The correct increasing order of the reactivity of halides for `S_(N^(1))` reaction is:

The correct increasing order of the reactivity of halides for `S_(N^(1))` reaction is:
by

1 Answer

Answer :

The correct increasing order of the reactivity of halides for `S_(N^(1))` reaction is: A. `CH_(3)CH_(2)-Xlt( ... -Xlt(CH_(3))_(2)CH-XltCH_(3)CH_(2)-X`
by
selected by

Related questions

The `S_(N^(1))` reactivity of the following halides will be in the order: (i) `(CH_(3))_(3)C-Br` (ii) `(C_(6)H_(5))CHBr` (iii) `(C_(6)H_(5))_(2)C(CH_(

Description : The `S_(N^(1))` reactivity of the following halides will be in the order: (i) `(CH_(3))_(3)C-Br` (ii) `(C_(6)H_(5))CHBr` (iii) `(C_(6)H_(5))_(2)C(CH_(

Last Answer : The `S_(N^(1))` reactivity of the following halides will be in the order: (i) `(CH_(3))_(3)C-Br` (ii) `(C_ ... D. (iii) gt (ii) gt (i) gt (iv) gt (v)

The order of reactivities of the following alkyl halides for a `S_(N^(2))` reaction is :

Description : The order of reactivities of the following alkyl halides for a `S_(N^(2))` reaction is :

Last Answer : The order of reactivities of the following alkyl halides for a `S_(N^(2))` reaction is : A. RF > RCl > RBr > ... RBr > RF > RI D. RI > RBr > RCl > RF

Which of the following is the correct order of decreasing `S_(N^(2))` reactivity ?

Description : Which of the following is the correct order of decreasing `S_(N^(2))` reactivity ?

Last Answer : Which of the following is the correct order of decreasing `S_(N^(2))` reactivity ? A. `R_(2)CHXgtR_(3) ... 3)CXgtR_(2)CHXgtRCH_(2)X("X is a halogen")`

Consider the following bromides: The correct order of `S_(N^(1))` reactivity is :

Description : Consider the following bromides: The correct order of `S_(N^(1))` reactivity is :

Last Answer : Consider the following bromides: The correct order of `S_(N^(1))` reactivity is : A. `IgtIIgtIII` B. `IIgtIIIgtI` C. `IIgtIgtIII` D. `IIIgtIIgtI`

Which of the following halides will be most reactive towards `S_(N^(2))` reaction?

Description : Which of the following halides will be most reactive towards `S_(N^(2))` reaction?

Last Answer : Which of the following halides will be most reactive towards `S_(N^(2))` reaction? A. `C_(6)H_(5)CH_(2 ... (2)-underset(Br)underset("| ")"CH"-CH_(3)`

Which of the following alkyl halides is hydrolysed by `S_(N^(1))` mechanism?

Description : Which of the following alkyl halides is hydrolysed by `S_(N^(1))` mechanism?

Last Answer : Which of the following alkyl halides is hydrolysed by `S_(N^(1))` mechanism? A. `CH_(3)Cl` B. `CH_(3)CH_(2)Cl` ... (2)CH_(2)Cl` D. `(CH_(3))_(3)"CCl"`

Arrange the following in order of decreasing tendency towards `S_(N^(2))` reaction : `{:(underset("(I)")(CH_(3)CH_(2)CH_(2)CH_(2)Cl)", "underset("(II)

Description : Arrange the following in order of decreasing tendency towards `S_(N^(2))` reaction : `{:(underset("(I)")(CH_(3)CH_(2)CH_(2)CH_(2)Cl)", "underset("(II)

Last Answer : Arrange the following in order of decreasing tendency towards `S_(N^(2))` reaction : `{: ... `IIIgtIVgtIIgtI` C. `IgtIIIgtIIgtIV` D. `IIgtIgtIIIgtIV`

The increasing order of reactivity among group 1 elements is Li<Na<K<Rb<Cs whereas among the group 17 elements, it is F>Cl>Br>I. Explain.

Description : The increasing order of reactivity among group 1 elements is Li

Last Answer : Ans. In group 1 elements (alkali metals) the reactivity of the metals is mainly due to the electron releasing tendency of their atoms, which is related to ionization enthalpy, Since ... electron gain enthalpy. Since both of them decrease down the group, the reactivity therefore decreases.

Arrange the following carboxyl compounds in increasing order of their reactivity in nucleophilic addition reactions. Explain with proper reasoning : Benzaldehyde. p-tolualdeyde, p-nitrobenzaldehyde, Acetophenone.

Description : Arrange the following carboxyl compounds in increasing order of their reactivity in nucleophilic addition reactions. Explain with proper reasoning : Benzaldehyde. p-tolualdeyde, p-nitrobenzaldehyde, Acetophenone.

Last Answer : Ans. Acetophenone is a ketone while all others are aldehydes, therefore it is least reactive. In p-tolualdehyde, there is methyl group (CH3 ) at para position w.r.t. to the ... overall order of increasing reactivity : acetophenone < p-tolualdehyde < benzaldehyde < p-nitrobenzaldehyde. 

The reactivity series is a list of metals arranged in order of A) Increasing reactivity B) Decreasing reactivity C) Increasing and decreasing reactivity D) None of the above

Description : The reactivity series is a list of metals arranged in order of A) Increasing reactivity B) Decreasing reactivity C) Increasing and decreasing reactivity D) None of the above

Last Answer : B) Decreasing reactivity

Which of the following are correct for `S_(N^(2))` reaction?

Description : Which of the following are correct for `S_(N^(2))` reaction?

Last Answer : Which of the following are correct for `S_(N^(2))` reaction? A. The reaction intermediate ... solvents D. It is favoured by stability of carbocation

Identify the correct sequence of increasing of `pi-` bonds in the structure of the following molecules `:` `(I)H_(2)S_(2)O_(6)" "(II)H_(2)S_(2)O_(3)"

Description : Identify the correct sequence of increasing of `pi-` bonds in the structure of the following molecules `:` `(I)H_(2)S_(2)O_(6)" "(II)H_(2)S_(2)O_(3)"

Last Answer : Identify the correct sequence of increasing of `pi-` bonds in the structure of the following molecules `:` `(I)H_(2) ... I C. II, I, III D. I, III,II

Identify the correct sequence of increasing of `pi-` bonds in the structure of the following molecules `:` `(I)H_(2)S_(2)O_(6)" "(II)H_(2)S_(2)O_(3)"

Description : Identify the correct sequence of increasing of `pi-` bonds in the structure of the following molecules `:` `(I)H_(2)S_(2)O_(6)" "(II)H_(2)S_(2)O_(3)"

Last Answer : Identify the correct sequence of increasing of `pi-` bonds in the structure of the following molecules `:` `(I)H_(2) ... i C. ii, I, iii D. I, iii, ii

Which of the following statements concerning SN2 reactions of alkyl halides is not correct? (a) The rate of reaction depends on the concentration of the nucleophile. (b) The rate of reaction depends on the concentration of the alkyl halide. (c) The rate of reaction of a particular alkyl bromide depends on the steric accessibility of the carbon of the C-Br bond. (d) All alkyl iodides react more rapidly than all alkyl chlorides

Description : Which of the following statements concerning SN2 reactions of alkyl halides is not correct? (a) The rate of reaction depends on the concentration of the nucleophile. (b) The rate of reaction depends on the ... carbon of the C-Br bond. (d) All alkyl iodides react more rapidly than all alkyl chlorides

Last Answer : All alkyl iodides react more rapidly than all alkyl chlorides

The correct order of the thermal stability of hydrogen halides `(H-X)` is

Description : The correct order of the thermal stability of hydrogen halides `(H-X)` is

Last Answer : The correct order of the thermal stability of hydrogen halides `(H-X)` is A. (1) HI gt HBrgt HCI gt HF B. ... HBr lt HI D. (4)Hl gt HCI lt HF lt HBr

(A) `S_(N^(2))` reactioin takes place in single step. (R) `S_(N^(2))` reaction involves transition state intermediate.

Description : (A) `S_(N^(2))` reactioin takes place in single step. (R) `S_(N^(2))` reaction involves transition state intermediate.

Last Answer : (A) `S_(N^(2))` reactioin takes place in single step. (R) `S_(N^(2))` reaction involves transition ... . D. IF (A) is incorrect but (R) is correct.

KI in acetone, undergoes `S_(N)2` reaction with each of `P,Q ,R` and S The rates of the reaction very as `underset(P)(H_(3)C-Cl)` .

Description : KI in acetone, undergoes `S_(N)2` reaction with each of `P,Q ,R` and S The rates of the reaction very as `underset(P)(H_(3)C-Cl)` .

Last Answer : KI in acetone, undergoes `S_(N)2` reaction with each of `P,Q ,R` and S The rates of the reaction very as ` ... R gt Q gt S D. R gt P gt S gt Q

In a `S_(N^(2))` substitution reaction of the type `R-Br+Cl^(-)overset("DMF")rarrR-Cl+Br^(-)` Which one of the following has the highest relative rate

Description : In a `S_(N^(2))` substitution reaction of the type `R-Br+Cl^(-)overset("DMF")rarrR-Cl+Br^(-)` Which one of the following has the highest relative rate

Last Answer : In a `S_(N^(2))` substitution reaction of the type `R-Br+Cl^(-)overset("DMF")rarrR-Cl+Br^(-)` Which one of ... CH_(2)Br` D. `(CH_(3))_(2)CH-CH_(2)Br`

Which one is most reactive towards `S_(N^(1))` reaction?

Description : Which one is most reactive towards `S_(N^(1))` reaction?

Last Answer : Which one is most reactive towards `S_(N^(1))` reaction? A. `C_(6)H_(5)CH(C_(6)H_(5))Br` B. `C_(6)H_(5) ... H_(5)CH(CH_(3))Br` D. `C_(6)H_(5)CH_(2)Br`

In the `S_(N^(1))` reaction on chiral centres there is :

Description : In the `S_(N^(1))` reaction on chiral centres there is :

Last Answer : In the `S_(N^(1))` reaction on chiral centres there is : A. `100%` racemization B. ... partial racemization C. `100%` retention D. `100%` inversion

As `S_(N^(2))` reaction at an asymmetric carbon of a compound always gives:

Description : As `S_(N^(2))` reaction at an asymmetric carbon of a compound always gives:

Last Answer : As `S_(N^(2))` reaction at an asymmetric carbon of a compound always gives: A. an ... C. a mixture of diastereomers D. a single stereoisomer

Which of the following reactions is an example of `S_(N^(2))` reaction?

Description : Which of the following reactions is an example of `S_(N^(2))` reaction?

Last Answer : Which of the following reactions is an example of `S_(N^(2))` reaction? A. `(CH_(3))_(3)C-Br+OH^(-) ... )CH_(2)OHunderset((-H_(2)O))rarrH_(2)C=CH_(2)`

Which one of the following statements wrong about `S_(N^(2))` reaction?

Description : Which one of the following statements wrong about `S_(N^(2))` reaction?

Last Answer : Which one of the following statements wrong about `S_(N^(2))` reaction? A. The rate of ... The rate of reaction `prop` [substrate] [nucleophile]

Arrange the following in correct order of reactivity towards `Cl_(2)//hupsilon` (A) `CH_(4)` (B) `CH_(3)CH_(3)` (C ) `CH_(3)CH_(2)CH_(3)` (D) `CH_(3)-

Description : Arrange the following in correct order of reactivity towards `Cl_(2)//hupsilon` (A) `CH_(4)` (B) `CH_(3)CH_(3)` (C ) `CH_(3)CH_(2)CH_(3)` (D) `CH_(3)-

Last Answer : Arrange the following in correct order of reactivity towards `Cl_(2)//hupsilon` (A) `CH_(4)` (B) `CH_(3)CH_(3)` ( ... gt A gt D` D. `C gt B gt D gt A`

Identify the correct order of reactivity in electrophilic substitution reactions of the following compounds:

Description : Identify the correct order of reactivity in electrophilic substitution reactions of the following compounds:

Last Answer : Identify the correct order of reactivity in electrophilic substitution reactions of the following ... C. `IIgtIgtIIIgtIV` D. `IIgtIIIgtIgtIV`

Identify the correct order of reactivity in electrophilic substitution reactions of the following compounds :

Description : Identify the correct order of reactivity in electrophilic substitution reactions of the following compounds :

Last Answer : Identify the correct order of reactivity in electrophilic substitution reactions of the following compounds : ... ` C. `2gt1gt3gt4` D. `2gt3gt1gt4`

Which of the following is the correct arrangement of the given metals in ascending order of their reactivity? Zinc, Iron, Magnesium, Sodium A) Zinc > Iron > Magnesium > Sodium B) Sodium > Magnesium > Iron > Zinc C) Sodium > Zinc > Magnesium > Iron D) sodium > Magnesium > Zinc > Iron

Description : Which of the following is the correct arrangement of the given metals in ascending order of their reactivity? Zinc, Iron, Magnesium, Sodium A) Zinc > Iron > Magnesium > Sodium B) Sodium > Magnesium > Iron > Zinc C) Sodium > Zinc > Magnesium > Iron D) sodium > Magnesium > Zinc > Iron

Last Answer : D) sodium > Magnesium > Zinc > Iron

Number of halides undergoing complete reaction in presence of water under normal conditions is : (i) `BF_(3)` (ii) `BCl_(3)` (iii) `NCl_(3)` (iv) `AlC

Description : Number of halides undergoing complete reaction in presence of water under normal conditions is : (i) `BF_(3)` (ii) `BCl_(3)` (iii) `NCl_(3)` (iv) `AlC

Last Answer : Number of halides undergoing complete reaction in presence of water under normal conditions is : (i) `BF_(3)` (ii ... (vi) `PCl_(3)` (vii) `AsCl_(3)`

Number of halides undergoing complete reaction in presence of water under normal conditions is : (i) `BF_(3)` (ii) `BCl_(3)` (iii) `NCl_(3)` (iv) `AlC

Description : Number of halides undergoing complete reaction in presence of water under normal conditions is : (i) `BF_(3)` (ii) `BCl_(3)` (iii) `NCl_(3)` (iv) `AlC

Last Answer : Number of halides undergoing complete reaction in presence of water under normal conditions is : (i) `BF_(3)` (ii ... (vi) `PCl_(3)` (vii) `AsCl_(3)`

Grignard reagents do not show any reaction with (a) Alkoxyalkanes (b) Alkanones (c) Alkyl alkanoates (d) Acyl halides

Description : Grignard reagents do not show any reaction with (a) Alkoxyalkanes (b) Alkanones (c) Alkyl alkanoates (d) Acyl halides

Last Answer : Alkoxyalkanes

Which of the following halides is least reactive in an E2 reaction with sodium methoxide? (a) (CH3)3CCH2I (b) (CH3)2CHCHICH3 (c) (CH3)2CHCH2Br (d) (CH3)2CHCH2Cl

Description : Which of the following halides is least reactive in an E2 reaction with sodium methoxide? (a) (CH3)3CCH2I (b) (CH3)2CHCHICH3 (c) (CH3)2CHCH2Br (d) (CH3)2CHCH2Cl

Last Answer : (CH3)3CCH2I

Which of the following halides is most reactive in an E2 reaction with sodium methoxide? (a) (CH3)3CCH2I (b) (CH3)2CHCHICH3 (c) (CH3)2CHCH2Br (d) (CH3)2CHCH2C

Description : Which of the following halides is most reactive in an E2 reaction with sodium methoxide? (a) (CH3)3CCH2I (b) (CH3)2CHCHICH3 (c) (CH3)2CHCH2Br (d) (CH3)2CHCH2C

Last Answer : (CH3)2CHCHICH3

The order of stability of halides of sulphur with different halogens is

Description : The order of stability of halides of sulphur with different halogens is

Last Answer : The order of stability of halides of sulphur with different halogens is A. `I^(-) gt Br^(-) gt Cl^(-) gt F^(-)` ... `F^(-) gt Cl^(-) gt I^(-) Br^(-)`

The order of stability of halides of sulphur with different halogens is

Description : The order of stability of halides of sulphur with different halogens is

Last Answer : The order of stability of halides of sulphur with different halogens is A. `I^(-) gt Br^(-) gt Cl^(-) gt F^(-)` ... `F^(-) gt Cl^(-) gt I^(-) Br^(-)`

The stability of the halides of group 16 elements decreases in the order

Description : The stability of the halides of group 16 elements decreases in the order

Last Answer : The stability of the halides of group 16 elements decreases in the order A. `F gt Cl gt Br gt I` B. `Cl gt Br ... gt Cl gt F` D. `Br gt Cl gt F gt I`

The correct order of sulphur - oxygen bond energy in `S_(2)O_(3)^(2-), SO_(4)^(2-), SO_(3) and S_(2)O_(6)^(2-)` is

Description : The correct order of sulphur - oxygen bond energy in `S_(2)O_(3)^(2-), SO_(4)^(2-), SO_(3) and S_(2)O_(6)^(2-)` is

Last Answer : The correct order of sulphur - oxygen bond energy in `S_(2)O_(3)^(2-), SO_(4)^(2-), SO_(3) and S_(2)O_(6)^( ... (4)^(2-) lt SO_(3) lt S_(2)O_(3)^(2-)`

The correct order of sulphur - oxygen bond energy in `S_(2)O_(3)^(2-), SO_(4)^(2-), SO_(3) and S_(2)O_(6)^(2-)` is

Description : The correct order of sulphur - oxygen bond energy in `S_(2)O_(3)^(2-), SO_(4)^(2-), SO_(3) and S_(2)O_(6)^(2-)` is

Last Answer : The correct order of sulphur - oxygen bond energy in `S_(2)O_(3)^(2-), SO_(4)^(2-), SO_(3) and S_(2)O_(6)^( ... (4)^(2-) lt SO_(3) lt S_(2)O_(3)^(2-)`

Which of the following is not correct concerning substitution and elimination reactions of alkyl halides? (a) The electrophile replaces the leaving group. (b) Compounds containing electron-donating groups bonded to an sp3 hybridized carbon undergo substitution and elimination reactions. (c) The electronegative atom is replaced by another atom or group in substitution reactions. (d) (a) and (b)

Description : Which of the following is not correct concerning substitution and elimination reactions of alkyl halides? (a) The electrophile replaces the leaving group. (b) Compounds containing electron-donating groups bonded to an ... replaced by another atom or group in substitution reactions. (d) (a) and (b)

Last Answer : (a) and (b)

Arrange the following compound in reactivity towards EAS (Electrophilic aromatic substitution) reaction ?

Description : Arrange the following compound in reactivity towards EAS (Electrophilic aromatic substitution) reaction ?

Last Answer : Arrange the following compound in reactivity towards EAS (Electrophilic aromatic substitution) reaction ? A. `A gt B gt ... A` D. `C gt B gt D gt A`

`R-OH + HX to R -X + H_(2)O` In the above reaction the reactivity of different alcohols is

Description : `R-OH + HX to R -X + H_(2)O` In the above reaction the reactivity of different alcohols is

Last Answer : `R-OH + HX to R -X + H_(2)O` In the above reaction the reactivity of different alcohols is ... `gt` secondary D. Secondary `gt` primary `gt` tertiary

If `alpha, beta` are roots of equation `x^(2)-4x-3=0` and `s_(n)=alpha^(n)+beta^(n), n in N` then the value of `(s_(7)-4s_(6))/s_(5)` is

Description : If `alpha, beta` are roots of equation `x^(2)-4x-3=0` and `s_(n)=alpha^(n)+beta^(n), n in N` then the value of `(s_(7)-4s_(6))/s_(5)` is

Last Answer : If `alpha, beta` are roots of equation `x^(2)-4x-3=0` and `s_(n)=alpha^(n)+beta^(n), n in N` then the value ... 4s_(6))/s_(5)` is A. 4 B. 3 C. 5 D. 7

Some amount of "20V" `H_(2)O_(2)` is mixed with excess of acidified solution of Kl. The iodine so liberated required 200 mL of 0.1 N `Na_(2)S_(2)O_(3)

Description : Some amount of "20V" `H_(2)O_(2)` is mixed with excess of acidified solution of Kl. The iodine so liberated required 200 mL of 0.1 N `Na_(2)S_(2)O_(3)

Last Answer : Some amount of "20V" `H_(2)O_(2)` is mixed with excess of acidified solution of Kl. The iodine so liberated ... 56 mL B. 112 mL C. 168 mL D. 224 mL

Some amount of "20V" `H_(2)O_(2)` is mixed with excess of acidified solution of Kl. The iodine so liberated required 200 mL of 0.1 N `Na_(2)S_(2)O_(3)

Description : Some amount of "20V" `H_(2)O_(2)` is mixed with excess of acidified solution of Kl. The iodine so liberated required 200 mL of 0.1 N `Na_(2)S_(2)O_(3)

Last Answer : Some amount of "20V" `H_(2)O_(2)` is mixed with excess of acidified solution of Kl. The iodine so liberated required ... . 0.8 g C. 4.2 g D. 0.98 g

Some amount of "20V" `H_(2)O_(2)` is mixed with excess of acidified solution of Kl. The iodine so liberated required 200 mL of 0.1 N `Na_(2)S_(2)O_(3)

Description : Some amount of "20V" `H_(2)O_(2)` is mixed with excess of acidified solution of Kl. The iodine so liberated required 200 mL of 0.1 N `Na_(2)S_(2)O_(3)

Last Answer : Some amount of "20V" `H_(2)O_(2)` is mixed with excess of acidified solution of Kl. The iodine so liberated required ... 37.2 mL C. 5.6 mL D. 22.4 mL

`underset("Brown")([(NH_(3))_(5)Co-O-O-Co(NH_(3))_(5)]^(4+)) underset("oxidise")overset([S_(2)O_(8)]^(2-))tounderset("Green")([(NH_(3))_(5)Co-O-O-Co(N

Description : `underset("Brown")([(NH_(3))_(5)Co-O-O-Co(NH_(3))_(5)]^(4+)) underset("oxidise")overset([S_(2)O_(8)]^(2-))tounderset("Green")([(NH_(3))_(5)Co-O-O-Co(N

Last Answer : `underset("Brown")([(NH_(3))_(5)Co-O-O-Co(NH_(3))_(5)]^(4+)) underset("oxidise")overset([S_(2)O_(8) ... III " "IV" & "III" "III),("brown "" green"):}`

(A) In `S_(N^(2))` reactions, complete inversion of configuration takes place. (R) In `S_(N^(1))` reactions, retention but not the inversion takes pla

Description : (A) In `S_(N^(2))` reactions, complete inversion of configuration takes place. (R) In `S_(N^(1))` reactions, retention but not the inversion takes pla

Last Answer : (A) In `S_(N^(2))` reactions, complete inversion of configuration takes place. (R) In `S_(N^(1))` ... . D. IF (A) is incorrect but (R) is correct.

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 most easily hydrolysed molecule under `S_(N^(1))` condition is:

Description : The most easily hydrolysed molecule under `S_(N^(1))` condition is:

Last Answer : The most easily hydrolysed molecule under `S_(N^(1))` condition is: A. allyl chloride B. benzyl chloride C. ethyl chloride D. isopropyl chloride

The hydrolysis of 2-bromo-3-methylbutane by `S_(N^(1))` mechanism gives meinly:

Description : The hydrolysis of 2-bromo-3-methylbutane by `S_(N^(1))` mechanism gives meinly:

Last Answer : The hydrolysis of 2-bromo-3-methylbutane by `S_(N^(1))` mechanism gives meinly: A. 3-methyl-2- ... . 2,2-dimethyl-2-propanol D. 2-methyl-1-butanol

Which one of the following halogen compounds is difficult to be hydrolysed by `S_(N^(1))` mechanism?

Description : Which one of the following halogen compounds is difficult to be hydrolysed by `S_(N^(1))` mechanism?

Last Answer : Which one of the following halogen compounds is difficult to be hydrolysed by `S_(N^(1)) ... B. Isopropyl chloride C. Benzyl chloride D. Chlorobenzene