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If we take 44g of CO_(2) and 14g of N_(2) what will be mole fraction of CO_(2) in the mixture

If period number and grou number of any representative element(s) are same then which of the following statement is incorrect regarding such type element(s) in their ground state? (period number and group number are according to modern form of periodic table)

If pH in the cathode compartment of the galvanic cell Zn|Zn^(2+)||H^(+)|H_(2)["g, P (1 atm)"] Pt is increased, then -

If pentane is used as fuel cell then it's Gibb's free energy change is expressed is …... (E^@ = 1.23V)

If we plot a graph between log K and (1)/(T) by Arrhenius equation , the slope is

If PD vs P (where P si pressure in atm and D is density in gm/lit). Is plotted for H_(2) ideal gas at a particular temperature. If [(d(PD))/(dP)]_(P = 8.21 "atm") = 10, then the temperature will be

If we mix a pentavalent impurity in a crystal lattice of germanium, what type of semiconductor formation will occur?

If PCl_5is heated to 250^@Cand allowed to reach equilibrium, 50% of PCl_5isdissociated. Calculate how many moles of Cl_2must be mixed with one mole of PCl_5to reduce the dissociation to 40%, volume remaining constant.

If we mix 50 ml 0.2 M FeCl_(3) and50 ml 0.4 M NaOH, then what mass of Fe(OH)_(3) (in gm) will precipitale.

If we know the equilibrium constant for a particular reaction, we can calculate the concentrations in the equilibrium mixture from the initial ocncentrations. Commonly only the initial concentration of reactants are given. In above prolem, what is K_(p) at the temperature of the experiment.

If P to T are second period p-block elements then which of the following graph show corrrect relation between valence electrons in P_(2) to T_(2)

If we consider that (1)/(6), in place of (1)/(12), mass of carbon atoms is taken to be relative atomic mass unit, the mass of one mole of a substance will

If we consider that 1//6, in place of 1//12, mass of carbon atom is taken to be the relative atomic mass unit, the mass of one mole of a substance will.

If P_0 and P_delta are the vapour pressure of solvent and solution respectively and N_1 and N_2 are the mole of solute and solvent then:

If we consider that 1/6 in place of 1/12, mass ofcarbon atom is taken to be the relative atomic mass unit, the mass of one mole of a substance will

If P, Q, R and S are elements of 3rd period of p-block in modern periodic table, among these one element is metal and rest are non-metals and their order of electronegativity is given as: P lt Q lt R lt S Q. Chloride compound of which element is hypovalent?

Ifwater pollution continues at its present rate, if will eventually

If P, Q, R and S are elements of 3rd period of p-block in modern periodic table, among these one element is metal and rest are non-metals and their order of electronegativity is given as: P lt Q lt R lt S Which element is expected to form amphoteric oxide?

If water contains dissolved calcium hydrogencarbonate, out of soaps and synthetic detergents, which one will you use for cleaning clothes ?

If P, Q, R and S are elements of 3rd period of p-block in modern periodic table, among these one element is metal and rest are non-metals and their order of electronegativity is given as: P lt Q lt R lt S Q.

If water contains dissolved calcium hydrogencarbonate, which out of soap and detergent, will you prefer to use ? Why ?

If water is boiled for sometime it becomes free from:

If p^(@) and p_(s) are the vapour pressures of the solvent and its solution respectively and N_(1) and N_(2) are the mole fractions of the solvent and solute respectively, then

If water contains dissolved calcium hydrogencarbonate, out of soaps and synthetic detergents which one will you use for cleaning clothes ?

If water contains dissolved calcium hydrogen carbonate (or Ca^(2+) ions), out of soaps and synthetic detergents , which one will you use for cleaning clothes ?

If water contains dissolved calcium bicarbonate, out of soaps and synthetic detergents which one will you use for cleaning clothes ?

If oxygen is attached to a secondary carbon, the compound is known as :

If W is the amoung of work done by the system and q is the amount of heat supplied to the system, identify the type of the system.

If osmotic pressure of a solution at 27^(@)C is 0.82 bar, what will be molarity of solution ?

If values of Lambda_(0) of NH_(4)Cl , NaOH and NaCl are 130 , 127 and 109 Omega^(-1) cm^(2) eq^(-1) respectively . The Lambda_(NH_(4)OH)^(@) inOmega^(-1) cm^(2) eq^(-1) is

If osmotic pressure of an aqueous solution of sucrose having concentration of 34.2 gm/litre at 17^(@)C is 2.38 atmosphere, then ……….. gm / mL glucose is isotonic with solution.

If orange turbidity appears ondilutionwith H_(2)O of the solutionin dil HCl , it isdue to (a) ___and (b) _____ ion is assumed confirmed.

If van't Hoff factor is less than unity, this shows that the solute undergoes ……………..in the solution.

if value of spin quantum number(s)=-1//2,0,+1//2 then calculate number of groups in the new form of periodic table if all other rules of electronic configurations are remain same.

If orange-red colour is absorbed from white light, the observed colour is

If V_(1) mL of a gas at 37^(@)C and 1.2 atm pressure contains N_(1) molecules and V_(2) ml of the gas contains N_(2) molecules at the same temperature and pressure, then :

If order of reaction ,A+Boverset(hv)rarrABis zero .If means that :

The u_(rms) of a gas at 300K is 3R^(1//2) The molar mass of the gas in kg mo1^(-1) is .

If O.P. of 1M of the following in water can be measured, which one will show the maximum O.P. ?

If orange -red colour is absorbed from white light, the observed colour is :

If one third HI decomposes at a particular temperature: K_c for 2HI hArr H_2+ I_2 is :

If one strand of the DNA has the sequence 'ATGCTTGX, then the sequence of complementary strand would be

If one strandof the DNAhas thesequence' ATGCTTGA' ,thenthe sequence of complementarystrand would be ………… .

If one strand of DNA has the sequence ATGCTTGA, the sequence in the complimentary strand would be

If one of the strands of DNA has the following sequence of bases in the 5'-3' direction : 5'-G-A-A-T-A-C-C-G-G-T-A-3' (i) What is the sequence of bases in the complementary strand ? (ii) Which base is closest to the 5'-end in the complementary strand ?

If one of the strands of DNA has the following sequence of bases running in the 5'-3' direction : 5'-G-G-A-C-A-A-T-C-T-G-C-3' (i) What is the sequence of bases in the complementary strand? (ii) Which base is closest to the 5'-end in the complementary strand.

If orange turbidity appears ondilutionwith H_(2)O of the solutionin dil HCl , it isdue to (a) _and (b) ___ ion is assumed confirmed.