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CBSE

Subject

Chemistry

NEET Chemistry : Organic Chemistry – Some Basic Principles and Techniques

Multiple Choice Questions

51.

Inorganic benzene is

B₃N₆H₃
B₃N₃H₆
Al₃N₃H₆
None of these

52.

Sodium formate on heating gives

oxalic acid and H₂
sodium oxalate and H₂
sodium oxalate
CO₂ and caustic soda

53.

Names of some compounds are given. Which one is not correct in IUPAC system?

$\underset{3 - methyl - 2 - butanol}{{CH}_{3} - CH (OH) - CH ({CH}_{3}) - {CH}_{3}}$
$\underset{4 - methyl - 2 - pentyne}{{CH}_{3} - C \equiv C - CH ({CH}_{3})}$
$\underset{2 - ethyl - 3 methyl - but - 1 - ene}{{CH}_{3} - {CH}_{2} - C ({CH}_{2}) - CH ({CH}_{3}) - {CH}_{3}}$

54.

Which one of the following compounds is most acidic?

Cl - CH₂ - CH₂ - OH

55.

The product of following reaction is

2CH₃MgBr + CH₂O $\to$

CH₃OH
C₂H₅OH
CH₄
C₂H₆

56.

Stereisomers differ in

configuration
conformation
they do not differ
none of the above

57.

Which one of the following is expected to exhibit optical isomerism? (en = ethylenediamine)

cis-[Pt (NH₃)₂Cl₂]
trans-[Co (en)₂ Cl₂]
trans- [Pt (NH₃)₂Cl₂]
cis-[Co(en)₂Cl₂]

58.

Which among the following is the most stable carbocation?

$\overset{+}{C} H_{3}$
CH₃ $\overset{+}{C}$ H₂

59.

IUPAC name of the following compound

N, N- dimethylcyclopropane carboxamide
N-methylcyclopropanamide
cyclopropionamide
None of the above

60.

Products of the following reaction

CH₃C $\equiv$ C.CH₂CH₃ $\to_{(2) Hydrolysis}^{(1) O_{3}}$ .... are

CH₃CHO + CH₃CH₂CHO
CH₃COOH + CH₃COCH₃
CH₃COOH + HOOC.CH₂CH₃
CH₃COOH + CO₂

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