1
AIPMT 2014
MCQ (Single Correct Answer)
+4
-1
In the Kjeldahl's method for estimation of nitrogen present in a soil sample, ammonia evolved from 0.75 g of sample neutralized 10 mL of 1 M H2SO4. The percentage of nitrogen in the soil is
A
37.33
B
45.33
C
35.33
D
43.33
2
NEET 2013 (Karnataka)
MCQ (Single Correct Answer)
+4
-1
Arrange the following in increasing order of stability
NEET 2013 (Karnataka) Chemistry - Some Basic Concepts of Organic Chemistry Question 62 English
A
5 < 4 < 3 < 1< 2
B
4 < 5 < 3 < 1 < 2
C
1 < 5 < 4 < 3 < 2
D
5 < 4 < 3 < 2 < 1
3
NEET 2013 (Karnataka)
MCQ (Single Correct Answer)
+4
-1
What is the hybridisation state of benzyl carbonium ion?

NEET 2013 (Karnataka) Chemistry - Some Basic Concepts of Organic Chemistry Question 61 English
A
sp2
B
spd2
C
sp2d
D
sp3
4
NEET 2013 (Karnataka)
MCQ (Single Correct Answer)
+4
-1
Nitrogen detection in an organic compound is carried out by Lassaigne's test. The blue colour formed corresponds to which of the following formulae?
A
Fe3[Fe(CN)6]2
B
Fe4[Fe(CN)6]3
C
Fe4[Fe(CN)6]2
D
Fe3[Fe(CN)6]3
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