Explore topic-wise InterviewSolutions in Current Affairs.

This section includes 7 InterviewSolutions, each offering curated multiple-choice questions to sharpen your Current Affairs knowledge and support exam preparation. Choose a topic below to get started.

1.

The product of the following reactions is optically inactive and exist in Y diasteromeric forms, report your answer as 10+y

Answer»


SOLUTION :
Discussion
2.

The product of the given reaction: .

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Solution :In this REACTION Br atom ATTACHED to the ring is involved in cnjugation. Therefore, only Cl atom will be substituted by AMINO group.
.
Discussion
3.

The product of the reaction

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`C_(6)H_(5)CH=CH-COOH`


SOLUTION :
Discussion
4.

The product of the reaction :

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`C_6 H_5 - CH=C-COOH`


ANSWER :D
Discussion
5.

The product of the following reactions is

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`C_(6)H_(5)OC_(6)H_(5)`
`C_(2)H_(5)OC_(2)H_(5)`

ANSWER :A
Discussion
6.

The product of the following reaction is

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Both (a) and (B)
No reaction

Answer :C
Discussion
7.

The product of the following reaction is

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ANSWER :D
Discussion
8.

The product of the following reaction is–

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ANSWER :B
Discussion
9.

The product of the following reaction is :

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SOLUTION :
Discussion
10.

The product of the following reaction does not show positive test with

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`(CHCl_3 + KOH)Delta`
`HNO_3` FOLLOWED by `BETA`-naphthol in ALKALI
`Ph-SO_2Cl//NaOH`
Neutral `FeCl_3` Test

Solution :
Discussion
11.

The product of the following reaction: CH_(3)- underset(CH_(3))underset(|)overset(CH_(3))overset(|)C-CH=CH_(2) underset((ii)NaBH_(4))overset(((i)Hg(OAc)_(2),H_(2)O))to

Answer»

`CH_(3)-underset(CH_(3))underset(|)overset(CH_(3))overset(|)C-underset(OH)underset(|)CH-CH_(3)`
`CH_(3)-underset(CH_(3))underset(|)overset(CH_(3))overset(|)C-CH_(2)-CH_(2)OH`
`CH_(3)-underset(CH_(3))underset(|)overset(OH)overset(|)C-underset(CH_(3))underset(|)CH-CH_(2)OH`
`HOCH_(2)-underset(CH_(3))underset(|)overset(CH_(3))overset(|)C-CH_(2)CH_(3)`

Solution :Oxymercuration-reduction follows Markovnikov.s rule. Thus
`CH_(3)-underset(CH_(3))underset(|)overset(CH_(3))overset(|)C-CH=CH_(2) underset("(Murkovnico.s ADDITION)")overset(Hg(OAC)_(2),H_(2)O)to CH_(3)-underset(CH_(3))underset(|)overset(CH_(3))overset(|)C-underset(OH)underset(|)CH-underset(HgOAc)underset(|)CH_(2) overset(NaBH_(4))to CH_(3)-underset(CH_(3))underset(|)overset(CH_(3))overset(|)C-underset(OH)underset(|)CH-CH_(3)`
Discussion
12.

The product of the Cannizzaro's reaction of

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`Me-CH(OH)COO^(-)`

`Me-CO-COO^(-)`
NONE of the above.

Solution :It is CASE of internal Cannizzarro's REACTION.
Discussion
13.

The product of the above reaction is

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Solution :
(This `-OVERSET(* *)underset(* *)Br:` TAKES part in resonance and generates a partial DOUBLE BOND character with benzene ring. Hence, only `-CL` will be substituted.)
Discussion
14.

The product of the above reaction is

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SOLUTION :
It is an INTRAMOLECULAR CANNIZZARO REACTION.
Discussion
15.

The product of reaction of an aq solutionof Bi^(3+) salt with sodiumthiosuiphate gives

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BiS
`Bi_(2)(S_(2)O_(3))_(3)`
`NA[BI(S_(2)O_(3))_(2)]`
`[Bi_(2)(S_(2)O_(3))_(2)]Cl_(2)`

Solution :`3Na_(2)S_(2)O_(3) + 2BiCI_(3) RARR Bi(S_(2)O_(3))_(3) + 6NaCI`
`Bi_(2)(S_(2)O_(3))_(3) + 3H_(2)SO_(4)`
Discussion
16.

the product of reaction of alcoholic silver nitrite with ethyl bromide are

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Ethane
Etheene
Nitroethane
Ethyl nitrite

Solution :
The main product of this REACTION is nitroethane but ethylnitrite is ALSO FORMED as a side product ALONG with silver bromide.
Discussion
17.

The product of reaction of alcoholic silver nitrite with ethyl bromide is :

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Ethane
Ethyl alcohol
Nitroethane
Ethyl NITRITE

Solution :`CH_(3)CH_(2)Br+AgNO_(2)overset("ALCOHOLIC")rarrunderset("Nitroethane")(CH_(3)CH_(2)NO_(2))+AgBr`
Discussion
18.

The product of reaction o f1-butyne with HgSO_(4)+H_(2)SO_(4) would be

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`CH_(3)-CH_(2)-underset(O)underset(||)(C)-CHO`
`CH_(3)CH_(2)CH_(2)CHO`
`CH_(3)-CH_(2)-underset(O)underset(||)(C)-CH_(3)`
`CH_(3)-underset(O)underset(||)(C)-underset(O)underset(||)(C)-CH_(3)`

SOLUTION :`CH_(3)-H_(2)-underset(O)underset(||)(C)-CH_(3)`
Discussion
19.

The product of reaction of alcoholic silver acetate and ethyl bromide is,

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methyl acetate<BR>ethyl acetate
ethyl methyl ether
ethyl alcohol

Solution :`CH_(3) COOAg+ C_(2)H_(5)Br overset(DELTA) to CH_(3) CHCOOC_(2)H_(5)+AGBR`
Discussion
20.

The product of reaction is:

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ANSWER :B
Discussion
21.

The product of PV is plotted against P at two temperatures T_(1) and T_(2) and the result is shown in figure. What is correct about T_(1) and T_(2)?

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`T_(1) GT T_(2)`
`T_(2) gt T_(1)`
`T_(1) = T_(2)`
`T_(1) +T_(2) = 1`

ANSWER :B
Discussion
22.

The product of oxymercuration of but-1-yne with HgSO_(4) and H_(2)SO_(4) will be :

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`CH_(3)CH_(2)COCH_(3)`
`CH_(3)CH_(2)CH_(2)CHO`
`CH_(3)CH_(2)CHO` and `HCHO`
`CH_(3)CH_(2)COOH` and `HCOOH`.

SOLUTION :`CH_(3)CH_(2)C=CH+H_(2)Ooverset(HgSO_(4)//H_(2)SO_(4))rarrunderset("Butan-2-one")(CH_(3)CH_(2)COCH_(3))`
Discussion
23.

The product of oxidation of I with MnO_(4) in alkaline medium is

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`IO_(3)^(-)`
`I_2`
`IO^(-)`
`IO_(4)^(-)`

ANSWER :A
Discussion
24.

The product of oxidation of I^(-) with MnO_(4)^(-) in alkaline medium is

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`IO_(3)^(-)`
`I_(2)`
`IO^(-)`
`IO_(4)^(-)`

ANSWER :A
Discussion
25.

The product of oxidation of I^- with MnO_4^- in alkaline medium is ____

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`I_2`
`IO^-`
`IO_4^-`
`IO_3^-`

ANSWER :D
Discussion
26.

The product of I^(-) with MnO_(4)^(-) in alkaline medium is:

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`I_(2)`
`IO_(3)^(-)`
`IO^(-)`
`IO_(4)^(-)`

Answer :B
Discussion
27.

The product of mixing an acyl halide and an acid is

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an acid
an amide
anhydride
an aldehyde

Answer :C
Discussion
28.

The product of I^- with MnO_4^- in alkaline medium is :

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`I_2`
`IO_3^-`
`IO^-`
`IO_4^-`

ANSWER :B
Discussion
29.

The product of formed when benzaldehyde is refluxed with alcoholic KCN solution is

Answer»

PHENYL cyanide
Benzoin
Phenyl isocyanide
Phenyl isocyanate

Answer :B
Discussion
30.

The product of following reaction is CH_3-undersetunderset(CH_3)|oversetoverset(CH_3)|C-CH=CH_2underset((ii)NaBH_4)overset((i)Hg(OAc)_2, H_2O)to

Answer»

`CH_3-undersetunderset(CH_3)(|)oversetoverset(CH_2)|C-undersetunderset(OH)|CH-CH_2`
`CH_3-undersetunderset(CH_3)|OVERSET(CH_3)overset|C-CH_2-CH_2OH`
`CH_3-undersetunderset(CH_3)|oversetoverset(OH)|C-oversetoverset(CH_3)|CH-CH_3`
`HOCH_2-undersetunderset(CH_3)|oversetoverset(CH_3)|C-CH_2-CH_3`

Solution :`CH_3-undersetunderset(CH_3)(|)oversetoverset(CH_3)(|)C-CH=CH_2underset((ii)NaBH_4)overset((i)HG(OAC)_2, H_2O)to CH_3-undersetunderset(CH_3)(|)oversetoverset(CH_3)(|)C-undersetunderset(OH)(|)CH-CH_3`
Discussion
31.

The product of following reaction C_(6)+Cl_(2)overset(FeCl_(3))to? is

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

Answer :A
Discussion
32.

The product of following reaction is C_(2)H_(5) COOCH_(3) overset(("iso - but")_(2)Al-H)to?

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`CH_(3) - CHO`
`C_(2)H_(5)CHO`
`CH_(3)- OVERSET(O)overset(||)(C) - C_(2)H_(5)`
`C_(2)H_(5) - COOH`

Answer :B
Discussion
33.

The product of addition polymerisation reaction is:

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PVC
Nylon
Terylene
Polamide

Answer :A
Discussion
34.

The product of addition polymerisation reaction is

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PVC
Nylon
TERYLENE
POLYAMIDE

ANSWER :A
Discussion
35.

The product of acid catalyzed hydration of 2-pphenylpropene is

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3-phenyl-2-propanol
1-phenyl-2-propanol
2-phenyl-2-propanol
2-phenyl-1-propanol

Answer :C
Discussion
36.

The product of acid catalyzed hydration of 2-pheny1propene is

Answer»

3-phenyl-2-propanol
1-phenyl-2-propanol
2-phenyl-2-propanol
2-phenyl-1-propanol

Solution :`CH_3-oversetoverset(PH)(|)C=CH_2overset(H_3O^+)to CH_3-undersetunderset(OH)(|)oversetoverset(Ph)(|)C-CH_3`
Discussion
37.

The product of acid-catalysed hydration of 2-phenylpropene is

Answer»

3-phenyl-2-propanol
1-phenyl-2-propanol
2-phenyl-2-propanol
2-phenyl-1-propanol

Solution :
Discussion
38.

The product of a reaction between methyl isocyanate (MIC) and ethanol is urethane with formula

Answer»

`CH_(3)-NHCOOC_(2)H_(5)`
`C_(2)H_(5)-NHCOOCH_(3)`
`C_(2)H_(5)NHCOOC_(2)H_(5)`
`CH_(3)-NH-COOCH_(3)`.

Solution :`CH_(3)-N=C=O+C_(2)H_(5)OH RARR CH_(3)-underset(H)underset(|)(C)-COOC_(2)H_(5)`
Discussion
39.

The product obtained when silica reacts with hydrogen fluoride is :

Answer»

`SiF_4`
`H_2SiF_6`
`H_2SiF_4`
`H_2SiF_3`

ANSWER :B
Discussion
40.

The product obtained when propanamide is distilled with phosphorous pentoxide is (CH_3CH_(2)CO)_(2)O

Answer»

`CH_(3)CH_(2)CN`
`CH_(3)CH_(2)COOCH_(2)CH_(3)`
`(CH_(3)CH_(2)COO)_(3)PO`

Answer :B
Discussion
41.

The product obtained when methyl amine is treated with nitrous acid is :

Answer»

`CH_3OH`
`CH_3-ONO`
`CH_3OCH_3`
BOTH (B) AND ( C )

ANSWER :D
Discussion
42.

The product obtained when chlorine gas reacts with cold and dilute aqueous NaOH are

Answer»

`ClO_(2)^(-)` and `ClO_(3)^(-)`
`CL^(-)` and `CLO^(-)`
`Cl^(-)` and `ClO_(2)^(-)`
`ClO^(-)` and `ClO_(3)^(-)`

ANSWER :B
Discussion
43.

The product obtained when benzyl phenol ether is heated with HI in the mole ratio 1:1 are 1. Phenol2. Benzyl alcohol 3. Benzyl iodide4. Iodobenzene

Answer»

1 and 3 only
3 and 4 only
1 and 4 only
2 and 4 only

Solution :Ethers are READILY attacked by HI to GIVE alcohols or phenols and halides .
`underset("Benzylphenyl ether")(C_(6)H_(5)CH_(2)OC_(6)H_(5))to underset("Phenol")(C_(6)H_(5)OH) + underset("Benzyliodide")(C_(6)H_(5)CH_(2)I)`
However, when excess of HI is used, only iodide (alkyl or ARYL ) is obtained as MAJOR product.
Discussion
44.

The product obtained when benzene is treated with carbon monoxide and hydrogen chloride in presence of anhydrous AlCl_3 is

Answer»

Chlorobenzene
Phenol
Benzaldehyde
Benzoic acid

Answer :A
Discussion
45.

The product obtained when acetic acid is treated with phosphorus trichloride is

Answer»

`CH_(3)COOPCl_(3)`
`CH_(3)COOCl`
`CH_(3)COCL`
`ClCH_(2)COOH`

Solution :`3CH_(3)COOH+PCl_(3)toH_(3)PO_(3)+3CH_(3)COCl`
Discussion
46.

The product obtained when acetic acid is treated with phosphorus trichloride is :

Answer»




ANSWER :C
Discussion
47.

The product obtained on heating NH_4NO_3 is

Answer»

`N_(2)O`
`NO`
`N_2O_(5)`
`N_(2)O_(3)`

ANSWER :A
Discussion
48.

The product obtained when ""_(90)^(230)Th undergoes 2alpha decays in successive steps is :

Answer»

Radium
Radon
Bismuth
Polonium.

Answer :B
Discussion
49.

The product obtained on heating LiNO_(3) will be

Answer»

`Li_(2)O+NO_(2)+O_(2)`
`Li_(3)N+O_(2)`
`Li_(2)O+NO+O_(2)`
`LiNO_(2)+O_(2)`

SOLUTION :`LiNO_(3)overset("heat")toLi_(2)O+NO_(2)+O_(2)`
Discussion
50.

The product obtainedin the followingreactionCH_(3) - NO_(2) + Cl_(2) + NaOHto

Answer»

`CL - CH_(2) - NO_(2)`
`Cl_(2)CH - NO_(2)`
`Cl _(3) C - NO_(2)`
all of these

ANSWER :D
Discussion