94420 + Interview Questions in Chemistry in Class 12 Page 505 InterviewSolution

25201.	The products expected to be formed in the wurtz reaction of a mixture of neopentyl bromide and isobutyl bromide are (i). 2,2,4-trimethylpentane (ii). 2,2,5,5-tetramethylhexane. (iii). 2,2,4,4-tetramethylhexane (iv). 2,5-dimethylhexane (v). 2,2,5-trimethylhexane.
Answer» (II),(III) and (iv) (ii),(iv) and (v) (i),(iv) and (v) (i),(iii) and (v) Solution :Since TWO DIFFERENT alkyl halides are INVOLVED in the reaction, a mixture of three isomeric products is formed in this case. .

Discussion

25202.	The products expected from the reaction {:(CHO),("\|"),(CH_(2)),("\|"),(CHOH),("\|"),(CHOH),("\|"),(CH_(2)OH):} overset(HIO_(4))underset("excess")to
Answer» `H-overset(O)overset(\|\|)(C)-CH_(2)-CHO +HCOOH+HCHO` HOOC-CHOH-CHOH-COOH+HCOOH `HOOC-CH_(2)CH_(2)COOH+HCOOH+HCHO` `HOOC-COOH+HCOOH+HCHO` Solution : (B),(c),(d) are not possible as EXPLAINED above.

Discussion

25203.	The products 'C' in the following reaction is RCO OH overset(NH_(2))to(A) overset("heat")to(B) overset(P_(2)O_(5).heat)to(C)
Answer» `RNH_(2)` `RCN` RNC `RCONH_(2)` Solution :`RCO Ohoverset(NH_(3))to RCO ONH_(4)overset(HEAT)underset(-H_(2)O)to RCONH_(2)overset(P_(2)O_(5))underset(-H_(2)O)toRCN`

Discussion

25204.	The products (A), (B), and (C ) are:
Answer» a. b. c. d. Solution :a. i. `LAH//EtOH` reduces both `(RCOCL)` and ester (here cyclic ester) to alcohols (ii) Lindlar's catalyst (`H_(2)` + POISONED Pd) reduces only `(RCOCl)` to aldehydes not esters (iii) `DIBAL-H` reduces ester to aldehyde and ALCOHOL not `(RCOCl)` GROUP.

Discussion

25205.	The products (A) and (B), respectively, are:
Answer» a. b. c. d. Solution :`(A) implies HI+P` REDUCES EPOXIDES to alkanes. `(B) implies LAH` reduces expoxides to two DIFFERENT alcohols by CLEAVING the group from either SIDE.

Discussion

25206.	the products are:
Answer» d Answer :D

Discussion

25207.	The products A and B of the below reaction sequence are H-C=C -CH_(2)-overset(O)overset(\|\|)C-Ch_(3) overset(HgSO_(4))underset(Dil. H_(2)SO_(4))to A overset("EtONa)underset(EtOH)toB
Answer» SOLUTION :

Discussion

25208.	The products A and B of the following reaction are two isomeric alkenes. Identify A and B
Answer» SOLUTION :

Discussion

25209.	The products 'A' and 'B' of the below reaction sequence are H-C-=C-CH_(2)-CH_(2)-overset(O)overset(\|\|)(C)-CH_(3)underset(dil.H_(2)SO_(4))overset(HgSO_(4))rarr A underset(EtOH)overset(EtONa)rarr B
Answer» ANSWER :B

Discussion

25210.	The production potential of hydrogen half-cell will be negative if:
Answer» `pH_(2) = 2 atm` and `[H^(+)] = 2.0 M` `pH_(2) = 1 atm` and `[H^(+)] = 2.0 M` `pH_(2) = 1 atm` and `[H^(+)] = 1.0 M` `pH_(2) = 2atm` and `[H^(+)] = 1.0 M` Solution :`E = E_(H^(+)//H_(2))^(@) - (0.059)/(n) LOG.(pH_(2))/([H^(+)]^(2))` `= 0-(0.059)/(2) log.(pH_(2))/([H^(+)]^(2)) = - (0.059)/(2) log.(2)/(1^(2)) = -ve`

Discussion

25211.	The production of an optically active compound from a symmetric molecule without resolution is termed
Answer» WALDEN inversion Partial racemisation Asymmetric synthesis Partial resolution Solution :It is DEFINITION of asymmetric synthesis

Discussion

25212.	The production of an optically active compound from a symmetric molecule without resolution is called :
Answer» WALDEN inversion Asymmetric synthesis Partial racemisation None of these Answer :B

Discussion

25213.	The product Z of the following series of reactions is :
Answer» `CH_3CH_2-OVERSET(CH_3)overset(\|)underset(H)underset(\|)C-CH_2OCH_3` `CH_3CH_2-overset(CH_3)overset(\|)underset(OCH_(3))underset(\|)C-CH_3` `CH_3CH_2-overset(CH_3)overset(\|)C-overset(OCH_(3))overset(\|)CH_3` `CH_3CH_2-overset(CH_3)overset(\|)C-overset(OCH_(3))overset(\|)CH_3` SOLUTION :

Discussion

25214.	The product Z in the following series of reaction is : CH_3CH_2 -overset(CH_3)overset(\|)C=CH_2 underset((ii)NaBH_4)overset((i)Hg(OAc)_2)toY underset((ii)CH_3Br)overset((i)Na)to Z
Answer» `CH_3 CH_2 - UNDERSET(OCH_3)underset(\|)OVERSET(CH_3)overset(\|)C-CH_3` `CH_3 CH_2 - underset(CH_3)underset(\|)CHCH_2OCH_3` `CH_3 - underset(CH_3)underset(\|)CH - underset(OCH_3)underset(\|)(CH)-CH_3` `CH_3 - underset(CH_3)underset(\|)overset(CH_3)overset(\|)C -underset(OCH_3)underset(\|)CH-CH_3` ANSWER :A

Discussion

25215.	The product (z) in the following sequence of reaction is C_(6)H_(6)+CH_(2)=CHCH_(2)Cl overset(AlCl_(3))to (X) underset((ii)" "H_(2)O_(2),OH)overset((i)" "BH_(3)//THF)to (j) underset(heat)overset(HF)to C_(9)H_(10)(z)
Answer» NONEOF the above Answer :B

Discussion

25216.	The product (Z) is ……..
Answer» TOLUENE ETHYL benzene Styrene Nitrobenzene ANSWER :B

Discussion

25217.	The product ("X") of thefollowing sequences of reactions is
Answer» ANSWER :D

Discussion

25218.	The product X on oxidation with HIO_4 gives :
Answer» HCHO `CH_3-CHO` `CO_2` HCOOH Solution :

Discussion

25219.	The product X in the following reaction is (CH_(3)CO)_(2)O+C_(2)H_(5)OH to CH_(3)COOH+X
Answer» `C_(2)H_(5)COOH` `CH_(3)COOCH_(3)` `CH_(3)COOC_(2)H_(5)` `CH_(3)COCH_(3)` Solution :This is the characteristic reaction of ACID derivatives.

Discussion

25220.	The product X is
Answer» Solution :Phenolic group is more ACIDIC than alcoholic group, thus phenoxide formed LEADS to WILLIAMSON SYNTHESIS. The second step is the Williamson synthesis

Discussion

25221.	The product x in the following equation : 2KMnO_(4) to K_(2)MnO_(4) +MnO_(2) +x, is :
Answer» `Mn_(3)O_(4)` `O_(2)` MNO All Solution :`2KMnO_(4) to K_(2)MnO_(4)+MnO_(2)+O_(2)`

Discussion

25222.	The product which is obtained in least amount the direct nitration of aniline is
Answer» both (2) and (3) ANSWER :A

Discussion

25223.	The product which is not obtained when ethylene reacts with KI mixed with Br_2//H_2O is -
Answer» `BrCH_2CH_2Br` `BrCH_2CH_2OH` `HOCH_2CH_2OH` `BrCH_2CH_2I` ANSWER :C

Discussion

25224.	The product U is
Answer» SOLUTION :

Discussion

25225.	How is Dacron obtained from ethylene glycol and terepthalic acid ?
Answer» GLYPTAL DACRON NYLON 6, 6 Buna - S rubber Answer :A

Discussion

25226.	The product (S) in the following sequence of reaction is __________. C_2H_4 overset("HBr")to(P) overset("NaOH (aq)")to (Q) overset(Na)to (R) overset(CH_3I)to (S)
Answer» butane DIETHYL ETHER PROPANE ETHYL methyl ether Answer :D

Discussion

25227.	The product/s formed when diborane is hydrolysed is/are :
Answer» `B_2O_3 and H_3BO_3` `B_2O_3` only `H_3BO_3 and H_2` `H_3BO_3` only Answer :A

Discussion

25228.	The product p of the nuclear reaction ""_(92)^(235)U + ""_(0)^(1)n to p + ""_(36)^(92)Kr + 3 ""_(0)^(1)n is
Answer» `""_(56)^(141)Sr` `""_(56)^(141)La` `""_(56)^(141)Ba` `""_(56)^(141)Cs` SOLUTION :U- 235 nucleus when hit by a NEUTRON undergoes the reaction. `""_(92)U^(235) + ""_(0)^(1)n to ""_(56)Ba^(41) + ""_(36)Kr^(92) + 3 ""_(0)^(1)n`

Discussion

25229.	The product p of the nuclear reaction ._(92)^(235)U + ._(0)^(1) n rarr p + ._(36)^(92)Kr + 3 ._(0)^(1)n is
Answer» `._(56)^(141)Sr` `._(56)^(141)La` `._(56)^(141)Ba` `._(56)^(141)Cs` SOLUTION :`U - 235` nucleus when hit by a neutron undergoes the reaction. `._(92)U^(235) + ._(0)^(1) n rarr ._(56)Ba^(141) + ._(36)Kr^(92) + 3_(0)^(1) n`

Discussion

25230.	The product P may be
Answer» ANSWER :A

Discussion

25231.	The product P of the following reaction is CH_(3)-COOH overset(LiAlH_(4))to overset(SOCl_(2))to overset(Koverset(14)(C)N)to overset(H_(3)O^(o+)) to P
Answer» ANSWER :`CH_(3)-CH_(2)-overset(14)(C)OOH`

Discussion

25232.	The product "P" in the above reaction is
Answer» SOLUTION :

Discussion

25233.	The product (P) in the reaction is …….
Answer» ANSWER :B

Discussion

25234.	The product, P formed in the reaction is (AAK_MCP_36_NEET_CHE_E36_010_Q01)
Answer» (`AAK_MCP_36_NEET_CHE_E36_010_A01`) ANSWER :D

Discussion

25235.	The product P
Answer» is the retended FORM of (X) is the INVERTED form of (X) has no CHIRAL carbon is a meso compound Answer :B

Discussion

25236.	The product of the reaction of ethyl bromide with dry silver oxide in ethanol is the functional isomer of:
Answer» A PRIMARY alcohol A SECONDARY alcohol A TERTIARY alcohol All of the above Answer :D

Discussion

25237.	The product of the reaction of P_4O_10(s) with water is .............
Answer» <P>`PH_(4)^(+)` `PH_(3)` `H_(3)PO_(4)` `HPO_(2)(AQ)` Solution :`P_(4)O_(10) + 6H_(2)O to 4H_(3)PO_(4)`

Discussion

25238.	The product of the reaction , Methanol +COoverset(Rh)to is :
Answer» Methanal Ethanal Methanoic acid Ethanoic acid. Solution :`CH_(3)OH+COoverset(RH)toCH_(3)COOH`

Discussion

25239.	The product of the reaction is
Answer» `HOCH_(2)(CH_(2))_(3)CH_(2)COCH_(3)` `HOCH_(2)(CH_(2))_(3)CH_(2)OCOCH_(3)` `ClCH_(2)(CH_(2))_(3)CH_(2)OCOCH_(3)` Solution : `H_(2)overset(C )(CH_(2))_(3)CH_(2)OCOCH_(3)overset(ZnCl_(3)^(-))(RARR)ClCH_(2)(CH_(2))_(3)OCOCH_(3)`

Discussion

25240.	The product of the reaction is
Answer» SOLUTION :amnides REDUCES to AMINES

Discussion

25241.	The product of the reactiongiven belowis :
Answer» ANSWER :d

Discussion

25242.	The product of the reaction given below is :
Answer» SOLUTION :

Discussion

25243.	The product of the reaction D-Glyceraldehyde underset(HCl)overset(Me_(2)CO)rarr overset(CH_(2)=CHMgCl)rarr overset(O_(3))rarr is/are
Answer» SOLUTION :

Discussion

25244.	The product of the reaction, D-glyceraldehyde underset"HCl"overset(Me_2CO)to overset(H_2C=CHMgCl)to overset(O_3)tois/are ?
Answer» SOLUTION :

Discussion

25245.	The product of the reaction CHO+(C_6H_5-CHCO)_2Ooverset(C_6H_5-CH_2COONa//Delta)rarr(X)will be
Answer» `C_6H_5-CH=CH-COOH` ANSWER :D

Discussion

25246.	The product of the reaction CH_3COOH overset(P_2O_5)(to)"......." is
Answer» ETHYL ethanoate Formic acid Ethanoic ANHYDRIDE `CO_2` and water Answer :C

Discussion

25247.	The product of the reaction between one mole of XeO_(3) and two mole of XeF_(6) is :
Answer» `XeO_(2)F_(2)` `XeOF_(4)` `XeO_(3)F_(2)` `XeO_(4)` Answer :B

Discussion

25248.	The product Of the reaction, CH_3CNoverset(H_2O)rarr A overset(NH_3)rarr B undersetrarr(heat) C is:
Answer» METHYL amine Ammonium acetate Ethyl amine Acetamide Answer :D

Discussion

25249.	The productof the reaction AI_(4)C_(3)+D_(2)O rarr …..+……. are
Answer» `C_(2)C_(3)+AI(OD)_(3)` `AI_(2)O_(3)+C_(2)D_(2)` `CD_(4)+AI(OD)_(3)` `C_(2)D_(2)+AI(OD)_(3)` Solution :`AI_(4)C_(3)+12D_(2)Orarr3CD_(4)rarr3CD_(4)+4AI(OD)_(4)`

Discussion

25250.	The product of the reaction
Answer» ANSWER :A

Discussion

Explore topic-wise InterviewSolutions in .

The products expected to be formed in the wurtz reaction of a mixture of neopentyl bromide and isobutyl bromide are (i). 2,2,4-trimethylpentane (ii). 2,2,5,5-tetramethylhexane. (iii). 2,2,4,4-tetramethylhexane (iv). 2,5-dimethylhexane (v). 2,2,5-trimethylhexane.

The products expected from the reaction {:(CHO),("|"),(CH_(2)),("|"),(CHOH),("|"),(CHOH),("|"),(CH_(2)OH):} overset(HIO_(4))underset("excess")to

The products 'C' in the following reaction is RCO OH overset(NH_(2))to(A) overset("heat")to(B) overset(P_(2)O_(5).heat)to(C)

The products (A), (B), and (C ) are:

The products (A) and (B), respectively, are:

the products are:

The products A and B of the below reaction sequence are H-C=C -CH_(2)-overset(O)overset(||)C-Ch_(3) overset(HgSO_(4))underset(Dil. H_(2)SO_(4))to A overset("EtONa)underset(EtOH)toB

The products A and B of the following reaction are two isomeric alkenes. Identify A and B

The products 'A' and 'B' of the below reaction sequence are H-C-=C-CH_(2)-CH_(2)-overset(O)overset(||)(C)-CH_(3)underset(dil.H_(2)SO_(4))overset(HgSO_(4))rarr A underset(EtOH)overset(EtONa)rarr B

The production potential of hydrogen half-cell will be negative if:

The production of an optically active compound from a symmetric molecule without resolution is termed

The production of an optically active compound from a symmetric molecule without resolution is called :

The product Z of the following series of reactions is :

The product Z in the following series of reaction is : CH_3CH_2 -overset(CH_3)overset(|)C=CH_2 underset((ii)NaBH_4)overset((i)Hg(OAc)_2)toY underset((ii)CH_3Br)overset((i)Na)to Z

The product (z) in the following sequence of reaction is C_(6)H_(6)+CH_(2)=CHCH_(2)Cl overset(AlCl_(3))to (X) underset((ii)" "H_(2)O_(2),OH)overset((i)" "BH_(3)//THF)to (j) underset(heat)overset(HF)to C_(9)H_(10)(z)

The product (Z) is ……..

The product ("X") of thefollowing sequences of reactions is

The product X on oxidation with HIO_4 gives :

The product X in the following reaction is (CH_(3)CO)_(2)O+C_(2)H_(5)OH to CH_(3)COOH+X

The product X is

The product x in the following equation : 2KMnO_(4) to K_(2)MnO_(4) +MnO_(2) +x, is :

The product which is obtained in least amount the direct nitration of aniline is

The product which is not obtained when ethylene reacts with KI mixed with Br_2//H_2O is -

The product U is

How is Dacron obtained from ethylene glycol and terepthalic acid ?

The product (S) in the following sequence of reaction is __________. C_2H_4 overset("HBr")to(P) overset("NaOH (aq)")to (Q) overset(Na)to (R) overset(CH_3I)to (S)

The product/s formed when diborane is hydrolysed is/are :

The product p of the nuclear reaction ""_(92)^(235)U + ""_(0)^(1)n to p + ""_(36)^(92)Kr + 3 ""_(0)^(1)n is

The product p of the nuclear reaction ._(92)^(235)U + ._(0)^(1) n rarr p + ._(36)^(92)Kr + 3 ._(0)^(1)n is

The product P may be

The product P of the following reaction is CH_(3)-COOH overset(LiAlH_(4))to overset(SOCl_(2))to overset(Koverset(14)(C)N)to overset(H_(3)O^(o+)) to P

The product "P" in the above reaction is

The product (P) in the reaction is …….

The product, P formed in the reaction is (AAK_MCP_36_NEET_CHE_E36_010_Q01)

The product P

The product of the reaction of ethyl bromide with dry silver oxide in ethanol is the functional isomer of:

The product of the reaction of P_4O_10(s) with water is .............

The product of the reaction , Methanol +COoverset(Rh)to is :

The product of the reaction is

The product of the reaction is

The product of the reactiongiven belowis :

The product of the reaction given below is :

The product of the reaction D-Glyceraldehyde underset(HCl)overset(Me_(2)CO)rarr overset(CH_(2)=CHMgCl)rarr overset(O_(3))rarr is/are

The product of the reaction, D-glyceraldehyde underset"HCl"overset(Me_2CO)to overset(H_2C=CHMgCl)to overset(O_3)tois/are ?

The product of the reaction CHO+(C_6H_5-CHCO)_2Ooverset(C_6H_5-CH_2COONa//Delta)rarr(X)will be

The product of the reaction CH_3COOH overset(P_2O_5)(to)"......." is

The product of the reaction between one mole of XeO_(3) and two mole of XeF_(6) is :

The product Of the reaction, CH_3CNoverset(H_2O)rarr A overset(NH_3)rarr B undersetrarr(heat) C is:

The productof the reaction AI_(4)C_(3)+D_(2)O rarr …..+……. are

The product of the reaction