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frosja888 [35]
2 years ago
11

In the reaction of a carbonyl compound with silver cyanide, the lone pair of electrons on the nitrogen are the one that attack t

he carbonyl carbon. But if a carbonyl compound reacts with hydrogen cyanide, the cyanide ions directly attacks the carbonyl carbon. Explain why this happens??​
Chemistry
2 answers:
Marina CMI [18]2 years ago
7 0

Answer:

For Silver cyanide: Silver is more electropositive. Therefore no need for silver cyanide to split into silver ion and cyanide ion, only the lone pair of electrons from nitrogen atom will be attracted to the carbonyl carbon of the aldehyde or ketone.

For hydrogen cyanide: Hydrogen is less electropositive. Therefore hydrogen cyanide splits into hydrogen ion and cyanide ion, since cyanide ion is negative, It will be directly attracted to the carbonyl compound.

Equations: [ considering a ketone and aldehyde ]

RCHO + HCN → RCHCN + H2O

R'COCH3 + AgCN → R'C(CN)CH3 + Ag + H2O

.

.

never [62]2 years ago
3 0

Answer:

The larvae of mosquitoes live in water and provide food for fish and other wildlife, including larger larvae of other species such as dragonflies. The mosquito larvae themselves consume a lot of organic matter in wetlands, helping recycle nutrients back into the ecosystem.Ramabai Bhimrao Ambedkar was the first wife of B. R. Ambedkar, who said her support was instrumental in helping him pursue his higher education and his true potential. She has been the subject of a number of biographical movies and books. A number of landmarks across India have been named after her.Hydrochloric acid: HCl. Nitric acid: HNO. Phosphoric acid: H3PO. Sulfuric acid: H2SO.

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How many grams are there in 2.00 moles of copper (ii) oxide
tatuchka [14]

Answer: 159 grams

Explanation:

Copper (ii) oxide has the chemical formula CuO.

Now given that:

Mass of CuO in grams = ? (let unknown value be Z)

Number of moles = 2.00 moles

Molar mass of CuO = ?

For the molar mass of CuO: Atomic mass of Copper = 63.5g ; Oxygen = 16g

= 63.5g + 16g

= 79.5 g/mol

Apply the formula:

Number of molecules = (mass in grams/molar mass)

2.00 moles = (Z / 79.5 g/mol)

Z = 79.5 g/mol x 2.00 moles

Z = 159g

Thus, there are 159 grams in 2.00 moles of copper (ii) oxide

7 0
3 years ago
I need help what is s-1/3=7/9???? please help guys and thank you
nalin [4]

Answer:

10/9

Explanation:

First, let's convert 1/3 and 7/9 so that the have the same denominator. To do this let's find the least common multiple of 3 and 9.

List the multiples of 3 and 9:

3: 3, 9

9: 9

They have a least common multiple of 9

We need to convert 1/3 so it has a denominator of 9:

1/3*3/3 (we can multiply it by 3/3 because any number over itself is 1) = 3/9

s-3/9=7/9

Add 3/9 to both sides to isolate s

s=10/9

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2 years ago
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serg [7]

Answer:

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Explanation:

4 0
3 years ago
The heat of fusion for water is the amount of energy that must be absorbed for water to _____.
ivanzaharov [21]
I would say A.evaporate because the water is getting absorbed.

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