Description : Arrange the following compounds in decreasing orders of rate of hydration. `(X) C Cl_(3)CHO " " (Y) CH_(3)CHO " " (Z)CH_(3)COCH_(3) " " (W) CF_(3)CHO`
Last Answer : Arrange the following compounds in decreasing orders of rate of hydration. `(X) C Cl_(3)CHO ... . WgtZgtXgtY B. WgtXgtYgtZ C. WgtYgtZgtX D. WgtZgtYgtX
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 : Which is the decreasing oreder of acidity in the following compounds? `{:(CH_(3)CH_(2)OH"(I) "CF_(3)CH_(2)OH"(II)"),("CCl"_(3)-CH_(2)OH"(III) "(NO_(2)
Last Answer : Which is the decreasing oreder of acidity in the following compounds? `{:(CH_(3)CH_(2)OH ... `IIgtIgtIIIgtIV` C. `IVgtIIgtIgtIII` D. `IVgtIIgtIIIgtI`
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 : 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 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`
Description : `CH_(3)COOH overset((i) PCl_(3)+Cl_(2) ("excess"))underset((ii) O_(2))to (X) overset(SOCl_2) to (Y) overset(H_(2)//Pd//BaSO_(4))to(Z) overset(OH^(-))t
Last Answer : `CH_(3)COOH overset((i) PCl_(3)+Cl_(2) ("excess"))underset((ii) O_(2))to (X) overset(SOCl_2) to (Y) ... W+S ` Write the structure of X,Y,Z , W and S
Description : Arrange the first group elements in the decreasing order of Hydration Enthalpy
Last Answer : The hydration enthalpies of alkali metal ions decrease with increase in ionic sizes. Li+ > Na+ > K+ > Rb+ > Cs+
Description : Arrange the following compounds in decreasing order of nucleophilic addition with semicarbazide `NH_(2)NHCONH_(2)` i.e., `ddot(N)H_(2)-ddot(Z)`
Last Answer : Arrange the following compounds in decreasing order of nucleophilic addition with semicarbazide `NH_(2)NHCONH_(2)` i.e., `ddot(N)H_(2)-ddot(Z)`
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 : 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 : `CH_(2)OHCH_(2)CH_(2)COCH_(3)overset("Reagent")rarr` `CH_(2)OHCH_(2)CH_(2)CH_(2)CH_(3)` Suitable reagent for above reaction is :-
Last Answer : `CH_(2)OHCH_(2)CH_(2)COCH_(3)overset("Reagent")rarr` `CH_(2)OHCH_(2)CH_(2)CH_(2)CH_(3)` Suitable reagent for ... /C_(2)H_(5)ONa` C. Red P + HI D. All
Description : What is the major product obtained from the following reactions ? `CH_(3)COCH_(2)COOH overset("heat")to` product
Last Answer : What is the major product obtained from the following reactions ? `CH_(3)COCH_(2)COOH overset("heat")to` ... -overset(OH)overset(|)(C)=CH_(2)` D.
Description : Nucleophilic part of the reagent attacks the substrate `CH_(3)CH_(2)COCH_(3)` on the :
Last Answer : Nucleophilic part of the reagent attacks the substrate `CH_(3)CH_(2)COCH_(3)` on the : A. carbon atom ... group C. methyl group D. `CH_(2)` group
Description : `(CH_(3))_(3)COCH_(3)overset(+HI)rarr(CH_(3))_(3)CI+CH_(3)OH` follows which mechanism ?
Last Answer : `(CH_(3))_(3)COCH_(3)overset(+HI)rarr(CH_(3))_(3)CI+CH_(3)OH` follows which mechanism ? A. `S_(N)1` B. `S_(N)2` C. `E_(1)` D. `E_(2)`
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 : 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 : A cobalt chloride solution soaked into a piece of cotton can be used as an indicator for changes in humidity levels. Pink indicates a high-humidity environment and blue a low-humidity environment. What ... the cobalt's waters of hydration. z) This is an illustration of the Schrodinger principle.
Last Answer : ANSWER: Y -- THE LOSS AND READSORPTION OF THE COBALT'S WATERS OF HYDRATION.
Description : The compound which produce propane on heating with HI in presence of red P is `(a) CH_(3)CH_(2)CH_(2)I " "(b) CH_(3)CH_(2)CHO` `(c) CH_(3)CH_(2)CH_(2)
Last Answer : The compound which produce propane on heating with HI in presence of red P is `(a) CH_(3)CH_(2)CH_(2)I " "(b) ... Only c B. b, c C. b, c, d D. All
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 : `CH_(3)CH_(2)CH(CHO)CH_(2)CH_(3) and CH_(3)CH(CHO) CH_(2)CH_(2)CH_(3)` are :-
Last Answer : `CH_(3)CH_(2)CH(CHO)CH_(2)CH_(3) and CH_(3)CH(CHO) CH_(2)CH_(2)CH_(3)` are :- A. Chain isomer B. Position isomer C. Metamerism D. Functional isomer
Description : On vigorous oxidation by permangnate solution `(CH_(3))_(2)=CHCH_(2)CHO` gives
Last Answer : On vigorous oxidation by permangnate solution `(CH_(3))_(2)=CHCH_(2)CHO` gives A. `(CH_(3))_(2)CO` and `OHC ... CH_(3))_(2)CO` and `CH_(2)(COOH)_(2)`
Description : In the given reaction `{:(" "CH_(3)),(" |"),(H_(3)C-C-C-CHO),(" | ||"),(" "H_(3)C " "O):} overset("(i)Conc. NaOH")underset((ii)H^(+)) to` product is
Last Answer : In the given reaction `{:(" "CH_(3)),(" |"),(H_(3)C-C-C-CHO),(" | ||"),(" "H_(3)C " "O):} overset("(i) ... )C-C-C-CH_2),(" | ||"),(" "H_(3)C " "OH):}`
Description : In the reaction , `(CH_(3))_(3)C CHO +HCHO overset(NaOH)underset("heat")toA+B` the products (A) and (B) are respectively
Last Answer : In the reaction , `(CH_(3))_(3)C CHO +HCHO overset(NaOH)underset("heat")toA+B` the products (A) and (B) ... (CH_(3))_(3)COONa` and `HCOO^(-) Na^(+)`
Description : Arrange the following in increasing order as directed. `(a) (i) [CoCl_(3)(NH_(3))_(3)]," "(ii)[CoCl(NH_(3))_(5)]Cl_(2)," "(iii)[Co(NH_(3))_(6)]Cl_(3),
Last Answer : Arrange the following in increasing order as directed. `(a) (i) [CoCl_(3)(NH_(3))_(3)]," "(ii)[CoCl(NH_ ... -),NH^(3),NO^(3)^(-)`-strength of ligands.
Description : End product of the following reaction is `CH_(3)CH_(2)COOH overset(Cl_(2))underset(red P)to overset("alcoholic KOH")to`
Last Answer : End product of the following reaction is `CH_(3)CH_(2)COOH overset(Cl_(2))underset(red P)to overset(" ... |)(C)H_(2)underset(OH)underset(|)(C)HCOOH`
Description : The possible number of geometrical isomers for the complex `[CoL_(2) Cl_(2)]^(-) (L = H_(2)NCH_(2) CH_(2)O^(-))` is (are)....
Last Answer : The possible number of geometrical isomers for the complex `[CoL_(2) Cl_(2)]^(-) (L = H_(2)NCH_(2) CH_(2)O^(-))` is (are)....
Description : Among the complex ions, `[Co(NH_(2) - CH_(2) - CH_(2) - NH_(2))_(2) Cl_(2)]^(+), [CrCl_(2) (C_(2)O_(4))_(2)]^(3-)` `[Fe(H_(2)O)_(4) (OH)_(2)]^(+), [Fe
Last Answer : Among the complex ions, `[Co(NH_(2) - CH_(2) - CH_(2) - NH_(2))_(2) Cl_(2)]^(+), [CrCl_(2) ... (3)) Cl]^(2+)` and that show(s) cis-trans isomerism is
Description : Which of the following structures correspond to the product expected, when excess of `C_(6)H_(6)` reacts with `CH_(2)Cl_(2)` in presence of anhydrous
Last Answer : Which of the following structures correspond to the product expected, when excess of `C_(6)H_(6)` reacts with ` ... anhydrous `AlCl_(3)`? A. B. C. D.
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 : Arrange the following in decreasing order of rate of nitration :-
Last Answer : Arrange the following in decreasing order of rate of nitration :- A. `b gt a = c gt d` B. `d gt a = c gt b` ... gt a gt c gt d` D. `a gt c gt d gt b`
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 : If the resultant force acting on a body of constant mass is zero, the body's acceleration is: w) increasing x) decreasing y) always zero z) negative.
Last Answer : ANSWER: Y -- ALWAYS ZERO
Description : Ice skating is possible and practical because of a unique property of water. Is it because: w) The coefficient of kinetic friction of steel on frozen water decreases with decreasing temperature x ... sublimes y) The melting point decreases with increasing pressure z) Ice is a good thermal insulator
Last Answer : ANSWER: Y -- THE MELTING POINT DECREASES WITH INCREASING PRESSURE
Description : A capacitor and a coil are connected in series. The capacitor is charged and allowed to discharge through the coil. The current that will then flow through the capacitor-coil combination will do ... but diminish steadily to zero z) oscillate at high frequency at first but then at slower frequency
Last Answer : ANSWER: Y -- OSCILLATE BUT DIMINISH STEADILY TO ZERO
Description : A constant potential difference is applied across the plates of a parallel-plate capacitor. Neglecting any edge effects, the electric field inside the capacitor is: w) constant x) varying as one over r squared y) decreasing as one moves from the positive to the negative plate z) zero
Last Answer : ANSWER: W -- CONSTANT
Description : If the resultant force acting on a body of constant mass is zero, the body's momentum is: w) increasing x) decreasing y) always zero z) constant
Last Answer : ANSWER: Z -- CONSTANT
Description : Compounds containing – CHO group as functional group are called
Last Answer : Aldehydes.
Description : `n(CF_(2)=CF_(2))overset((NH_(4))_(2)S_(2)O_(8))underset(Heat)toX` Here , X is:
Last Answer : `n(CF_(2)=CF_(2))overset((NH_(4))_(2)S_(2)O_(8))underset(Heat)toX` Here , X is: A. PVC B. PMMA C. PAN D. none of these
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 : Arrange the following resonating structures in order of increasing stability `underset((I))(CH_(2)=overset(+)(N)=overset(-)(N))" "underset((II))(H_(2)
Last Answer : Arrange the following resonating structures in order of increasing stability `underset((I))(CH_(2)=overset(+)(N)= ... gt IV D. III gt I gt IV gt II
Description : Arrange the following carbocations in order of increasing stability : `{:(underset("(I)")((CH_(3))_(3)Coverset(+)CH_(2))", "underset("(II)")((CH_(3))_
Last Answer : Arrange the following carbocations in order of increasing stability : `{:(underset("(I)")((CH_ ... ` C. `IltIIIltIVltII` D. `IIltIVltIII ltI`
Description : A characteristic of the noble gases is that they all: w) have eight electrons in the outer shell x) have low stability y) form many compounds z) have filled outer electron shells
Last Answer : ANSWER: Z -- HAVE FILLED OUTER ELECTRON SHELLS