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24101.

The reaction of CH_3OCH_2CH_3 with hot excess HI gives

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`CH_3OH + CH_3CH_2I`
`CH_3I + CH_3CH_2OH`
`CH_3OH+ CH_3CH_2OH`
`CH_3I + CH_3CH_2I`

ANSWER :D
24102.

The reaction of CHCl_(3) and alcohol KOH with p-toluidine gives

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SOLUTION :This is an example of CARBYLAMINE REACTION. The reaction sequence is an follows.
24103.

The reaction of CH_(3)OC_(2)H_(5) with HI gives

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`C_(2)H_(5)I+CH_(3)OH`
`CH_(2)H_(5)OH`
`CH_(3)I+C_(2)H_(5)OH`
`CH_(3)I`

Answer :C
24104.

The reaction of CH_3OC_2H_5 with HI gives:

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`CH_3I` only
`C_2H_5OH` only
`CH_3I+C_2H_5OH`
`C_2H_5I+CH_3OH`

ANSWER :C
24105.

The reaction of (CH_(3))_(3)CMgCl with (CH_(3))_(3)C-CO-C(CH_(3))_(3) after hydrolysis gives

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`(CH_(3))_(2)CCH=CH_(2)`
`(CH_(3))_(3)CH(OH)C(CH_(3))_(3)`
`[(CH_(3))_(3)C]COH`
all of the above

ANSWER :A::B
24106.

The reaction of CH_3CH_2Br and (CH_3)_3CONa to form ether is called

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WILLIAMSON reaction
Wurtz reaction
Cannizzaros reaction
Hoffmans reaction

Solution :`CH_3CH_2Br + (CH_3)_3CONa OVERSETDELTATO CH_3CH_2OC(CH_3)_3+NaBr`
24107.

The reaction of (CH_(3))_(3)CONa with ……. reagent is the most easy ?

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`(CH_(3))_(2)CHBr`
`CH_(2)CH_(2)Br`
`(CH_(3))_(3)CBr`
`C_(6)H_(5)Br`

Solution :It gives `S_(N)2` REACTION EASILY.
24108.

Thereactionof CH_(3) CN to CH_(3)CH_(2)NH_(2) is called

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Mendius REDUCTION
Rosenmundreduction
Hoffmanreuction
Clemmenson reduction

ANSWER :A
24109.

The reaction of CH_2=CHCHO with LiAlH_4 gives

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`CH_3CH_2CH_2OH`
`CH_2=CHCH_2OH`
`CH_3CH_2CH_3`
`CH_3CHOHCH_3`

ANSWER :B
24110.

The reaction of calcium cyanamide with water yields

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`CA(OH)_(2) and N_(2)`
`CaC_(2) and N_(2)H_(4)`
`Ca(HCO_(3))_(2) and NH_(3)`
`CaCO_(3) and NH_(4)OH`

Answer :D
24111.

The reaction of C_(6)H_(5)N_(2)^(+)Cl^(-) with CuCl gives

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`C_(6)H_(5)CL`
`C_(6)H_(6)`
`C_(6)H_(5)-C_(6)H_(5)`
`C_(6)H_(4)Cl_(2)`

ANSWER :A
24112.

The reaction of C_(6)H_(5)CH=CHCHO with LiAlH_(4) gives

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`C_(6)H_(5)CH_(2)CH_(2)CH_(2)OH`
`C_(6)H_(5)CH_(2)CH_(2)CHO`
`C_(6)H_(5)CH=CHCH_(2)OH`
`C_(6)H_(5)CH_(2)CHOHCH_(3)`

ANSWER :A::B::C
24113.

The reaction of C_(6)H_(5)CH=CHCH_(3) with HBr produces

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`C_(6)H_(5)CH_(2)CH_(2)CH_(2)Br`

`C_(6)H_(5)underset(Br)underset(|)(C)HCH_(2)CH_(3)`
`C_(6)H_(5)CH_(2)underset(Br)underset(|)(C)HCH_(3)`.

SOLUTION :The REACTION proceeds by the formation of a more stable corbocation involved in conjugation with the RING.
.
24114.

The reaction of C_6H_5CH=CHCH_3 with HBr produce

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`C_6H_5CH_2undersetunderset"BR"|CHCH_3`
`C_5H_5CH_2CH_2CH_2Br`

`C_6H_5undersetunderset"Br"|CHCH_2CH_3`

SOLUTION :
24115.

The reaction of C_(2)H_(5)OH with H_(2)SO_(4) does not give

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Ethylene
Diethyl ether
Acetylene
Ethyl HYDROGEN SULPHATE

SOLUTION :
24116.

The reaction of C_2H_5OH with Conc. H_2SO_4 does not give …………………. .

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ETHYLENE
DIETHYLETHER
ACETYLENE
Ethy hydrogaen SULPHATE

SOLUTION :Acetylene
24117.

The reaction of BrO_(3)^(-) and F_2 in alkaline medium forms

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`Br^(-)`
`Br_(2)`
`OBR^(-)`
`BrO_(4)^(-)`

Solution :`BrO_(3)^(-)+F_(2)+2OH^(-) to BrO_(4)^(-)+2F^(-)+H_(2)O`
24118.

The reaction of Benzenediazonium chloride with aniline yields yellow dye. The name of the yellow dye is

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<P>p-hydroxyazobenzene
p - AMINOAZOBENZENE
p- nitroazobenzene
o - nitroazobenezene

Solution :
24119.

The reaction of benzene with chlorine in the presence of iron gives

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BENZENE hexachloride
Chlorobenzene
Benzyl CHLORIDE
BENZOYL chloride

Solution :
24120.

The reaction of benzaldehyde with 50% NaOH is called ..........

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BENZOIN condensation
Claisen-schmidt REACTION
Perkin's reaction
CANNIZARO reaction

SOLUTION : Cannizaro reaction
24121.

Thereactionof aquesous KMnO_(4)with H_(2)O_(2) in acidicconditiongives

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`MN^(4+)` and `MnO_(2)`
`Mn^(4+)` and `O_(2)`
`Mn^(2+)` and `O_(2)`
`Mn^(2+)` and `O_(3)`

Answer :C
24122.

The reaction of aqueous KMnO_(4) with H_(2)O_(2) i acidic conditions gives :

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`Mn^(4+) and MnO_(2)`
`Mn^(2+) and O_(2)`
`Mn^(4+) and O_(2)`
`Mn^(2+) and O_(3)`

ANSWER :B
24123.

The reaction of aniline with chloroform under alkaline conditoins leads to the formation of

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PHENYL CYANIDE
phenyl isonitrile
phenyl cyanate
phenyl isocyanate

Answer :B
24124.

The reaction of an organic compound with ammonia followed by nitration of the product gives a powerful explosive, called RDX. The organic compound is

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phenol
toluene
glycerine
formaldehyde

Solution :
24125.

The reaction of aniline with sodium nitrite and HCl at 293K to form benzenediazonium chloride is called______

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SOLUTION :DIAZOTIZATION.
24126.

The reaction of an electrophile with a nucleophile is the same as the reaction of a Lewis acid with a Lewis base and is termed as Lewis acid-base combination reaction. Each atom in the product completes its octet ( except hydrogen which attains complete duplet) as a consequence of this combination. Which is not correct increasing order of the property indicated ?

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`CH_(3)OHltCH_(3)CO_(2)^(-)ltCH_(3)overset(Θ)` (BASE STRENGTH and nucleophilic strength)
`F^(Θ)ltCl^(Θ)ltBr^(Θ)LTI^(Θ)` (base strength and nucelophilic strength)


(dipole moment)

ANSWER :D
24127.

The reaction of an organic compound with ammonia followed by nitration of the product gives a powerfulexplosive called RDX. The organic compound is

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PHENOL
toluene
glyecrine
fomaldehyde.

SOLUTION :TRINITROTOLUENE (TNT) with AMMONIUM nitrate is extensively employed as BLASTING explosive .
24128.

The reaction of an ester RCOOR' with an alcohol R'OH in the presence of an acid gives

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ROOCH
R'COOH
R"COOR
RCOOR"

SOLUTION :`R-COOR'+R"OH HARR overset(H^(o+))hArrRCOOR"+R'OH`
The exchange of alcohol RESIDUE KNOWN as alcoholysis or trans ESTERIFICATION.
24129.

The reaction of an electrophile with a nucleophile is the same as the reaction of a Lewis acid with a Lewis base and is termed as Lewis acid-base combination reaction. Each atom in the product completes its octet ( except hydrogen which attains complete duplet) as a consequence of this combination. In which case additional reagent is needed to generate an electrophile ?

Answer»




In all CASES.

ANSWER :C
24130.

The reaction of an electrophile with a nucleophile is the same as the reaction of a Lewis acid with a Lewis base and is termed as Lewis acid-base combination reaction. Each atom in the product completes its octet ( except hydrogen which attains complete duplet) as a consequence of this combination. Consider following reaction between an electrophile and a nucleophile Incorrect statement (s) is/are H_(3)C-overset(CH_(3))overset(|)underset(CH_(3))underset(|)(C^(oplus))+H_(2)overset(cdotcdot)O:rarrH_(3)C-overset(CH_(3))overset(|)underset(CH_(3))underset(|)C-OH+H^(oplus)

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It is a Lewis acid base combination REACTION
It is a Lowry-Bronsted acid base reaction
Driving force that makes `DeltaG` NEGATIVE is the COMPLETION of the octet of C and O atoms in the product.
It is an clectrophile and B is a nucleophile.

Answer :B
24131.

The reaction of an aromatic halogen compound with an alkyl halides in presence of sodium and ether is called

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Wurtz reaction
Sandmeyer's reaction
Wurtz-fittig reaction
Kolbe reaction

Solution :It is Wurtz Fittig reaction
`C_(6)H_(5)Br+CH_(3)Br UNDERSET("ether")overset(Na)toC_(6)H_(5)CH_(3)+2NaBr`
24132.

The reaction of an aromatic halogen compound and an alkyl halide in the presence of sodium and dry ether is known as :

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Ulmann REACTION
SANDMEYER reaction
FITTING reaction
Wurtz-Fittig reaction

Answer :D
24133.

The reactionof an alkylhalidewithRCOOAgproduces

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ESTER
ETHER
ALDEHYDE
KETONE

ANSWER :A
24134.

The reaction of amines with NaNO_(2)+HCl depends on the type of the amine and whether it is aliphatic or aromatic. The diazo group developed in aliphatic primary amines is rather highly unstable and decompose to produce mainly alcohols. Secondary amines react to give yellow oily liquids. overset(NaNO_(2)+HCl)to product structure is likely to be

Answer»




All the above

Solution :FORMATION of DIAZONIUM SALT MECHANISM
24135.

The reaction of amines with NaNO_(2)+HCl depends on the type of the amine and whether it is aliphatic or aromatic. The diazo group developed in aliphatic primary amines is rather highly unstable and decompose to produce mainly alcohols. Secondary amines react to give yellow oily liquids. Which of the following amines give yellow oily liquid nitroso compounds on reaction with NaNO_(2)+HCI.

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`CH_(3)CH_(2)NHCH_(3)`


Both a & b

Solution :`2^(@)` amines gives yellow-oily liquid
24136.

The reaction of amines with NaNO_(2)+HCl depends on the type of the amine and whether it is aliphatic or aromatic. The diazo group developed in aliphatic primary amines is rather highly unstable and decompose to produce mainly alcohols. Secondary amines react to give yellow oily liquids. The possible alcohols produced ore with NaNO_(2)HCl is / are

Answer»




SOLUTION :
24137.

The reaction of amines with benzoyl chloride is called benzoylation.

Answer»


ANSWER :1
24138.

The reaction of alkali alcoholate and monohalo alkane is called as,

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WURTZ reaction
Cannizzaros reaction
Williamsons SYNTHESIS
ALDOL condensation

Answer :C
24139.

The reaction of alkanes with halogen is explosive in the case of:

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`F_2`
`Cl_2`
`I_2`
`Br_2`

ANSWER :C
24140.

The reaction of acetyl chloride with diethylcadmium followed by hydrolysis gives___.

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SOLUTION :2-butanone.
24141.

The reaction of acetophenone with Br_(2) in presence of anhydrous AlCl_(3) gives______but with Br_(2) in presence of ether at 273K gives________.

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Solution :m-bromoacetophenone,phenacyl bromide `C_(6)H_(5)COCH_(2)Br`.
24142.

The reaction of acetone with PCI_(5) gives

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`CH_(3)COCH_(2)CI`
`CH_(3)COCHCI_(2)`

`CICH_(2)COCH_(2)CI`

Solution :
24143.

The reaction of acetic acid with Cl_2and red phosphorous is named as ................

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KOLBE's REACTION
Reimer-Tiemann reaction
Hell-volhard-zelinsky reaction
Knoevenagal reaction

Solution :Hell-volhard-zelinsky reaction
24144.

The reaction of acetone and ammonia in presence of sodium cyanoborohydride gives_____

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SOLUTION :ISOPROPYLAMINE (propan-2-amine).
24145.

The reaction of acetamide withwater is an example of :

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Alcoholysis
Hydrolysis
Ammonolysis
Saponification

Answer :B
24146.

The reaction of acetaldehyde with tollen's reagent gives :

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METHYL alcohol
SILVER ACETATE
Silver mirror
Formaldehyde

ANSWER :C
24147.

The reaction of acetaldehyde with HCN followed by hydrolysis gives a product which exhibits?

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METAMERISM
Tautomerism
ENANTIOMERISM
Geometrical isomerism

ANSWER :C
24148.

The reaction of acetaldehyde with HCN followed by acid hydrolysis gives_____.

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SOLUTION :LACTIC ACID or `ALPHA`-hydroxypropionic acid.
24149.

The reaction of a carboxylic acid gives effervescence of CO_2 with NaHCO_3. The CO_2is from:

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R-COOH
`NaHCO_3`
From both
NONE

ANSWER :B
24150.

The reaction of 4-bromobenzyl chloride with NaCN in ethanol leads to :

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4-Bromobenzyl cyanide
4-Cyanobenzyl chloride
4-Cyanobenzyl cyanide
4-Bromo-2-cyanobenzyl chloride

Answer :A