Description : Arrange the following compounds in decreasing order of reactivity for EAR :- (I) `CH_(2)=CH_(2)` (II) `CH_(3)-CH=CH_(2)` (III) `Ph_(2)C=CH-CH_(3)` (IV
Last Answer : Arrange the following compounds in decreasing order of reactivity for EAR :- (I) `CH_(2)=CH_(2)` (II) `CH_(3)- ... I gt IV` D. `II gt III gt IV gt I`
Description : Arrange the compounds in order of decreasing acidic strength : (I) `ClCH_(2)-CH_(2)-OH` (II) `Cl_(2)CH-CH_(2)-OH` (III) `Cl-CH_(2)-CH_(2)-CH_(2)-OH` (
Last Answer : Arrange the compounds in order of decreasing acidic strength : (I) `ClCH_(2)-CH_(2)-OH` (II) `Cl_(2)CH-CH_(2 ... IV gt III` D. `II gt I gt III gt IV`
Description : What is the correct order of decreasing stability of the following cations ? `overset(oplus)underset(CH_(3)-CH-CH_(3)` II `overset(oplus)underset(CH_(
Last Answer : What is the correct order of decreasing stability of the following cations ? `overset(oplus)underset(CH_(3)-CH-CH_( ... gt I gt III D. II gt III gt I
Description : Arragne basicity of the following compounds in decreasing order: `CH_(3)CH_(2)NH_(2)(I)," "H_(2)C=CH-NH_(2)(II),` `HC-=C-NH_(2)(III)," "C_(6)H_(5)NH_(
Last Answer : Arragne basicity of the following compounds in decreasing order: `CH_(3)CH_(2)NH_(2)(I), ... `IVgtIIIgtIIgtI` C. `IIIgtIIgtIgtIV` D. `IgtIIIgtIIgtIV`
Description : How many sterioisomers does the following compound have ? `CH_(3)-CH_(2)-underset(overset(|)(Br))(C)H-CH_(2)-CH=CH-CH_(3)`
Last Answer : How many sterioisomers does the following compound have ? `CH_(3)-CH_(2)-underset(overset(|)(Br))(C)H-CH_(2)-CH=CH-CH_(3)` A. None B. 2 C. 4 D. 6
Description : Total number of stereoisomers of compound `CH_(3)-CH=CH-underset(overset(|)(CI))(C)H-CH=CH-CH_(3)` are :
Last Answer : Total number of stereoisomers of compound `CH_(3)-CH=CH-underset(overset(|)(CI))(C)H-CH=CH-CH_(3)` are :
Description : How much geometrical isomers are possible for the given compound? `CH_(3)-CH=CH-CH=CH-CH=CH_(2)`
Last Answer : How much geometrical isomers are possible for the given compound? `CH_(3)-CH=CH-CH=CH-CH=CH_(2)` A. 2 B. 3 C. 4 D. 8
Description : For the given compound `CH_(3)-underset(overset(|)(OH))(CH)-CH=CH-CH_(3).` (i) Total number of stereoisomers. (ii) Number of opticallly active stereoi
Last Answer : For the given compound `CH_(3)-underset(overset(|)(OH))(CH)-CH=CH-CH_(3).` ... number of fractions on fractional distillation of all stereoisomers.
Description : Arrange the carbanions, `(CH_(3))_(3)bar(C),bar(C)Cl_(3),(CH_(3))_(2)bar(C)H,C_(6)H_(5)bar(C)H_(2)`, in order of their decreasing stability
Last Answer : Arrange the carbanions, `(CH_(3))_(3)bar(C),bar(C)Cl_(3),(CH_(3))_(2)bar(C)H,C_(6)H_(5)bar(C)H_(2 ... (2)bar(C)HgtC_(6)H_(5)bar(C)H_(2)gtbar(C)Cl_(3)`
Description : The decreasing order of strength of the bases, `OH^(-), NH_(2)^(-), H-C-=C^(-)` and `CH_(3)-CH_(2)^(-)`:
Last Answer : The decreasing order of strength of the bases, `OH^(-), NH_(2)^(-), H-C-=C^(-)` and `CH_(3)-CH_(2)^(-)`: ... " IV"` D. `"II "gt" III "gt" I "gt" IV"`
Description : Which of the following compounds prossesses the `C-H` bonds with the lowest bond dissociation energy?
Last Answer : Which of the following compounds prossesses the `C-H` bonds with the lowest bond dissociation energy? ... B. n-pentane C. Benzene D. Toluene
Last Answer : Which of the following compounds prossesses the `C-H` bonds with the lowest bond dissociation energy? ... n-Pentane C. Toluene D. 2,2-Dimethylpropane
Description : `Ph-CH=CH-underset(O)underset(C)-H overset((i) CH_(3)CH_(2)MgBr)to overset((ii) H_(3)O^(o+))to(X) overset(Cu,Delta)to(Y)`
Last Answer : `Ph-CH=CH-underset(O)underset(C)-H overset((i) CH_(3)CH_(2)MgBr)to overset((ii) H_(3)O^(o+))to(X) ... -underset(O)underset(||)(C)-CH=CH-CH_(2)-CH_(3)`
Description : Total number of optically active stereoisomers of `CH_(3)-underset(overset(|)(CI))(C)H-CH=CH-underset(overset(|)(CI))(C)H-CH_(3)` are :
Last Answer : Total number of optically active stereoisomers of `CH_(3)-underset(overset(|)(CI))(C)H-CH=CH-underset(overset(|)(CI))(C)H-CH_(3)` are :
Description : Which of the following can distinguish? `CH_(3)-overset(CH_(3))overset(|)(CH)-NH_(2)` and `CH_(3)-overset(H)overset(|)(N)-CH_(3)`
Last Answer : Which of the following can distinguish? `CH_(3)-overset(CH_(3))overset(|)(CH)-NH_(2)` and `CH_(3)-overset(H ... `Cs_(2),HgCI_(2)` D. `Ag_(2)O //Delta`
Description : `CH_(3)-CH_(2)-CH_(2)-underset(OH)underset(|)(CH)-CH_(3) underset(-H_(2)O)overset(H^(o+))rarr[F] overset(Br_(2)//C Cl_(4))rarrC_(5)H_(10)Br_(2)(G)` Ho
Last Answer : `CH_(3)-CH_(2)-CH_(2)-underset(OH)underset(|)(CH)-CH_(3) underset(-H_(2)O)overset(H^(o+))rarr[F] ... (including all stereoisomers) A. 2 B. 6 C. 3 D. 5
Description : In following compound `CH_(3)-CH_(2)-underset(CH_(3))overset(CH_(3))underset|overset(|)(C)-underset(CH_(3))underset(|)(CH)-overset(CH_(3))overset(|)(C
Last Answer : In following compound `CH_(3)-CH_(2)-underset(CH_(3))overset(CH_(3))underset|overset(|)(C)-underset(CH_(3))underset(|)( ... ,5,5 C. 4,5,3,3 D. 5,5,4,3
Description : The number of stereoisomers of compound `CH_(3)-CH=CH-CH(Br)CH_(3)` is :
Last Answer : The number of stereoisomers of compound `CH_(3)-CH=CH-CH(Br)CH_(3)` is : A. 2 B. 3 C. 4 D. 6
Description : The correct statement(s) about the compound `H_(3)C(HO)HC-CH=CH-CH(OH)CH_(3) (X)` is/are
Last Answer : The correct statement(s) about the compound `H_(3)C(HO)HC-CH=CH-CH(OH)CH_(3) (X)` is/are A ... is cis, the number of enantiomers possible for X is 2.
Description : Total number of optical active stereoisomers of the following compound is : `CH_(3)-CH=CH-CHCI-CH=C=CH-CH=CH-CH_(3)`
Last Answer : Total number of optical active stereoisomers of the following compound is : `CH_(3)-CH=CH-CHCI-CH=C=CH-CH=CH-CH_(3)` A. 8 B. 6 C. 16 D. 10
Description : With respect to halogens, four statements are given below: (P) The bond dissociation energies for halogens are in the order: `I_(2) lt F_(2) lt Br_(2)
Last Answer : With respect to halogens, four statements are given below: (P) The bond dissociation energies for halogens are in ... ,III,IV C. II,III,IV D. I,III
Description : (A) : Thermal stability of the hydrides of VIA group elements decreases from `H_(2)O` to `H_(2)Po` (R) : The heats of dissociation of M - H bond of hy
Last Answer : (A) : Thermal stability of the hydrides of VIA group elements decreases from `H_(2)O` to `H_(2)Po` (R) : ... is false D. (A) is false but (R) is true
Description : The correct order in which oxygen - oxygen bond dissociation energy increases is:
Last Answer : The correct order in which oxygen - oxygen bond dissociation energy increases is: A. `H_(2)O_(2)ltO_(2)ltO_(3)` ... 2)` D. `O_(2)ltH_(2)O_(2)ltO_(3)`
Description : Reactivity order of the following alkenes for hydrochlorination (HCl) is (I) `CH_(2) = CH - Cl` (II) `(CH_(3))_(2)C=CH_(2)` (III) `CH_(2) = CH - CHO`
Last Answer : Reactivity order of the following alkenes for hydrochlorination (HCl) is (I) `CH_(2) = CH - Cl` (II) `(CH_(3) ... `II gt I gt III` D. `III gt I gt II`
Description : Arrange the following in correct order of their stability ? `(I) CH-=overset(Theta)C " "(II) CH_(2)=overset(Theta)CH " "(III) CH_(3)-overset(Theta)CH_
Last Answer : Arrange the following in correct order of their stability ? `(I) CH-=overset(Theta)C " "(II) CH_(2)=overset( ... gt III gt I` D. `II gt I gt III`
Description : The order of stability of the following carbocations: `underset("I")(CH_(2)C=CH-overset(o+)CH_(2))" , "underset("II")(CH_(3)-CH_(2)-overset(o+)CH_(2))
Last Answer : The order of stability of the following carbocations: `underset("I")(CH_(2)C=CH-overset(o+)CH_(2))" , "underset ... . II gt III gt I D. I gt II gt III
Description : Arrangements of `(CH_(3))_(3)C-,(CH_(3))_(2)CH-,CH_(3).CH_(2)-` when attached to benzyl or `n` unsaturated group in increasing order of inductive effe
Last Answer : Arrangements of `(CH_(3))_(3)C-,(CH_(3))_(2)CH-,CH_(3).CH_(2)-` when attached to benzyl or `n` unsaturated ... C- lt CH_(3)CH_(2)- lt(CH_(3))_(2)CH-`
Description : The stability order in the following carbocations, `CH_(3)CH_(2)^(+)"(I), "(CH_(3))_(2)overset(+)CH"(II), "(CH_(3))_(3)C^(+)"(III) "overset(+)CH_(3)"(
Last Answer : The stability order in the following carbocations, `CH_(3)CH_(2)^(+)"(I), "(CH_(3))_( ... B. `IgtIIgtIIIgtIV` C. `IIIgtIVgtIgtII` D. `IIIgtIIgtIgtIV`
Description : Consider the given compounds : (a) `CH_(3)-CH_(2)-NH_(2)` (b) `CH_(3)-CH=NH` (c ) `CH_(3)-C=N` (d) `C_(2)H_(5)-NH-C_(2)H_(5)` Arrange basicity of thes
Last Answer : Consider the given compounds : (a) `CH_(3)-CH_(2)-NH_(2)` (b) `CH_(3)-CH=NH` (c ) `CH_(3)-C=N` (d) `C_(2 ... `a gt d gt b gt c` D. `d gt a gt c gt b`
Description : An organic compound (A) has a molecular weight 78 and an empirical formula CH. (A) is resistant to attack by oxidizing agents but undergoes substitution and addition reactions. X-ray analysis shows that the ... suggests that compound (A) is (a) Benzene (b) Cyclohexane (c) Toluene (d) n-Hexane
Last Answer : Benzene
Description : Compound in which carbons use only sp3 hybrid orbitals for bond formation is (a) CH3CH2CH3 (b) CH3C≡CH (c) CH3CH=CH2 (d) CH2=CH—CH=CH2
Last Answer : CH3CH2CH3
Description : Arrange the following acid in decreasing order of their acidic strength : (I) `CH_(3)-OH` (II) `CH_(3)CH_(2)-OH` (III) `CH_(3)-underset(CH_(3))underse
Last Answer : Arrange the following acid in decreasing order of their acidic strength : (I) `CH_(3)-OH` (II) `CH_(3)CH_(2)- ... II gt IV` D. `II gt IV gt III gt I`
Description : Arrange the following in decreasing order of their stability :- `(I) CH_(3)-overset(oplus)(CH_(2)) " "(II) CH_(3)-underset(CH_(3))underset(|)overset(o
Last Answer : Arrange the following in decreasing order of their stability :- `(I) CH_(3)-overset(oplus)(CH_(2)) " "(II) CH_( ... II gt I` D. `III gt II gt I gt IV`
Description : Arrange `CFC, CH_(4), N_(2)O, and CO_(2)` in decreasing order according to their contribution in greenhouse effect:
Last Answer : Arrange `CFC, CH_(4), N_(2)O, and CO_(2)` in decreasing order according to their contribution in greenhouse ... (2)` D. `CO_(2)gtCH_(4)gtCFCgtN_(2)O`
Description : `CH_(3)Br+Nu^(-)rarrCH_(3)Nu+Br^(-)` The decreasing order of the rate of the above reaction with nucleophiles `(Nu^(-))` A to D is : `[Nu^(-)=(A)PhO^(
Last Answer : `CH_(3)Br+Nu^(-)rarrCH_(3)Nu+Br^(-)` The decreasing order of the rate of the above reaction with nucleophiles `(Nu ... B gt C gt D D. B gt D gt C gt A
Description : Which is decreasing order of acidity in, `HCOOH(I), CH_(3)COOH(II), CH_(3)CH_(2)COOH(III) and C_(6)H_(5)COOH(IV)`?
Last Answer : Which is decreasing order of acidity in, `HCOOH(I), CH_(3)COOH(II), CH_(3)CH_(2)COOH( ... B. `IVgtIIIgtIIgtI` C. `IVgtIgtIIgtIII` D. `IgtIVgtIIgtIII`
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`
Description : The correct order of decreasing basicity of the following species is: `H_(2)O, OH^(-), CH_(3)OH, CH_(3)O`
Last Answer : The correct order of decreasing basicity of the following species is: `H_(2)O, OH^(-), CH_(3)OH, CH_(3)O` A. ... CH_(3)O^(-) gt CH_(3)OH gt H_(2)O`
Description : Tartaric acid `[HO_(2)CCH(OH)CH(OH)CO_(2)H]` was an important compound in history of stereochemistry. Two naturally occuring forms of tartaric acid ar
Last Answer : Tartaric acid `[HO_(2)CCH(OH)CH(OH)CO_(2)H]` was an important compound in history ... . D. Optically inactive due to intramoleuclar hydrogen bonding.
Last Answer : Tartaric acid `[HO_(2)CCH(OH)CH(OH)CO_(2)H]` was an important compound in history of stereochemistry. Two ... form Q is A. B. C. D. none of these
Description : Assertion :- Bond Dissociation energy is `F_(2) gt Cl_(2)` Reason:- `Cl_(2)` have more electronic repulsion than `F_(2)`.
Last Answer : Assertion :- Bond Dissociation energy is `F_(2) gt Cl_(2)` Reason:- `Cl_(2)` have more ... is False. D. If both Assertion & Reason are false
Description : The X - X bond dissociation energy is minimum in:
Last Answer : The X - X bond dissociation energy is minimum in: A. (A) `F_2` B. (B) `Cl_2` C. (C) `Br_2` D. (D)`l_2`
Description : Ionisation energy of nitrogen is greater than that of oxygen because nitrogen has – (1) high bond dissociation energy (2) smaller atomic radius (3) stable half filled 2p sub level (4) high nuclear charge
Last Answer : (3) stable half filled 2p sub level Explanation: Ionization energy is a measure of the ease in which atoms lose electrons and become positive ions.