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Catalogs Discussion Forums -> Organic Chemistry -> stereoisomerism -> Go to message
This Post 0 points    (Olaaa!! Perrrfect answer.   in 0 votes )   [?]

q1. pls explain what is mesomer and diastereomers?

Catalogs Discussion Forums -> Vectors -> 3-d -> Go to message
This Post 0 points    (Olaaa!! Perrrfect answer.   in 0 votes )   [?]

the equation  of the plane through  the points (2,2,1) and (9,3,6) and perpendicular to the plane  2x+6y+6z-1=0 is

a.3x+4y+5z=9                   b.3x+4y-5z=9

c.3x+4y-5z-9=0                 d.none

Catalogs Discussion Forums -> Vectors -> 3-d -> Go to message
This Post 0 points    (Olaaa!! Perrrfect answer.   in 0 votes )   [?]

the equation  of the plane through  the points (2,2,1) and (9,3,6) and perpendicular to the plane  2x+6y+6z-1=0 is

a.3x+4y+5z=9                   b.3x+4y-5z=9

c.3x+4y-5z-9=0                 d.none

Catalogs Discussion Forums -> Vectors -> 3-d -> Go to message
This Post 0 points    (Olaaa!! Perrrfect answer.   in 0 votes )   [?]

q1.  the distance from the pt. -i+2j+6k to the straight line through the point (2,3-4)and parallel the  vector 6i+3j-4k.

a.7                  b.10                 c.9                    d.none of these   

pls reply fast goiitians ! rate assured....

Catalogs Discussion Forums -> Inorganic Chemistry -> question 3 -> Go to message
This Post 0 points    (Olaaa!! Perrrfect answer.   in 0 votes )   [?]

 

q3. how to identify that which of the following atom will not have  alone pair of electron?

a.N*ocl    b.S*o2cl2         c.S*ocl2         d.S*o2

Catalogs Discussion Forums -> Inorganic Chemistry -> question2 -> Go to message
This Post 0 points    (Olaaa!! Perrrfect answer.   in 0 votes )   [?]

 

q2.gold number of starch is 25.amount of starch that should be added to 100ml of gold solution in the presence of 1ml of 10% of nacl will be

a. 250g             b.0.025g          c.0.25g                  d.none of these

Catalogs Discussion Forums -> Inorganic Chemistry -> OXIDATION NUMBER -> Go to message
This Post 5 points    (Olaaa!! Perrrfect answer.   in 1 votes )   [?]

frd, the answer is 2 bcoz

x+0+0-2=0

x=2

Catalogs Discussion Forums -> Inorganic Chemistry -> question -> Go to message
This Post 0 points    (Olaaa!! Perrrfect answer.   in 0 votes )   [?]

q1.the maximum and the minimum ionic character from licl, rbcl, becl2, mgcl2. pls give the full explanation.

 

q2.gold number of starch is 25.amount of starch that should be added to 100ml of gold solution in the presence of 1ml of 10% of nacl will be

a. 250g             b.0.025g          c.0.25g                  d.none of these

 

q3. how to identify that which of the following atom will not have  alone pair of electron?

a.N*ocl    b.S*o2cl2         c.S*ocl2         d.S*o2

Catalogs Discussion Forums -> Inorganic Chemistry -> find the hybridization of sncl2 -> Go to message
This Post 0 points    (Olaaa!! Perrrfect answer.   in 0 votes )   [?]

the hybridisation of sncl2 is sp2

Catalogs Discussion Forums -> Physical Chemistry -> molecular orbital theory -> Go to message
This Post 0 points    (Olaaa!! Perrrfect answer.   in 0 votes )   [?]

explain the molecular orbital theory with example. also write the configuration of c,o2,o2+,o2-. . what is the difference in the configuration of carbon and  oxygen?why?

pls try to explain in short not in big paras!!!!

thanx, waitin 4 reply............

Catalogs Discussion Forums -> Algebra -> p n c -> Go to message
This Post 0 points    (Olaaa!! Perrrfect answer.   in 0 votes )   [?]

how dude, pls give full working!

Catalogs Discussion Forums -> Algebra -> probabaility -> Go to message
This Post 0 points    (Olaaa!! Perrrfect answer.   in 0 votes )   [?]

if a and b r the two independent events such thst p(a' intersection b)=2/15 and p(a intersection b')=1/6 then p(b') is

a.1/5        b.1/6              c.4/5          d.5/6

Catalogs Discussion Forums -> Algebra -> p n c -> Go to message
This Post 0 points    (Olaaa!! Perrrfect answer.   in 0 votes )   [?]
pls do this in both the way a.if repetition is allowedb.if repetition is not allowed
Catalogs Discussion Forums -> Algebra -> p n c -> Go to message
This Post 0 points    (Olaaa!! Perrrfect answer.   in 0 votes )   [?]

using the digit  3,5,6,0 how many four digit no. can be formed and what is the sum of all the no.?

Catalogs Discussion Forums -> Organic Chemistry -> analysis -> Go to message
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 what is the kjeldahl method?

   pls reply fast.............

Catalogs Discussion Forums -> Electricity -> What is a capacitor -> Go to message
This Post 0 points    (Olaaa!! Perrrfect answer.   in 0 votes )   [?]

capacitor is device which is use to store charge.

c=q/v   s.i.unit  farad

Catalogs Discussion Forums -> Algebra -> how to check reflexive sumetric and transitive my confusion is suppose a set is -> Go to message
This Post 0 points    (Olaaa!! Perrrfect answer.   in 0 votes )   [?]

for reflexive  aRa or bRb should be there

and for transitive the condition should be aRc , bRc then aRb

Catalogs Discussion Forums -> Algebra -> concyclic -> Go to message
This Post 0 points    (Olaaa!! Perrrfect answer.   in 0 votes )   [?]

if the points (0,0),(1,0),(0,1)and (t,t) r concyclic then t =

a.-1      b.1      c.2        d.-2

 

    is equal to

1.f(x)/g'(x)      2.f'(x)g(x) - f(x)g'(x)

3.f(x)g'(x) -. f'(x)g(x)            4.f'(x)g(x) + f(x)g'(x)

 

pls do this goiitians !rating assured

Catalogs Discussion Forums -> Physical Chemistry -> 0.66g of a metal was deposited when a current of 2 amperes is passed through a metal ion.. -> Go to message
This Post 0 points    (Olaaa!! Perrrfect answer.   in 0 votes )   [?]

as we know,

w/e=q/f  i.e. gram equivalent is equal to the no of faraday  ( from faraday 1,2 law)

w=weight , e=equivalent weight  q=charge,    f= faraday

using this formula we can find the equivqlent weight , 0.66/e=2*100/96500 , e=318.5

now we know that electrochemical equivalent (z) is given by  e/f=318.5/96500=.0033

                                                                                                                                 z=3.3*10-3

Catalogs Discussion Forums -> Vectors -> the work done by the force F-->= i-->+j-->+k-->acting on a particle,if the particle is displaced fro -> Go to message
This Post 2 points    (Olaaa!! Perrrfect answer.   in 1 votes )   [?]

work done is f.ds...............(1)

force is i+j+k

and the work is done from pt a (3,3,3) to b (4,4,4)

from 1, ds represent the change in displacemant ,therefore ds=(4-3)i+(4-3)j+(4-3)k =i+j+k

again from 1,  w=f.ds

                              (i+j+k)(i+j+k)=1+1+1=3

 
 
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