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nucleophilicity order is represented by CH3- >NH2- HO- ~=F- .. EXPLAIN CONCEPT BEHIND THIS
6
1189
30 Dec 2011 05:55:50 IST
vaidya
Organic Chemistry
the radius of second Bohr's orbit is...a)0.212 nm..b)0.053 nm...c)0.0256 nm....d)0.106 nm .explain u
4
444
26 Oct 2011 06:32:20 IST
sudhindra shenoy
Physical Chemistry
Which of the folowing will deflect in electric field? explain too..a)UV rays b)cathode c)gamma rays
3
890
21 Sep 2011 20:00:18 IST
shwetatiwari
Electricity
WHAT IS CERRIC AMMONIUM NITRATE
9
701
27 Feb 2011 10:26:14 IST
Sagar Saxena
Physical Chemistry
what should be antiproton which is anti particle of proton?
8
702
29 Jun 2010 21:16:12 IST
edison
Magnetism
where is spleen located in the body?
2
538
20 Sep 2009 11:11:28 IST
Juhi Sharma
Zoology
is virus and virion the same thing?in virions dna or rna are double or single stranded?
2
297
11 Jul 2009 14:29:30 IST
Juhi Sharma
Zoology
which of the following vitamin is essential for DNA synthesis and CELL DIVISON:
8
656
15 Jun 2009 17:05:35 IST
shane bhatia
Zoology
is hyaline cartilage and articular cartilage the same thing?
2
382
5 Jun 2009 22:56:14 IST
Juhi Sharma
Zoology
a person likely to develop tetanus is immunised by administering...a)performed antibodies...b)wide s
2
397
4 Jun 2009 01:49:44 IST
Juhi Sharma
Zoology
if mother is A+ve and father is O+ve then is there any chance that the child will be AB+ve?in today'
4
424
1 Jun 2009 19:31:56 IST
Juhi Sharma
Zoology
A plate has a length 5.00 ± 0.10cm and breadth 2.00 ± 0.01 cm. Then the area of the plate is (a) 1
6
478
29 May 2009 08:43:25 IST
Manmeet Singh
General Physics
Two coherent sources whose intensity ratio is 81:1 produce interference fringes. The ratio of minim
2
424
27 May 2009 08:24:01 IST
Anurag Seth
Optics
Let the potential energy of electron in hydrogen atom in the ground state be regarded as zero. The
2
443
26 May 2009 15:36:36 IST
Chris21
Modern Physics
Two radioactive nuclides x and y have half lives 1 hour and 2 hours respectively. Initially the sam
1
326
26 May 2009 15:26:18 IST
Chris21
Modern Physics
A monoatomic ideal gas initially at 170C is suddenly compressed to one eighth of its original volum
4
558
24 May 2009 18:28:47 IST
Akshay
Thermal Physics
the gametocytes of plasmodium are not affected by the digestive enzymes of host mosquito.Why?
1
267
23 May 2009 19:35:37 IST
Chris21
Zoology
A dim star magnitude +14.5 explodes into a nova of magnitude +2. The factor by which the brightness
1
297
23 May 2009 18:48:47 IST
Chris21
Optics
5. How many meiotic divisions are required to form 100 maize grains? (a) 50 (b) 125 (c) 25 (d) 100
3
351
22 May 2009 15:02:46 IST
amruta
Botany
In a property biased transistor (a) both depletion layers are equally large (b) both depletion lay
2
350
21 May 2009 18:02:59 IST
Chris21
Modern Physics
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