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Arvind asked a question
Subject: Chemistry, asked on on 8/4/17
Number of S-S bonds in SO3, S2O3 2-, S2O6 2-, S2O8 2- resp. are?
Neha Jain & 1 other asked a question
Subject: Chemistry, asked on on 13/10/16
​In the formation of NH3, if nitrogen uses its pure p-orbital then choose, the false statement  
(1) All the three bond in NH3 will be of 90°
(2) All the three bond in NH3 will have to same bond strength
(3) L.P. will be present in 2s orbital
(4) The geometry of the molecule will be trigonal bipyramidal
​Kindly explain the answer and what does the question mean by pure p orbital ?
Manideep Varma asked a question
Subject: Chemistry, asked on on 8/7/16
the mole fraction of the solevent in the solution of non volatile is 0.980.the relative lowering of vapour pressure is
Almas asked a question
Subject: Chemistry, asked on on 10/4/17
Select the odd one w.r.t. EAN :-
(1)    [Fe(CO)5]
(2)    [Cr(CN)6]–3
(3)    [Mn2(CO)10]
(4)    [Fe(CN)6]–4 
​Answer given is 2

 
Tweleve Jeeliveoneyr asked a question
Subject: Chemistry, asked on on 20/6/17
Solve this.
Almas asked a question
Subject: Chemistry, asked on on 20/3/17
How many species will release 'N2' on thermal decomposition :- NH4NO3, Ba(N3)2, (NH4)2 Cr2O7, (NH4)2 CO3, (NH4Cl + NaNO2), (NH4)2 SO4 
Priyanka Priyanka asked a question
Subject: Chemistry, asked on on 7/11/17
Which one of the following elements of group 13 can react with alkali solution solution to give h2gas? 1)boron 2) aluminium 3) gallium 4)all of these
Bhagawathgitha A Tn asked a question
Subject: Chemistry, asked on on 5/2/17
in setting of cement the  minimum weight to break the slab   is high shows   what about the composition   1 . strength  2. weakness  
plz ans it fast
Almas asked a question
Subject: Chemistry, asked on on 27/1/17
NaBH4 + A at 450 K ----> B (electron deficient dimer)
B + NH3 at 200°C ----> C
1 : 2
Incorrect statement about A, B & C is :-
a) A is hypervalent compound
b) B is non planar molecule
c) C is an aromatic, non-polar molecule 
​d) B gives H3BO3 on hydrolysis
Also name A, B and C 
​
 ​  
Priyanka Priyanka asked a question
Subject: Chemistry, asked on on 7/11/17
Which one of the following elements of group 13 can react with alkali solution to give h2gas? 1Boron 2Aluminum 3Gallium 4All of these
Isha Maholkar asked a question
Subject: Chemistry, asked on on 7/12/18
what are p pi-p pi bonds?
Akshat Manral asked a question
Subject: Chemistry, asked on on 14/12/17
In group 16 crystal stability decrease due to inc in size difference then why BP inc from H2S to H2Te?
Akshat Manral asked a question
Subject: Chemistry, asked on on 14/12/17
What determines vander waal force of attraction.why it inc with size of the compound?
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