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1
AIEEE 2005
MCQ (Single Correct Answer)
+4
-1
An organic compound having molecular mass 60 is found to contain C = 20%, H = 6.67% and N = 46.67% while rest is oxygen. On heating it gives NH3 along with a solid residue. The solid residue give violet colour with alkaline copper sulphate solution. The compound is
A
CH3NCO
B
CH3CONH2
C
(NH2)2CO
D
CH3CH2CONH2
2
AIEEE 2003
MCQ (Single Correct Answer)
+4
-1
The correct order of increasing basic nature for the bases NH3, CH3NH2 and (CH3)2 NH is
A
(CH3)2NH < NH3 < CH3NH2
B
NH3 < CH3NH2 < (CH3)2NH
C
CH3NH2 < (CH3)2NH < NH3
D
CH3NH2 < NH3 < (CH3)2NH
3
AIEEE 2003
MCQ (Single Correct Answer)
+4
-1
Ethyl isocyanide on hydrolysis in acidic medium generates
A
propanoic acid and ammonium salt
B
ethanoic acid and ammonium salt
C
methylamine salt and ethanoic acid
D
ethylamine salt and methanoic acid
4
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
When primary amine reacts with chloroform in ethanoic KOH then the product is
A
an isocyanide
B
an aldehyde
C
a cyanide
D
an alcohol
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