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3 years ago

What is the hybridization of carbon in nco-?

Chemistry

2 answers:

never [62]3 years ago

5 0

Answer : The hybridization of carbon in $NCO^-$ is, $sp$ hybridized.

Explanation :

As we know that when a carbon attached to the four single sigma bonds then the hybridization will be, $sp^3$ .

When a carbon attached to the three single sigma bonds and one- $\pi$ bond that means a carbon bonded to another atom by the double bond then the hybridization will be, $sp^2$ .

When a carbon attached to the two single sigma bonds and two- $\pi$ bonds that means a carbon bonded to another atom by the triple bond then the hybridization will be, $sp$ .

As per question, the given molecule is, $NCO^-$ . In this molecule, a triple bond is present between the nitrogen and carbon atom and a single bond is present between the carbon and oxygen atom. That means, a carbon bonded to another atom by the triple bond then the hybridization will be, $sp$ .

Hence, the hybridization of carbon in $NCO^-$ is, $sp$ hybridized.

Svet_ta [14]3 years ago

4 0

First let us see what kind of bonds are formed in the compound. By drawing the structure, we see that the kind of bonds are:

N =- triple bond -= C – O

So there is only single bond between C and O therefore the hybridization of C is sp.

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A mixture of BaCl2 and NaCl is analyzed by precipitating all the barium as BaSO4. After addition of an excess of Na2SO4 to a 3.6

Juli2301 [7.4K]

Answer:

$\% m=40.46\%$

Explanation:

Hello there!

in this case, according to the given information, it turns out firstly necessary for us to write up the chemical equation as shown below:

$BaCl_2+Na_2SO_4\rightarrow BaSO_4+2NaCl$

Thus, we calculate the mass of BaCl2 stoichiometrically related to the produced 1.658 g of precipitate in order to discard it from the sample:

$m_{BaCl_2}=1.658gBaSO_4*\frac{1molBaSO_4}{233.38 gBaSO_4} *\frac{1molBaCl_2}{1molBaSO_4}*\frac{208.23 gBaCl_2}{1molBaCl_2}\\\\m_{BaCl_2}=1.479gBaCl_2$

Thus, the mass percentage is calculated as shown below:

$\% m=\frac{1.479g}{3.656g}*100 \% \\\\\% m=40.46\%$

Regards!

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2 years ago

Write the merits and demerits of Mendeleev periodic table in points and explain each of them in short

elena-14-01-66 [18.8K]

Answer:

merits of mendeleev periodic table are:

it was first scientific and systamatic study of different element.
there were may gaps for in discovered elements.After their discovery the got their proper place in table.
with the help of mendeleev periodic table , properties of several elements were studied correctly.

demerits of mendeleev periodic table

it could not arrange hydrogen as it shows the property of both alkali and halogens.
it could not arrange isotopes because they have different atomic weight but same atomic number.
it could not arrange Lanthanides and Actinides.

hope these points helped you

need more points then comment it .

6 0

3 years ago

PLZ ANSWER

Taya2010 [7]

Answer:

A. The energy stored in atmospheric carbon dioxide is conserved because it is used to create new forms of energy present in decomposed plants.

Explanation:

In the carbon cycle image, the result of an industry's work releases carbon dioxide into the atmosphere (this is represented by the letter G), this carbon dioxide is stored in the atmosphere (letter C) and then absorbed by plants during the process. of photosynthesis (letter A).

The carbon cycle is constituted by the absorption of carbon dioxide by plants in the photosynthesis process. Half of this absorbed carbon is released into the atmosphere and the other half the vegetable uses to produce sugars (glycoses). By ingesting the plants, the animals ingest together the carbon to their body, being released through respiration or decomposition. Because some fungi and bacteria are responsible for the decomposition of both animals and vegetables, they ingest part of this carbon, releasing it into the atmosphere and soil. In addition to bacteria, the burning process also releases carbon dioxide into the soil and atmosphere. Vegetables, through the breathing process, also absorb carbon dioxide and release oxygen unlike animals.

4 0

3 years ago

22.4l of ammonia is reaxts with 1.406 mole of oxygen to produce NO and h2o .1.what volume of no is produced at ntp

IceJOKER [234]

Answer:

The volume of NO is 22.4L at STP

Explanation:

Based on the reaction:

2NH3 + 5/2O2 → 2NO + 3H2O

2 moles of NH3 react with 5/2 moles of O2 to produce 2 moles of NO.

To solve this question, we need to find the moles of each reactant in order to find the limiting reactant as follows:

Moles NH3 -Molar mass: -17.01g/mol-

Using PV = nRT

PV/RT = n

Where P is pressure = 1atm at STP

V is volume = 22.4L

R is gas constant = 0.082atmL/molK

T is absolute temperature = 273.15K

1atm*22.4L/0.082atmL/molK*273.15K = n

n = 1.00 moles of NH3

For a complete reaction of 1.00 moles of NH3 are needed:

1.00 moles NH3 * (5/2moles O2 / 2moles NH3) = 1.25 moles of O2

As there are 1.406 moles of O2, the limiting reactant is NH3

The moles of NO produced are the same than moles of NH3 because 2 moles of NH3 produce 2 moles of NO. The moles of NO are 1.00 moles

And as 1.00moles of gas are 22.4L at STP:

<h3>The volume of NO is 22.4L at STP</h3>

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3 years ago

Help me with all 6 question

Nitella [24]

Why did you post this again? Because you're lazy and wanted people to not see my post? Once again, ONE QUESTION AT A TIME. We're here to help you with a tough question or work you through it, not do all your homework.

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3 years ago

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