Questions asked by Aditya Banerjee.

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• Which of the arrangements of Bond Order is correct for the following?
  
• What's the procedure of adding a certain image from the web ? Thank you!
  
• Please help me in this, how to do it?
  
• How to do it?
  
• What is the number of distinct primes dividing 12! + 13! +14! ?
  
• A bulb of resistance R=16 ohms is attached in series with an infinite resistor network with identical resistances r ohms. A 10 V battery drives current in the circuit. What should be the value of 'r' such that the bulb dissipates about 1 W of power?
  
• Please help me in this. How to do it?
  
• A rigid body in the shape of a 'V' has two equal arms made of uniform rods. What must be the angle between the two rods so that when the body is suspended from one end, the other end is horizontal?
  
• What is carbonation? Please explain in details. Thank you :)
  
• What is inductive effect? Please explain in details. Thank you :)
  
• In spite of having positive charge on the ions # H_3O^+# as well as #NH_4^+#, why are they not considered as electrophiles?
  
• What is carbanion? Please explain with mechanisms along with the respective bond fission? Thank you :)
  
• What is the value of the sum: #(1^2)+(1^2+2^2)+(1^2+2^2+3^2)+............#upto n terms? Thank you!
  
• What is the value of the sum of the sequence: #1+5+14+30+...........# upto n terms? Thank you!
  
• How many real solutions do the equation #sin(e^x)-5^x-5^(-x)=0# have? Thank you!
  
• Is the value of #(x-1)(x-2)(x-3)(x-4)+5#, positive, negative or zero? Thank you!
  
• For a certain equation, #a, b, c# belongs to real numbers. #ab > 0# and #a+2b+4c=0#. Then, the equation #ax^2+bx+c=0# has what kind of roots (one +ve & one -ve, both +ve or both -ve) ? Thank you!
  
• In 1 ltr. saturated solution of #AgCl(K_"sp"=1.6xx10^(-10))#, #0.1# mol of #CuCl(K_"sp"=1.0xx10^(-6))# is added. What is the resultant concentration of #Ag^+# in the solution in molarity?
  
• An equilibrium mixture of 2 moles each of #PCl_5#, #PCl_3# and #Cl_2# in V ltrs. in T temp. has a total pressure of 3 atm. #Cl_2# is added at the same temp. and pressure till the volume is doubled. What is the number of moles of #Cl_2# added? Thank you:)
  
• What volume of #10^(-3)M# HCl should be added to 1000 ml. of #10^(-3)M# NaOH, so that #pH# is reduced by 1 unit? Thank you:)
  
• A solution is prepared by mixing 16ml. of 2.5M #HCl# and 40ml. of 2M #NH_4OH#. What will be the #pH# of the solution if #pK_b# is 4.75? Thank you:)
  
• The #pH# of 0.05M aqueous solution of diethylamine is 12. What will be it's #K_b#? Thank you:)
  
• #K_a# for #HCN# is #5xx10^(-10)# at a certain temperature. For maintaining a constant #pH# of #9#, what is the volume of #5M KCN# solution required to be added to #10#ml. of #2M HCN#?
  
• 'Answers' of some 'answered questions' are often not found when the question is opened later. Why does this happen? Thank you.
  
• What is the solubility of #AgBr# in a solution of #AgBr# and #AgSCN#? Given #rarr# #K_("sp AgSCN") =10^(-12)# #K_("sp AgBr")=5xx10^(-13)# Thank you:)
  
• Bromophenol blue is an indicator with a #K_a=5.84xx10^(-5)#. What is the #%# of indicator in it's basic form at a #pH=4.84#? Given, #log(5.84)=0.7664# & antilog of #0.6064# is #4.04#. Thank you:)