is used in photography. (c) Slaked lime is formed with hissing sound and lot of heat is envolved.

State the type of chemical reactions and chemical equations that take place in the following: (i) Magnesium wire is burnt in air. (ii) Electric current is passed through water. (iii) Ammonia and hydrogen chloride gases’are mixed. -Chemistry

Description : State the type of chemical reactions and chemical equations that take place in the following: (i) Magnesium wire is burnt in air. (ii) Electric current is passed through water. (iii) Ammonia and hydrogen chloride gases’are mixed. -Chemistry

Last Answer : This is the Answer:

Write balanced chemical equations for the following reactions: (a) Dilute sulphuric acid reacts with aluminium powder. (b) Dilute hydrochloric acid reacts with sodium carbonate. (c) Carbon dioxide is passed through lime water. -Chemistry

Description : Write balanced chemical equations for the following reactions: (a) Dilute sulphuric acid reacts with aluminium powder. (b) Dilute hydrochloric acid reacts with sodium carbonate. (c) Carbon dioxide is passed through lime water. -Chemistry

Last Answer : i hope it helped you

What is the classification of chemical reactions ?

Last Answer : There are 3 categories of chemical reactions

Which of the following chemical reactions depicts the oxidizing behaviour of `H_(2)SO_(4)` ?

Description : Which of the following chemical reactions depicts the oxidizing behaviour of `H_(2)SO_(4)` ?

Last Answer : Which of the following chemical reactions depicts the oxidizing behaviour of `H_(2)SO_(4)` ? A. `2HI + H_(2 ... rarr 2POCl_(3) + 2HCl + SO_(2)Cl_(2)`

Which of the following chemical reactions depicts the oxidizing behaviour of `H_(2)SO_(4)` ?

Description : Which of the following chemical reactions depicts the oxidizing behaviour of `H_(2)SO_(4)` ?

Last Answer : Which of the following chemical reactions depicts the oxidizing behaviour of `H_(2)SO_(4)` ? A. `2HI + H_(2 ... rarr 2POCl_(3) + 2HCl + SO_(2)Cl_(2)`

The unbalanced chemical reactions given In list I show missing reagent or condition (?) Which are provided in List II. Match List I with List II and s

Description : The unbalanced chemical reactions given In list I show missing reagent or condition (?) Which are provided in List II. Match List I with List II and s

Last Answer : The unbalanced chemical reactions given In list I show missing reagent or condition (?) Which are provided in List II. ... (P,Q,R,S),(3,4,2,1):}`

Can enzymes slow down chemical reactions?

Description : Can enzymes slow down chemical reactions?

Last Answer : Need answer

What term refers to proteins that speed up chemical reactions in loving things?

Description : What term refers to proteins that speed up chemical reactions in loving things?

Last Answer : Need answer

Why does the Calvin cycle and the Krebs cycle are referred to as cycles of chemical reactions?

Description : Why does the Calvin cycle and the Krebs cycle are referred to as cycles of chemical reactions?

Last Answer : Need answer

What are All of the chemical reactions in an organism's cells are called?

Description : What are All of the chemical reactions in an organism's cells are called?

Last Answer : chemotrophy

What the step of Balancing chemical reactions?

Description : What the step of Balancing chemical reactions?

Last Answer : Feel Free to Answer

What is an example enzymes control chemical reactions?

Description : What is an example enzymes control chemical reactions?

Last Answer : Feel Free to Answer

Do Chemical reactions occur at the same rate no matter what the size of the reactant particles?

Description : Do Chemical reactions occur at the same rate no matter what the size of the reactant particles?

Last Answer : Need answer

What Chemical reactions are more likely to happen when?

Description : What Chemical reactions are more likely to happen when?

Last Answer : Need answer

What organic molecule function as a catalysts for chemical reactions in living organisms?

Description : What organic molecule function as a catalysts for chemical reactions in living organisms?

Last Answer : They are called enzymes, but there a probably billions of different enzymes. They are built from protein molecules decorated with sugars and sometimes include one or more metal atoms at their "active" site.

When chemical reactions occur energy is always absorbed?

Description : When chemical reactions occur energy is always absorbed?

Last Answer : No, chemical reactions can be endothermic or exothermic.

What According to modern chemistry what causes chemical reactions?

Description : What According to modern chemistry what causes chemical reactions?

Last Answer : A chemical reaction is caused by two compounds colliding. Thishappen with certain amount of force.

What happens during chemical reactions From: Apex?

Description : What happens during chemical reactions From: Apex?

Last Answer : energy is given off or absorbed

What happen during chemical reactions?

Description : What happen during chemical reactions?

Last Answer : energy is given off or absorbed