Subject: Chemistry, asked on 9/4/17

## Shape of sf2cl2

Subject: Chemistry, asked on 28/2/18

## + M and + I both effects are shown by: (A) $-\underset{..}{\overset{..}{\mathrm{O}}}\mathrm{H}$              (B) $-\stackrel{..}{\mathrm{N}}{\mathrm{HCH}}_{3}$              (C)  $-{\mathrm{O}}^{⊝}$             (D) $-\mathrm{C}{\left({\mathrm{CH}}_{3}\right)}_{3}$

Subject: Chemistry, asked on 17/10/13

## Calculate the pressure of 1x10 to the power 22 molecules of oxygen gas when enclosed in a vessel of 5L capacity at temp of 27 degree Celcius.(Ans=0.817 atm)Help please!

Subject: Chemistry, asked on 13/8/16

## Which of the following pairs are iso-structural: (1) CH3- and CH3 (2)NH4+ and BH4- (3)SO42- and BF3 (4)NH2- and BeF2

Subject: Chemistry, asked on 10/10/15

## For the reaction equilibrium, 2 NOBr(g)2 NO(g) + Br2(g) . If PBr2= P/9 at equilibrium and P is total pressure, the ratio of Kp/P is equal to (The ones marked in blue, those steps I couldn't understand , please explain it )

Subject: Chemistry, asked on 8/9/19

## Correct order of bolinge point among H2O,H2O2,D2O in decending order

Subject: Chemistry, asked on 25/1/13

## what are the applications and limitations of homologous series?

Subject: Chemistry, asked on 15/9/14

## what is the IUPAC name of CH3CH2CH(CH3)CH3

Subject: Chemistry, asked on 4/1/17

## Solve this  1. Calculate pH of mixture 200 mL of 0.2 M H2SO4 + 300 mL of 0.2 M NaOH + 200mL of 0.1 M KOH.  Ans. 7  2. Calculate the pH when 200 mL of 0.25 M H2SO4 is mixed with 200 mL of 0.2 M Ba(OH)2  .

Subject: Chemistry, asked on 30/10/16

## arrange in increasing solubility in water : Mg(OH)2 , Sr(OH)2, Ba(OH)2,​ Ca(OH)2

Subject: Chemistry, asked on 2/12/18

## Which of following is correct and why? a) (dH/dt)p-(dU/dt)v=R   (B) (dH/dt)p > (dU/dt)v    (C)(dU/dV) for ideal gas is zero   (D)all are correct

Subject: Chemistry, asked on 22/9/19

## A Cubicle container of Side 2cm contains He(Helium) gas. If one molecule make 500 collisions in 1 second. Find the temperature  of gas.

Subject: Chemistry, asked on 10/9/14

## which of the following represents most electropositive elementa- [He]2s1b-[He]2s2c-[Xe]6s1d- [Xe]6s2

Subject: Chemistry, asked on 10/12/17

## Percentage s character present in sp3d hybridised orbital is (1) 20%                 (2) 25%                  (3) 33.33%                 (4) 16.5%

Subject: Chemistry, asked on 14/2/16

## Lithium carbonate is stored in an atmosphere of CO2.  Explain giving reasons.

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