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Sav [38]
3 years ago
9

A boy has a few bottles of soft drink in his restaurant. But ,unfortunately,these are not labelled.He has to serve the drinks on

the demand of customers.One customer wants acidic drink,another wants basic and the third one wants neutral drink.How will the boy decide it to be served to whom?
Chemistry
1 answer:
levacccp [35]3 years ago
7 0

Explanation:

The boy with the help of litmus paper can easily decide it as follows:

(i) The drink that would turn a red litmus to blue would surely be basic in nature.

(ii) The drink that turns a blue litmus to red is be acidic in nature.

(iii) The drink that would not be affected by both red and blue litmus would is  neutral in nature.

The test can be done with help of phenolphthalein or the methyl orange these reagents also show different color in different medium.

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During electrophilic aromatic substitution, a resonance-stabilized cation intermediate is formed. Groups, already present on the
DIA [1.3K]

Answer:

See explanation and image attached

Explanation:

Aromatic compounds undergo electrophilic aromatic substitution reactions in which the aromatic ring is maintained.

Substituted benzenes may be more or less reactive towards electrophilic aromatic substitution than benzene depending on the nature of the substituent present in the ring.

Substituents that activate the ring towards electrophilic substitution such as -OCH3 are ortho-para directing.

The major products of the bromination of anisole are p-bromoanisole and o-bromoanisole. The resonance structures leading to these products are shown in the image attached.

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5 0
2 years ago
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It takes 412. KJ/mol to break a carbon-hydrogen single bond. Calculate the maximum wavelength of light for which a carbon-hydrog
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Answer:

The maximum wavelength of light for which a carbon-hydrogen single bond could be broken by absorbing a single photon = 290 nm

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                  So to break a single C - H bond require = \frac{412}{6.023 X (10)^{23} }

                           = 6.84 x 10⁻¹⁹ joule

Find the wavelength of a photon we use E = hν

                                                             ⇒    E = \frac{hc}{Wavelength}

                   Where h = Planck's constant = 6.626 x 10⁻³⁴ J.K⁻¹.Mole⁻¹

                               c = speed of light = 3 x 10⁸ m/sec

                                                           Wavelength = \frac{6.626 X 10^{-34} X 3 X 10^{8} }{6.84 X10^{-19}  }

                                                                                 = 2.9 x 10⁻⁷ m

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7 0
3 years ago
New York State is located in which two hemispheres? How do you know this?
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