Carbon atom in methyl carbocation and methyl carbanion is _____ and ______ hybridised :

Carbon atom in methyl carbocation and methyl carbanion is _____ and ______ hybridised :
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Carbon atom in methyl carbocation and methyl carbanion is _____ and ______ hybridised : A. `sp,sp^(2)` B. `sp^(3),sp ... 3),sp^(2)` D. `sp^(2),sp^(3)`
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What is the name given for a species that contains a positively charged carbon atom? (a) carbanion (b) carbocation (c) methyl radical (d) free radical

Description : What is the name given for a species that contains a positively charged carbon atom? (a) carbanion (b) carbocation (c) methyl radical (d) free radical

Last Answer : carbanion

Chlorine free radicals react with methane by : (a) donating their free-radical electron to methane to form chloromethane. (b) abstracting a hydrogen atom from methane, and producing HCl and a methyl radical. (c) forming a carbanion intermediate that rapidly dissociates to produce chloromethane. (d) forming a carbonium ion intermediate that rapidly dissociates to form chloromethane

Description : Chlorine free radicals react with methane by : (a) donating their free-radical electron to methane to form chloromethane. (b) abstracting a hydrogen atom from methane, and producing ... produce chloromethane. (d) forming a carbonium ion intermediate that rapidly dissociates to form chloromethane

Last Answer : abstracting a hydrogen atom from methane, and producing HCl and a methyl radical

(A) Tertiary butyl carbonion is more stable than methyl carbanion. (R) `+I` effect of the three methyl groups in tertiary butyl carbanion tends to mak

Description : (A) Tertiary butyl carbonion is more stable than methyl carbanion. (R) `+I` effect of the three methyl groups in tertiary butyl carbanion tends to mak

Last Answer : (A) Tertiary butyl carbonion is more stable than methyl carbanion. (R) `+I` effect of the three methyl ... IF (A) is incorrect but (R) is correct.

The number of electrons, present in the valence shell of carbon of carbanion bearing `-ve` charge, is:

Description : The number of electrons, present in the valence shell of carbon of carbanion bearing `-ve` charge, is:

Last Answer : The number of electrons, present in the valence shell of carbon of carbanion bearing `-ve` charge, is: A. 8 B. 7 C. 6 D. 4

Homolytic fission of covalent bond between carbon atoms will produce : (a) Two carbonium ions (b) Two molecules (c) Free radicals (d) Carbonium ion and carbanion

Description : Homolytic fission of covalent bond between carbon atoms will produce : (a) Two carbonium ions (b) Two molecules (c) Free radicals (d) Carbonium ion and carbanion

Last Answer : Free radicals

In the following carbocation, `H//CH_(3)` that is most likely to migrate to the positve charged carbon is : `H_(3)overset(1)C-overset(H)overset(|2)und

Description : In the following carbocation, `H//CH_(3)` that is most likely to migrate to the positve charged carbon is : `H_(3)overset(1)C-overset(H)overset(|2)und

Last Answer : In the following carbocation, `H//CH_(3)` that is most likely to migrate to the positve charged carbon is : `H_(3) ... . `CH_(3)` at C-2 D. H at C-2

Which of the following is not a correct statement about the electrophilic substitution mechanism of benzene? (a) Benzene functions as a nucleophile. (b) Formation of a carbocation intermediate is the rate-determining step. (c) The carbocation intermediate contains an sp3 hybridized carbon in the ring. (d) The addition product is a frequently observed minor product.

Description : Which of the following is not a correct statement about the electrophilic substitution mechanism of benzene? (a) Benzene functions as a nucleophile. (b) Formation of a carbocation intermediate is the ... hybridized carbon in the ring. (d) The addition product is a frequently observed minor product.

Last Answer : The addition product is a frequently observed minor product.

During each cycle of β-oxidation (A) One carbon atom is removed from the carboxyl end of the fatty acid (B) One carbon atom is removed from the methyl end of the fatty acid (C) Two carbon atoms are removed from the carboxyl end of the fatty acid (D) Two carbon atoms are removed from the methyl end of the fatty acid

Description : During each cycle of β-oxidation (A) One carbon atom is removed from the carboxyl end of the fatty acid (B) One carbon atom is removed from the methyl end of the fatty acid (C) Two carbon atoms ... carboxyl end of the fatty acid (D) Two carbon atoms are removed from the methyl end of the fatty acid

Last Answer : Answer : C

Chlorophyll a molecule at its carbon atom 3 of the pyrrole ring II has one of the following (a) carboxylic group (b) magnesium (c) aldehyde group (d) methyl group

Description : Chlorophyll a molecule at its carbon atom 3 of the pyrrole ring II has one of the following (a) carboxylic group (b) magnesium (c) aldehyde group (d) methyl group

Last Answer : d) methyl group.

Which is/are correctly linked here? `{:(,"List I",,"List II"),((a),E_(1)Cb,(a),"Carbanion formation"),((b),E_(2),(b),"Stereo specific"),((c),S_(N^(1))

Description : Which is/are correctly linked here? `{:(,"List I",,"List II"),((a),E_(1)Cb,(a),"Carbanion formation"),((b),E_(2),(b),"Stereo specific"),((c),S_(N^(1))

Last Answer : Which is/are correctly linked here? `{:(,"List I",,"List II"),((a),E_(1)Cb,(a),"Carbanion formation" ... "),((d),E_(1),(d),"Carbocation formation"):}`

The pair of electrons in the given carbanion, `CH_(3)C-=C^(Theta)` is present in which of the following orbitals?

Description : The pair of electrons in the given carbanion, `CH_(3)C-=C^(Theta)` is present in which of the following orbitals?

Last Answer : The pair of electrons in the given carbanion, `CH_(3)C-=C^(Theta)` is present in which of the following orbitals? A. ... ` B. `sp^(2)` C. `2p` D. `sp`

The shape of carbanion, `[CH_(3)]^(-)` is :

Description : The shape of carbanion, `[CH_(3)]^(-)` is :

Last Answer : The shape of carbanion, `[CH_(3)]^(-)` is : A. linear B. pyramidal C. planar D. tetrahedral

The most stable carbanion is :

Description : The most stable carbanion is :

Last Answer : The most stable carbanion is : A. methyl carbanion B. primary carbanion C. secondary carbonion D. tertiary carbanion

An aqueous solution of glycine is neutral because of the formation of : (a) Carbanion (b) Zwitterion (c) Carbonium ions (d) Free radicals

Description : An aqueous solution of glycine is neutral because of the formation of : (a) Carbanion (b) Zwitterion (c) Carbonium ions (d) Free radicals

Last Answer : Zwitterion

In the reaction of propene with HCl, H+ ion acts as the : (a) electrophile (b) carbonium ion (c) nucleophile (d) carbanion

Description : In the reaction of propene with HCl, H+ ion acts as the : (a) electrophile (b) carbonium ion (c) nucleophile (d) carbanion

Last Answer : electrophile

Which statement is correct? (a) Energy is released when a bond breaks. (b) A sigma bond results from attraction of protons and electrons. (c) Energy is released when a bond forms. (d) A carbanion is positively charged

Description : Which statement is correct? (a) Energy is released when a bond breaks. (b) A sigma bond results from attraction of protons and electrons. (c) Energy is released when a bond forms. (d) A carbanion is positively charged

Last Answer : Energy is released when a bond forms

Which of the following reaction mechanism doe not involves carbocation as an intermediate ?

Description : Which of the following reaction mechanism doe not involves carbocation as an intermediate ?

Last Answer : Which of the following reaction mechanism doe not involves carbocation as an intermediate ? A. ... C. Fries Rearrangements D. Diels- Alder reaction

Which is most stable carbocation?

Description : Which is most stable carbocation?

Last Answer : Which is most stable carbocation? A. n-Propyl cation B. Isopropyl cation C. Ethyl cation D. Triphenylmethyl cation

Carbocation as an intermediate is likely to be formed in the reaction :

Description : Carbocation as an intermediate is likely to be formed in the reaction :

Last Answer : Carbocation as an intermediate is likely to be formed in the reaction : A. `"Hexene"overset("Anhyd ... + HCN"overset(.^(-)OH)rarr"acetonecyanohydrin"`

Carbocation is a reaction intermediate in which of the following reactions?

Description : Carbocation is a reaction intermediate in which of the following reactions?

Last Answer : Carbocation is a reaction intermediate in which of the following reactions? A. `E_(1)` reactions B. ... ^(1))` reaction D. All of the above

Most stable carbocation is:

Description : Most stable carbocation is:

Last Answer : Most stable carbocation is: A. B. C. D.

Most stable carbocation is:

Description : Most stable carbocation is:

Last Answer : Most stable carbocation is: A. `CH_(3)-overset(+)CH_(2)` B. `overset(+)CH_(2)CHCl_(2)` C. `overset(+)CH_ ... (2)Cl` D. `overset(+)CH_(2)-CH_(2)NO_(2)`

Which of the following statements is correct about a carbocation?

Description : Which of the following statements is correct about a carbocation?

Last Answer : Which of the following statements is correct about a carbocation? A. It reacts with nucleophile B. It can ... )` to form an olefin D. All are correct

The most stable carbocation is :

Description : The most stable carbocation is :

Last Answer : The most stable carbocation is : A. methyl carbocation B. primary carbocation C. secondary carbocation D. tertiary carbocation

Phenol is more reactive than benzene towards electrophilic substitution reaction. In case of Phenol, the intermediate carbocation is more resonance st

Description : Phenol is more reactive than benzene towards electrophilic substitution reaction. In case of Phenol, the intermediate carbocation is more resonance st

Last Answer : Phenol is more reactive than benzene towards electrophilic substitution reaction. In case of Phenol, the ... D. A is incorrect but R is correct

Which of the following is not a possible reaction of a carbocation? (a) addition of a nucleophile (b) rearrangement to a more stable carbocation (c) addition of a proton to form an alkane (d) loss of a β-hydrogen to form an alkene

Description : Which of the following is not a possible reaction of a carbocation? (a) addition of a nucleophile (b) rearrangement to a more stable carbocation (c) addition of a proton to form an alkane (d) loss of a β-hydrogen to form an alkene

Last Answer : addition of a proton to form an alkane

"Bhopal gas tragedy" 1984 is related to – (1) Aluminium Phosphide (2) Methyl bromide (3) Methyl isocyanate (4) Carbon dioxide

Description : "Bhopal gas tragedy" 1984 is related to – (1) Aluminium Phosphide (2) Methyl bromide (3) Methyl isocyanate (4) Carbon dioxide

Last Answer : (3) Methyl isocyanate Explanation: In the Bhopal disaster which took place on 2-3 December, 1984 over 500,000 people were exposed to methyl isocyanate gas and other chemicals. The toxic substance made its way in and around the shantytowns located near the plant.

The Bhopal tragedy was caused by the gas - (1) phosgene (2) carbon monoxide (3) methyl isocyanate (4) chlorine

Description : The Bhopal tragedy was caused by the gas - (1) phosgene (2) carbon monoxide (3) methyl isocyanate (4) chlorine

Last Answer : (3) methyl isocyanate Explanation: The Bhopal disaster occurred on the night of 2-3 December 1984 at the Union Carbide India Limited (UCIL) pesticide plant in Bhopal, Madhya Pradesh. Over 500,000 people were exposed to methyl isocyanate gas and other chemicals.

Bhopal has tragedy is associated with leakage of – (1) carbon dioxide (2) nitrogen dioxide (3) sulphur dioxide (4) methyl isocyanate

Description : Bhopal has tragedy is associated with leakage of – (1) carbon dioxide (2) nitrogen dioxide (3) sulphur dioxide (4) methyl isocyanate

Last Answer : (4) methyl isocyanate Explanation: The Bhopal disaster, also referred to as the Bhopal has tragedy, was a gas leak incident in India, considered one of the world's worst industrial disasters. ... other chemicals. The toxic substance made its way in and around the shantytowns located near the plant.

Mixing vessel used for the chlorination of methane to produce methyl chloride is made of (A) Copper (B) Cast iron (C) Aluminium (D) High carbon steel

Description : Mixing vessel used for the chlorination of methane to produce methyl chloride is made of (A) Copper (B) Cast iron (C) Aluminium (D) High carbon steel

Last Answer : (B) Cast iron

The commonly used solvent in supercritical extraction is (A) Methyl ethyl ketone (B) Water (C) Carbon tetrachloride (D) Carbon dioxide

Description : The commonly used solvent in supercritical extraction is (A) Methyl ethyl ketone (B) Water (C) Carbon tetrachloride (D) Carbon dioxide

Last Answer : (D) Carbon dioxide

Which gas caused Bhopal Gas Tragedy? (a) Methyl Isocyanate (b) Carbon dioxide (c) Oxygen (d) Methane

Description : Which gas caused Bhopal Gas Tragedy? (a) Methyl Isocyanate (b) Carbon dioxide (c) Oxygen (d) Methane

Last Answer : (a) Methyl Isocyanate

The name of the chemical leakage in Bhopal Gas Tragedy – a) Carbon dioxide b) Methyl Isocyanate c) Hydrogen d) Sulphur oxide

Description : The name of the chemical leakage in Bhopal Gas Tragedy – a) Carbon dioxide b) Methyl Isocyanate c) Hydrogen d) Sulphur oxide

Last Answer : b) Methyl Isocyanate

The Killer gas which caused Bhopal gas tragedy in 1984 was (A) Phosgene (B) Methyl isocyanate (MIC) (C) Carbon monoxide (D) Sulphur dioxide

Description : The Killer gas which caused Bhopal gas tragedy in 1984 was (A) Phosgene (B) Methyl isocyanate (MIC) (C) Carbon monoxide (D) Sulphur dioxide

Last Answer : (B) Methyl isocyanate (MIC)

Silver acetate reacts with Br2 to form methyl bromide, carbon dioxide, and AgBr. This is an example of (a) Wurtz reaction (b) Etard's reaction (c) Hunsdiecker reaction (d) Perkin reaction

Description : Silver acetate reacts with Br2 to form methyl bromide, carbon dioxide, and AgBr. This is an example of (a) Wurtz reaction (b) Etard's reaction (c) Hunsdiecker reaction (d) Perkin reaction

Last Answer : Hunsdiecker reaction

Pick out the wrong statement. (A) Catalytic hydrogenation of carbon monoxide produces methyl alcohol (B) In nylon-6, the number 6 represents the total number of carbon atoms in the ring (C) Raw materials for DDT manufacture are benzene and chlorine (D) Ethanolamines are produced by using ammonia and ethylene oxide as raw material

Description : Pick out the wrong statement. (A) Catalytic hydrogenation of carbon monoxide produces methyl alcohol (B) In nylon-6, the number 6 represents the total number of carbon atoms in the ring (C ... are benzene and chlorine (D) Ethanolamines are produced by using ammonia and ethylene oxide as raw material

Last Answer : (C) Raw materials for DDT manufacture are benzene and chlorine

This noncombustible liquid in its dry form is noncorrosive to common metals except aluminum. About 90% of all of this material which is manufactured goes into the production of chlorofluorocarbons. Is this substance: w) carbon tetrachloride x) methylene chloride y) hydrogen chloride z) methyl fluoride

Description : This noncombustible liquid in its dry form is noncorrosive to common metals except aluminum. About 90% of all of this material which is manufactured goes into the production of chlorofluorocarbons. ... substance: w) carbon tetrachloride x) methylene chloride y) hydrogen chloride z) methyl fluoride

Last Answer : ANSWER: W -- CARBON TETRACHLORIDE

“Bhopal gas tragedy” 1984 is related to (1) Aluminium Phosphide (2) Methyl bromide (3) Methyl isocyanate (4) Carbon dioxide

Description : “Bhopal gas tragedy” 1984 is related to (1) Aluminium Phosphide (2) Methyl bromide (3) Methyl isocyanate (4) Carbon dioxide

Last Answer : Methyl isocyanate

The Bhopal tragedy was caused by the gas (1) phosgene (2) carbon monoxide (3) methyl isocyanate (4) chlorine

Description : The Bhopal tragedy was caused by the gas (1) phosgene (2) carbon monoxide (3) methyl isocyanate (4) chlorine

Last Answer : methyl isocyanate

Bhopal gas tragedy is associated with leakage of (1) carbon dioxide (2) nitrogen dioxide (3) sulphur dioxide (4) methyl isocyanate

Description : Bhopal gas tragedy is associated with leakage of (1) carbon dioxide (2) nitrogen dioxide (3) sulphur dioxide (4) methyl isocyanate

Last Answer : methyl isocyanate

Atomic size refers to the ______ of an atom. (1) Radius (2) Circumference (3) Diameter (4) Centre

Description : Atomic size refers to the ______ of an atom. (1) Radius (2) Circumference (3) Diameter (4) Centre

Last Answer : (1) Radius Explanation: The term atomic size refers to the radius of an atom. The atomic size may be visualized as the distance between the centre of the nucleus and the outermost shell of an isolated atom.

In order to become a/an ______, an atom of chlorine must ______ an electron. a. Ion; Gain b. Molecule; Lose c. Ion; Lose d. Molecule; Gain

Description : In order to become a/an ______, an atom of chlorine must ______ an electron. a. Ion; Gain b. Molecule; Lose c. Ion; Lose d. Molecule; Gain

Last Answer : a. Ion; Gain

An a-particle is _____. (1) A hydrogen molecule (2) A helium nucleus (3) An atom of hydrogen (4) A proton

Description : An a-particle is _____. (1) A hydrogen molecule (2) A helium nucleus (3) An atom of hydrogen (4) A proton

Last Answer : (2) A helium nucleus Explanation: Alpha particle, positively charged particle, identical to the nucleus of the helium-4 atom, spontaneously emitted by some radioactive substances, consisting of two protons and two neutrons bound together.

A proton is identical to _____. (1) the nucleus of helium (2) the nucleus of a hydrogen atom (3) an alpha-particle (4) a beta particle

Description : A proton is identical to _____. (1) the nucleus of helium (2) the nucleus of a hydrogen atom (3) an alpha-particle (4) a beta particle

Last Answer : D. a beta particle

If an atom loses one or more electrons, it becomes _____.

Description : If an atom loses one or more electrons, it becomes _____.

Last Answer : It   becomes   positively  charged    atom.

What kind of bond does a carbon atom make?

Description : What kind of bond does a carbon atom make?

Last Answer : Carbon is a basic element.

What is the number of unpaired electrons in carbon atom? -General Knowledge

Description : What is the number of unpaired electrons in carbon atom? -General Knowledge

Last Answer : The answer is '2'

What is the number of unpaired electrons in carbon atom? -General Knowledge

Description : What is the number of unpaired electrons in carbon atom? -General Knowledge

Last Answer : answer:

How many protons are there in a carbon atom ?

Description : How many protons are there in a carbon atom ?

Last Answer : The carbon atom has 6 protons.

Assertion :-`CO_(2)` molecules is non-polar while `SO_(2)` Reason : - Carbon atom is smaller than sulphur.

Description : Assertion :-`CO_(2)` molecules is non-polar while `SO_(2)` Reason : - Carbon atom is smaller than sulphur.

Last Answer : Assertion :-`CO_(2)` molecules is non-polar while `SO_(2)` Reason : - Carbon atom is smaller ... is False. D. If both Assertion & Reason are false