Is each ion stable?

Is each ion stable?
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In which of the following compounds, the `C-Cl` bond ion-isation shall give most stable carbonium ion?

Description : In which of the following compounds, the `C-Cl` bond ion-isation shall give most stable carbonium ion?

Last Answer : In which of the following compounds, the `C-Cl` bond ion-isation shall give most stable carbonium ion? A. B. C. D.

The compound which give the most stable carbonium ion on dehydration is

Description : The compound which give the most stable carbonium ion on dehydration is

Last Answer : The compound which give the most stable carbonium ion on dehydration is A. `CH_(3) - underset(CH_(3)) ... underset(OH)underset(|)(CH)-CH_(2)CH_(3)`

What is the most stable monatomic ion formed from aluminum?

Description : What is the most stable monatomic ion formed from aluminum?

Last Answer : The only monatomic ion formed from aluminum is Al3+.

Why FE3+ ion is more stable than Fe2+ ion is ?

Description : Why FE3+ ion is more stable than Fe2+ ion is ?

Last Answer : Because of stable, half filled 3 d5 electronic configurations in fe3+

Electron-withdrawing groups are meta directors because : (a) the carbonium ion intermediate has a negative charge on the meta position. (b) the more stable resonance hybrid occurs with meta attachment of the electrophile. (c) the less stable resonance hybrid occurs with meta attachment of the electrophile. (d) the carbonium ion intermediate has a positive charge on the meta position

Description : Electron-withdrawing groups are meta directors because : (a) the carbonium ion intermediate has a negative charge on the meta position. (b) the more stable resonance hybrid occurs with meta ... the electrophile. (d) the carbonium ion intermediate has a positive charge on the meta position

Last Answer : the more stable resonance hybrid occurs with meta attachment of the electrophile.

Why does a H+ ion attacking a carbon-carbon double bond add to the carbon with the least number of substituents? (a) the reaction is resonance stabilized. (b) the hybrid geometry favors this process. (c) nucleophile tends to attack stable centers of negative charge. (d) a more stable carbonium ion is generated.

Description : Why does a H+ ion attacking a carbon-carbon double bond add to the carbon with the least number of substituents? (a) the reaction is resonance stabilized. (b) the hybrid geometry favors this ... tends to attack stable centers of negative charge. (d) a more stable carbonium ion is generated.

Last Answer : a more stable carbonium ion is generated.

Select the smaller ion form each of the following pairs :  a. K^+, Li^+ b. N^(3-), F^-

Description : Select the smaller ion form each of the following pairs :  a. K^+, Li^+ b. N^(3-), F^-

Last Answer : Select the smaller ion form each of the following pairs : a. K+, Li+ b. N3-, F-

How many sulfide ions surrounds the each lead ion?

Description : How many sulfide ions surrounds the each lead ion?

Last Answer : Need answer

Give one example for each of the following types of inter-particle forces (a) London dispersion forces (b)Dipole-Dipole forces (c) Hydrogen bond (d) Ion-dipole forces

Description : Give one example for each of the following types of inter-particle forces (a) London dispersion forces (b)Dipole-Dipole forces (c) Hydrogen bond (d) Ion-dipole forces

Last Answer : Ans. (a) noble gases. (b) between HCl molecules. (c) Between water molecules or HF molecules. (d)Between NO3- and water molecules.

(a) If the radius of the Br ion is 0.182 nm, how large a cation can fit in each of the tetrahedral hole. (b) AgI crystallizes in a cubic closed packed ZnS structure. What fraction of tetrahedral site is occupied by Ag ion ? (c) At what temp. range, most of the metals becomes super conductors ?

Description : (a) If the radius of the Br ion is 0.182 nm, how large a cation can fit in each of the tetrahedral hole. (b) AgI crystallizes in a cubic closed packed ZnS structure. What fraction of tetrahedral site ... Ag ion ?  (c) At what temp. range, most of the metals becomes super conductors ?

Last Answer : (a) For a tetrahedron the limiting ratio is 0.225 – 0.414 For largest cation highest value 0.414 would be considered. r + / r– = 0.414 r + = 0.414 × 0.182 = 0.075 nm. (b) In FCC there are 8 tetrahedral voids. Out of this ½ is occupied by Ag cation. (c) 2 k – 5 k.

Human urine is usually acidic because (a) potassium and sodium exchange generates acidity (b) hydrogen ions are actively secreted into the filtrate (c) the sodium transporter exchanges one hydrogen ion for each sodium ion, in peritubular capillaries (d) excreted plasma proteins are acidic.

Description : Human urine is usually acidic because (a) potassium and sodium exchange generates acidity (b) hydrogen ions are actively secreted into the filtrate (c) the sodium transporter exchanges one hydrogen ion for each sodium ion, in peritubular capillaries (d) excreted plasma proteins are acidic.

Last Answer : (b) hydrogen ions are actively secreted into the filtrate

Which of the following strategies would NOT be effective at improving your communication competence? a) Recognize the people, objects, and situations remain stable over time b) Recognize that each person’s frame of perception is unique c) Be active in perceiving d) Distinguish facts from inference

Description : Which of the following strategies would NOT be effective at improving your communication competence? a) Recognize the people, objects, and situations remain stable over time b) Recognize that each ... frame of perception is unique c) Be active in perceiving d) Distinguish facts from inference

Last Answer : a) Recognize the people, objects, and situations remain stable over time

Fugacity of a component in an ideal gas mixture is equal to the partial pressure of that component in the mixture. The fugacity of each component in a stable homogeneous solution at constant pressure and temperature __________ as its mole fraction increases. (A) Decreases (B) Decreases exponentially (C) Increases (D) Remain constant

Description : Fugacity of a component in an ideal gas mixture is equal to the partial pressure of that component in the mixture. The fugacity of each component in a stable homogeneous solution at constant pressure and ... increases. (A) Decreases (B) Decreases exponentially (C) Increases (D) Remain constant

Last Answer : (C) Increases

For a stable phase at constant pressure and temperature, the fugacity of each component in a binary system __________ as its mole fraction increases. (A) Decreases (B) Increases (C) Remain same (D) Decreases linearly

Description : For a stable phase at constant pressure and temperature, the fugacity of each component in a binary system __________ as its mole fraction increases. (A) Decreases (B) Increases (C) Remain same (D) Decreases linearly

Last Answer : (B) Increases

When radiation breaks an electron pair bond in a molecule and each fragment of the molecule gets one of the bond electrons, the molecular fragments that are formed are called: w) ions x) free radicals y) stable molecules z) gases

Description : When radiation breaks an electron pair bond in a molecule and each fragment of the molecule gets one of the bond electrons, the molecular fragments that are formed are called: w) ions x) free radicals y) stable molecules z) gases

Last Answer : ANSWER: X -- FREE RADICALS

Continents have three major features. The oldest areas of each continent are the: w) folded mountains x) stable platforms y) mountain cores z) shields

Description : Continents have three major features. The oldest areas of each continent are the: w) folded mountains x) stable platforms y) mountain cores z) shields

Last Answer : ANSWER: Z -- SHIELDS