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ANSWER:

STEREOMERS which are related to each other as non superimposable MIRROR IMAGE is known as enantiomers

Answer:

Answer:Gattermann Koch formylation:

Benzene to Benzaldehyde

Rosenmund :

ACID DERIVATIVES to Aldehydes

Fischer esterification:

Carboxylic acid and Alcohol gives ester

Hell vohlard ZELINSKY:

CARBOXYLIC acid to alpha,alpha DICHLORO carboxylic acid

Answer:

natural macromolecules.

proteins ,DNA ,rna etc

MAN MADE macromolecules.

polyethylene, polypropylene

Answer:

1)any CHANGE taking place in it is thermodynamically reversible.

2)the change in the system takes place in an infinite number of steps .

3) system is mechanical equilibrium with its surroundings.

4) driving force of the change is INFINITESIMALLY greater than opposing force.

ANSWER:

C THERMAL DECOMPOSITION of SODIUM vhlorate

Answer:

describe the ether cleavage by base

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Ether cleavage refers to chemical substitution reactions that LEAD to the cleavage of ethers. Due to the high chemical stability of ethers, ether cleavageis only possible under strongly acidic or extremely basic CONDITIONS. In ORGANIC chemistry, ether cleavage is an acid catalyzed nucleophilic substitution reaction.

Explanation:

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Your answer is NO2-

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Answer:

Commercially glucose is obtained by Hydrolysis by boiling it with dilute H_2SO_4H

at 393 K393K under pressure.

Boiling starch with dilute

glucose.

a peptide bond is a chemical bond formed between two molecules when carboxyl GROUP of one molecule REACTS with amino group of other molecules, by releasing a molecule of WATER H_2OH

2

O. (Dehydration condensation reaction)

SOLUTION

Explanation:

HOFMANN ELIMINATION. Hofmann elimination is the PROCESS of creating tertiary amines and alkenes from the treatment of QUATERNARY ammonium with EXCESS methyl iodide, and the treatment of the resulting compound with silver oxide, water, and heat.

ANSWER

Explanation:opposite sides me different GROUPS lage h na

It shows TRANS isomerism hope it helps U

x/12=3.011*10^23/6.023*10^23

=>x=6 g

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The monomers USED in the preparation of dextron are lactic acid and glycolic acid. Dextron is a COPOLYMER and has ESTER linkage.

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ANSWER:

no....................

jjhhi

ANSWER:

Here Al Is Oxidized It Is Your Answer..

Explanation:

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Answer:

the ACTIVE methyl COMPOUND are the compound which is CONSIDERED by the COMPANY and compound

Explanation:

Option A(4.00)

Because the atomic MASSA is equal to 1 HOPE IT WOULD BE HELPFUL AND PLEASE DON'T FORGET TO LIKE

ANSWER:

AUR sab kuch search krlo" ICSE class 9 board exam QUES." mil jayega...

okay...(SECTION B optional)-any four...

Explanation:

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Explanation:

MG + 2HCl - MGCL2 + H2 iyour ANSWER .hope be HELPFUL

Answer:

Alkali METALS have the lowest ionization energy in each period and this is because they are having the LARGEST atomic size in their respective period. The valence electron in large size atoms are HELD loosely by the nucleus and can be lost easily. Furthermore, IP is the amount of energy required in order to release an electron from the outermost orbit of an isolated gaseous atom.

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Answer:4.704 cm^3

Explanation:

ANSWER:

Trifluoromethyl BENZENE CH.CF

Explanation:

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ANSWER:

MASS can NEITHER be CREATED nor be DESTROYED

Answer:

(c) GUN powder

Explanation:

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due to NITRATE

ANSWER:

THUS, in the EQUATION ΔU=q+w w=0 and ΔU=q. The internal energy is EQUAL to the HEAT of the system.

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ANSWER:

the chemical FORMULA for the above question is GIVEN below thanku

A) NaHCO3

B) Ca(oH)2

Electrolysis of WATER is not a PHYSICAL CHANGE.

Burning of candle is a physical as well as chemical change.

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EXPLANATION:

A pendulum is a weight suspended from a pivot so that it can swing freely.[1] When a pendulum is displaced sideways from its resting, equilibrium position, it is subject to a restoring force DUE to gravity that will accelerate it back toward the equilibrium position. When released, the restoring force ACTING on the pendulum's mass causes it to oscillate about the equilibrium position, swinging back and forth. The time for one complete cycle, a LEFT swing and a right swing, is called the period. The period depends on the length of the pendulum and also to a slight degree on the AMPLITUDE, the width of the pendulum's swing.

ANSWER:

EXPLANATION:

To PREVENT RUSTING

Answer:

nitrogen is abundant in nature THOUGH it does not TAKE part in respiration bcs respiration would break down PARTICLES where as photosynthesis takes PLATES in presence of sunlight and chlorophyll

Answer:

Gold Number is a term used in colloidal chemistry. It is defined as the minimum amount of protective COLLOID in MILLIGRAMS which change the colour from red to violet of 10ml gold solution by the addition of 1ML 10% NACL solution.

Answer:

MAGNESIUM RIBBON must be cleaned before burning in air so that the the layer of magnesium oxide (which is formed due to REACTION of magnesium with air) can be removed in order to get the desired chemical reaction.

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ANSWER:

because of CHEMISTY of both sumtrances

Answer :

=> VoLume of CO2 = 27 L (at STP)

ANSWER:

jiuy is a VALID REASON for

ANSWER:

CA has the SMALLEST RADIUS

Answer:

The COBALT ion is in +3 oxidation state and has an electronic configuration of 3d6. SIX pairs of ELECTRON one from each ammonia molecule occupy the six HYBRID orbitals, hence the molecule is diamagnetic and octahedral in SHAPE.

ANSWER:

it is DONE by FROTH FLOATATION METHOD

MINERAL FLOTATION is the answer

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Answer:

the principle that the RATE of a CHEMICAL reaction is proportional to the concentrations of the reacting substances

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Answer:

The rate law or rate equation for a chemical reaction is an equation that links the reaction rate with the concentrations or pressures of the reactants and constant parameters (normally rate coefficients and partial reaction orders).[1] For many reactions the rate is given by a power law such as

{\displaystyle v\;=\;k[\mathrm {A} ]^{x}[\mathrm {B} ]^{y}}{\displaystyle v\;=\;k[\mathrm {A} ]^{x}[\mathrm {B} ]^{y}}

where [A] and [B] express the concentration of the species A and B (usually in moles per liter (molarity, M)). The exponents x and y are the partial orders of reaction for A and B and the overall reaction order is the sum of the exponents. These are often positive integers, but they may ALSO be zero, fractional, or negative. The constant k is the reaction rate constant or rate coefficient of the reaction. Its value may DEPEND on conditions such as temperature, ionic strength, surface area of an adsorbent, or light irradiation.

Elementary (single-step) reactions and reaction steps have reaction orders equal to the stoichiometric coefficients for each reactant. The overall reaction order, i.e. the sum of stoichiometric coefficients of reactants, is always equal to the molecularity of the elementary reaction. HOWEVER complex (multi-step) reactions may or may not have reaction orders equal to their stoichiometric coefficients. This implies that the order and the rate equation of a given reaction cannot be reliably deduced from the stoichiometry and must be determined experimentally, since an unknown reaction mechanism could be either elementary or complex. When the experimental rate equation has been determined, it is often of use for deduction of the reaction mechanism.

The rate equation of a reaction with an assumed multi-step mechanism can often be derived THEORETICALLY using quasi-steady state assumptions from the underlying elementary reactions, and compared with the experimental rate equation as a test of the assumed mechanism. The equation may involve a fractional order, and may depend on the concentration of an intermediate species.

A reaction can also have an undefined reaction order with respect to a reactant if the rate is not simply proportional to some power of the concentration of that reactant; for example, one cannot talk about reaction order in the rate equation for a bimolecular reaction between adsorbed molecules:

{\displaystyle v=k{\frac {K_{1}K_{2}C_{A}C_{B}}{(1+K_{1}C_{A}+K_{2}C_{B})^{2}}}.\,}{\displaystyle v=k{\frac {K_{1}K_{2}C_{A}C_{B}}{(1+K_{1}C_{A}+K_{2}C_{B})^{2}}}.\,}

Explanation:

Answer:

1. Let the REACTIONS be completed.
2. Half the reaction
3. ADD h20 in product
4. Now BALANCE the NUMBERS of hydrogen.

Explanation:

145 U ...............

ANSWER:

CYCLOHEXYLAMINE is a stronger base than ANILINE.

Explanation:

It is so because long pair of ELECTRONS on the N - atom of aniline is declocalized over the benzene ring

ANSWER:

HYE.. here is the STRUCTURE

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ANSWER:

noggggggggggggggggggggggggggggg

Explanation:

Here is UR ANSWER................

Answer:

The five conditions of CHEMICAL change: color chage, FORMATION of a precipitate, formation of a GAS, ODOR change, temperature change.

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Molecularity:- It is the total number of molecules, atoms or LONS means those reacting species which are taking place in an elementary reaction is known as molecularity of that reaction.

Some additional INFORMATION:-

• 1. It is a theoretical quantity.

• 2. It can be an integer like 1, 2, 3 or 4 but it NEVER can be negative or 0.

• 3. It is equal to the order in an elementary reaction.

• 4. While in the complex reaction it is defined seperately.

• 5. Total molecularity of complex reaction is CONSIDERED as meaningless.

• 6. 3 is the maximum value of Molecularity in order.

ANSWER:

GIVEN

[H+] = 8.3 × 10^-3

pH = 3- log8.3

pH = 3- .91

pH = 2.09

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