CBSE Questions for Class 11 Medical Chemistry Organic Chemistry Some Basic Principles And Techniques Quiz 7 - MCQExams.com

What is IUPAC name for isophthalic acid?
  • Benzene- 1,3 dicarboxylic acid
  • Benzene- 1,2 dicarboxylic acid
  • Benzene- 1,4 dicarboxylic acid
  • Benzene- 1,5 dicarboxylic acid
Correct IUPAC name of l-chloropent-l-yn-4-ol.
  • Chloropentyne-2-ol
  • 5-Chloropent-4-yn-2-ol
  • 2-Hydroxypent-4-yn-2-ol
  • 4-Hydroxypent-l-yne
The correct IUPAC name of the compound is: 
833150_4e2339cab5704d40940de874c357d1b2.png
  • $$1,2,3-triaminobutan-1,3-one$$
  • $$2,4-diamino-3-oxobutanamide$$
  • $$1,3-dioxobutane-1,2,4-triamine$$
  • $$1,3,4-triaminobutane-2,4-one$$
Which of the following compound gives only one monochloro product on its chlorirnation in presence of sunlight?
  • n-butane
  • Iso pentane
  • Neo pentane
  • n-pentane
Which is the most aromatic in character?
  • All having same aromatic character
The IUPAC name of the product obtained by the oxidation of phenol with the help of chromic acid is__________.
  • cyclo-hexa-2,4-diene-1,4-diol
  • cyclo-hexa-2,4-diene-1,4-dione
  • cyclo-hexa-2,5-diene-1,4-diol
  • cyclo-hexa-2,5-diene-1,4-dione
IUPAC name of the following compound:

$${ CH }_{ 3 }-{ CH }_{ 2 }-\underset { CH_2CH_3 }{\underset{|}{ C}H  -}C{ H }_{ 2 }-\underset{CH_3}{\underset{|}{C}H}-C{ H }_{ 2 }-C{ H }_{ 3 }$$
  • 3-Ethyl-5-methylheptane
  • 5-Ethyl-3-methylheptane
  • 1,1-Diethyl-3-methylpentane
  • 3-Methyl-5,5-diethylpentane
Which of the following is the correct IUPAC name for the following compound?
863918_f89aab39e9fb4a9a90c398c5f9d2fef9.png
  • 2-(1,1-dimethyl ethyl)-5-(1-methyl ethyl) heptane
  • 2-(1,2-dimethyl ethyl)-5-ethyl-6-methyl heptane
  • 3-ethyl-2,6,7,7-tetramethyl octane
  • 6-ethyl-2,2,3,7-tetramethyl octane
IUPAC name of the product obtained when $$2$$- Chloropropane reacts with Na metal -
  • n- Hexane
  • $$2, 3$$ - Dimethylbutane
  • Butane
  • $$3, 4$$ - Dimethylhexane
The IUPAC name of the compound :
874878_9863c89ae5bc4eb8be2d4d3c10bd341f.png
  • 3,3-dimethyl-1-hydroxy cyclohexane
  • 1, 1-dimethyl-3-hydroxy cyclohexane
  • 3,3-dimethyl-1 -cyclohexane
  • 1,1-dimethyl 1-3-cyclohexane
The IUPAC name of the compound given is :
$$\underset{\!\!\!\!\!{\displaystyle \text {OH}}}{\underset{|}{C}H_2} - \underset{{\displaystyle \text {NH}}_2}{\underset{|}{C}H} - COOH$$
  • 2-amino-3-hydroxypropanoic acid
  • 1-hydroxy-2-aminopropan-3-oic acid
  • 1-amino-2-hydroxypropanoic acid
  • 3-hydroxy-2-aminopropanoic acid
Lassaigne's test for the detection of nitrogen fails in:
  • $${ NH }_{ 2 }CONH{ NH }_{ 2 }.HCl$$
  • $${ NH }_{ 2 }{ NH }_{ 2 }.HCl $$
  • $${ NH }_{ 2 }CO{ NH }_{ 2 }$$
  • $${ C }_{ 6 }{ H }_{ 5 }{ NH }{ NH }_{ 2 }.HCl$$
Silt in water remains suspended. It is removed by sedimentation and filtration. For increasing its sedimentation aluminium sulphates and calcium hydroxide (slaked lime) are added. As a result sticky aluminium hydroxide.
  • Destroys slit particles
  • Attracts the particles of slit
  • Mixes with slit particles
  • Makes slit particles increases in size and deposit at the bottom
The correct $$IUPAC$$ name of the following alkane is:
930522_7d161d37663f4d9fa494e170945802a2.png
  • $$3,6-diethyl-2-methyloctane$$
  • $$5-isopropyl-3-ethyloctane$$
  • $$3-ethyl-5-isopropyloctane$$
  • $$3-isopropyl-6-ethyloctane.$$
If an adding of $$FeCl_3$$ solution to acidified Lassaigne s solution, a red colouration is produced, it indicates the presence of:
  • $$S$$
  • $$N$$
  • $$N$$ and $$S$$
  • $$S$$ and $$Cl$$
In lassaigne's test for $$N,\ S$$ and halogen, the organic compound is:
  • fused with sodium
  • dissolved with sodamide
  • extracted with sodamide
  • fused with calium
The correct structure for triphenylbromomethane is :
The IUPAC name for compound ?
930503_14c2cda3f8a24e708f418d1f7dee9675.png
  • 1-Chloro-2 nitro-4-methylbenzene
  • 1-Chloro-4 methyl-2- nitrobenzene
  • 2-Chloro-1 nitro-5- methylbenzene
  • m-nitro-p-chlorotoluene
The process of separation of an organic compound  from its aqueous solution by shaking with a suitable solvent is termed solvent extraction or differential extraction.
The organic compound present in aqueous layer moves to the organic solvent because:
929740_1190cc3d8d264255a53eb76774d7a515.png
  • the organic substance is more soluble in the organic solvent
  • organic compound being lighter moves in the upper layer
  • organic solvent is insoluble in water hence organic compound moves up
  • from the supersaturated aqueous solution the solute starts diffusing
The synthetic steroid ethynylestardiol (1) is a compound used in the birth control pill.
Which of the following functional group is contained in compound (1)?
988746_27ff99a76a48429cbbc5e438d3fa8b82.png
  • A ketone
  • An alcohol
  • A carboxylic acid
  • An ester
Hydroboration of 1- methylcyclopentene using $$B_2D_6$$, followed by treatment with alkaline hydrogen peroxide, gives 
Prostaglandin $$E_1$$ 1 is a compound produced by the body to regulate a variety of processes including blood clotting, fever, pain and inflammation.
Which of the following functional groups is not contained in 1 ?
988737_f12f2f59b4124084959d1cee68fbc8d9.png
  • A ketone
  • An alcohol
  • A carboxylic acid
  • An alkene
  • A nitrile
Which of the following substances is not of 3-ethyl 2-methyl pentane?
  • All are isomers
The functional groups present in Cortisone are:

988183_5a5d3a6eee2a41c5aafc662f06a58ae9.png
  • Ether, alkene, alchohol
  • Alcohol, ketone, alkene, ether
  • Alcohol, ketone, ammine
  • Ether, amine, ketone
The synthetic steroid ethynylestardiol (1) is a compuond used in the birth control pill.
How many asymmetric (stereogenic) centres are present in compound (1) ?
988747_e051ea47c65f4b1eb1fe46016a366fac.png
  • 2
  • 3
  • 4
  • 5
IUPAC name of 4-iso-propyl-m-xylene is:
  • 1-iso-propyl-2,4-dimethylbenzene
  • 4-iso-propyl-m-xylene
  • 4-iso-propyl-2,3-dimethylbenzene
  • 4-iso-propyl-3,5-dimethylbenzene
Identify which functional group are not present in the given compound?
988113_b5c7433b7b074a32ac3810820834ddfe.png
  • ketone
  • Ester
  • Amide
  • Ether
The IUPAC name of the compound is
996508_451e0a89da3a4079898325b4984ec763.png
  • $$4$$-ethoxycarbonylpent-$$3$$-enoic acid
  • $$4$$-ethanoyloxypent-$$3$$-enoic acid
  • $$3$$-ethoxycarbonylbut-$$2$$-enecarboxylic acid
  • $$3$$-ethoxycarbonylpent - $$3$$- enoic acid
Nitrene is a/an:
  • nucleophile
  • electrophile
  • charged species
  • free atom
Which of the following would be expected to be most highly ionised in water?
  • $${\text{C}}{{\text{H}}_{\text{3}}}{\text{C}}{{\text{H}}_{\text{2}}}{\text{C}}{{\text{H}}_{\text{2}}}{\text{COOH}}$$
  • $${\text{C}}{{\text{H}}_{\text{3}}}{\text{CHClC}}{{\text{H}}_{\text{2}}}{\text{COOH}}$$
  • $${\text{C}}{{\text{H}}_{\text{3}}}{\text{C}}{{\text{H}}_2}{\text{CC}}{{\text{l}}_2}{\text{COOH}}$$
  • $${\text{C}}{{\text{H}}_{\text{3}}}{\text{C}}{{\text{H}}_2}{\text{CHClCOOH}}$$
How many total numbers of $$\pi$$-bonds are present in complex $$K_3[Fe(CN)_5O_2]Fe$$ having $$t_{2g}^{6}e_g{^0}$$?
  • $$11$$ $$\pi$$ bond
  • $$10$$ $$\pi$$ bond
  • $$10.5$$ $$\pi$$ bond
  • None of these
Calculate the amount of NaOH required to neutralise 100 mL 0.1 M H2SO4
  • 0.8
  • 0.5
  • 0.6
  • 0.7
IUPAC name of the bond line structure is:

1006386_b64218b0c08b43d7833ea683454f75a7.png
  • trimethyl propane
  • pent-1-yne
  • pent-2-ene
  • 1, 3-pentadiene
The IUPAC name of the compound is:
1007614_66ab3236267441a7b4f3c758b8d9f03a.png
  • 1-hydroxy-4-methylpentan-3-one
  • 2-methyl-5-hydroxypentan-3-one
  • 4-methyl-3-oopentan-1-ol
  • hexan-1-ol-3-one
IUPAC name of the given compound is:
1026791_994b4c5fc8d44785ab1bc67eca5d6196.png
  • (2 - chlorocyclopropenyl ) - 4 - chloro - 2 - fluoro -3 [ 2 - oxoformyl ] cyclohex - 5 - enecarboxylate
  • (2 - chlorocyclopropenyl ) - 4 - chloro - 6 - fluoro -5 [ oxoethyl] cyclohex-2-enecarboxylate
  • (2 - chlorocyclopropenyl ) - 4 - chloro - 2 - fluoro -3 [ formylmethyl ] cyclohex - 5 - enecarboxylate
  • (2 - chlorocyclopropenyl ) - 4 - chloro - 2 - fluoro -3 [ 2 - formylmethyl ] cyclohex - 5 - enecarboxylate
Correct name for the given compound, is ?
$$CH_3-CH_2-CH(C_2H_5)-CH_2-CH(CH_3)-C_2H_5$$
  • 3-ethyl-5-methylheptane
  • 5-ethyl-3-methylheptane
  • 1,1-diethyl-3-methylpentane
  • 3-methyl-5,5-diethylpentane
Which of the following reacts with an aqueous solution of $$\left[ {{\text{Ag}}\left( {{\text{NH}}_{\text{3}} } \right)_{\text{2}} } \right]^ +  {\text{OH}}^{\text{ - }} $$?
  • $$

    CH_3 - C \equiv C - CH_3

    $$
  • $$

    CH_3 - CH = CH_2

    $$
  • $$

    CH_3 - C \equiv CH

    $$
  • None of these

The IUPAC name of the compound is:
1027061_cd6e2db83c144826a7c5e4b1611bf6e4.png
  • 2 - Amino - 3 - chloro - 2 - methylpent - 2 - enoic acid
  • 3 - Amino - 4 - chloro - 2 - methylpent - 2 - enoic acid
  • 4- Amino -3 - chloro - 2 - methylpent - 2 - enoic acid
  • All of the above

Isopropylamine can be obtained by  
  • $${\left( {C{H_3}} \right)_2}C = O + N{H_3} \to ?$$
  • $${\left( {C{H_3}} \right)_2}CO + N{H_3}$$
  • $${\left( {C{H_3}} \right)_2}CH - Br + NaN{H_2} \to $$
  • $${\left( {C{H_3}} \right)_2}CH - Br?$$
Which of the following compounds has wrong IUPAC name ?
  • $$CH_ 3-CH_ 2-CH_ 2-COO-{\underset{ethyl\,butanote}{CH_ 2CH_ 3\rightarrow}}$$
  • $$CH_3-\underset{CH_3}{\underset{|}{C}H}-CH_2-CHO\rightarrow 3- methyl - butanal$$
  • $$CH_3-\underset{OH}{\underset{|}{C}H}-\underset{CH_3}{\underset{|}{C}H}-CH_3 \rightarrow 2- methyl - 3 - butanal$$
  • $$CH_3 -\underset{CH_3}{\underset{|}{C}H} -\overset{O}{\overset{||}{ C}} -CH_2 -CH_3 \rightarrow 2- methyl -3 - pentanone$$
Dumas method is used for estimation of:
  • carbon
  • nitrogen
  • oxygen
  • sulphur
Which of the following names is IUPAC name for the given compound?
$$\underset{\underset{\,\,\,\,CHO}{|}}{C}H_2\underset{\underset{\,\,\,\,\,CHO}{|}}{C}H-\underset{\underset{\,\,\,\,\,CHO}{\,\,|}}{C}H_2$$
  • 2- Formyl pentane -1, 5-dial
  • 1,2,3-Triformyl - propane
  • 2 - formylbutane - 1, 4 - dial
  • Propane -1,2,3 - tricarbaldehyde
The IUPAC name of the compound is:
1041508_f2b4f35320ab48e5baee102264665808.png
  • $$1$$-amino-$$1$$-phenyl-$$2$$-methyl propane
  • $$2$$-methyl-$$1$$-phenyl propane-$$1$$-amine
  • $$2$$-methyl-$$1$$-amino-$$1$$-phenyl propane
  • $$1$$-isopropyl-$$1$$ phenyl methyl amine
According to the IUPAC system, $${ CH }_{ 3 }{ CH }_{ 2 }COCl$$ is named as:
  • chloropropane
  • propanoyl chloride
  • chloropropanyl
  • none of these
Which of the following is not the correct $$IUPAC$$ name?
  • $$2$$-ethyl-$$3$$-methyl pentane
  • $$4$$-formyl pentan-$$2$$-ol
  • $$3$$-Carboxy pentanoic acid
  • Cyclohexanoic acid
The number of carbon atoms in the principal carbon chain of the given compound in its IUPAC name will be:
1067669_68e37a2df72348d4a621718efde58cf3.png
  • 5
  • 4
  • 3
  • none of these
Which of the following is/are incorrect $$IUPAC$$ name?
  • $$4$$-Chloro-$$3$$-methyl cyclopentanol-$$1$$
  • $$1$$-Amino-$$3$$-bromo hexan-$$2$$-one
  • $$4$$-Chloro-$$3$$-methyl cyclohexanoic acid
  • $$3$$-Bromo-$$1$$-methyl hexan-$$1$$-ol
The IUPAC name of:
1062309_52bb549d37d44e3a8e8c2db897fc87bd.png
  • phenyl ethanone
  • methyl phenyl ketone
  • acetophenone
  • phenyl emethyl ketone
The IUPAC name of:
1062379_298e29e424284b29866fc08f38cafd14.png
  • 2-chlorocarbony ethylbenzoate
  • 2-carbocyethyl benzoyl chloride
  • ethyl-2-(chlorocarbarbonyl) benzoate
  • ethyl-1-(chlorocarbarbonyl) benzoate
The $$IUPAC$$ name of the following structure
$${ (CH }_{ 3 })_2C=CH-C\equiv C-CH{\left( C{H}_{ 3 } \right)}_{2}$$ is:
  • $$2,6$$-dimethylhept-$$4$$-yn-$$2$$-ene
  • $$3$$-Methylhept-$$2$$-yn-$$4$$-ene
  • $$4$$-Methylhex-$$4$$-yn-$$4$$-ene
  • all are correct
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