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Bond energies of N-=N, H-H and N-H bonds are 945,463 & 391 kJ mol^(-1) respectively, the enthalpy of the following reactions is : N_(2)(g)+3H_(2)(g)rarr2NH_(3)(g)

Bond energies of F_(2) and Cl_(2) are respectively 36.6 and 58.0 kcal per mole. If the heat liberated in the reaction F_(2)+Cl_(2) to 2FCl is 26.6 kcal , calculate the bond energy of F-Cl bond.

Bond dissociation enthalpy of the halogens shows the trend

Bond dissociation enthalpy of H_(2), Cl_(2) and HCl are 434, 242 and 431 kJ mol^(-1) respectively. Enthalpy of formation of HCl is

Bond dissociation enthalpy of F_(2) is less than that of Cl_(2). Explain why ?

Bond dissociation enthalpy of E-H (E = element) bonds is given below. Which of the compounds will act as strongest reducing agent?

Bond dissociation enthalpy of E-H(E = element) bonds is given below: {:("Compound",NH_3,PH_3,AsH_3,SbH_3),(Delta_("diss")"(E-H)",,,,),(kjmol^(-1),389,322,297,255):} Which of the following compounds will act as strongest reducing agent ?

Bond dissociation enthalpy of E - H (E = element) bonds is given below. Which of the compounds will act as strongest reducing agent ?

Bond dissociation enthalpy of E-H (E = element) bonds is given below. Which of the compounds will act as strongest reducing agent? {:("Compound",NH_(3),PH_(3),AsH_(3),SbH_(3)),(Delta_(diss)(E-H)//kJ mol^(-1),389,322,297,255):}

Bond dissociation energy of F_(2) is less than that of CI_(2). Explain. Or F_(2) has lower bond dissociation enthalpy than CI_(2). Why ?

Bond dissociation energies of HF, HCl, HBr follow the order

Bond dissociation energies, of HF,HCI, HBr follow the order

Bond dissociation energies of HF, HCl , HBr follow the order

{:("Bond" ,"Bond dissociation energy" ("kJ mole"^(–1))),( C-I ,240 ""to "Element A"),( C-II ,328 ""to "Element B"), (C-III, 276 ""to "Element C"),( C-IV ,485 ""to "Element D"):} Elements A, B, C and D, which element has the smallest atom ?

Bond angles in SCl_(2) and OF_(2) respectively are

Bond angle is the highest in the molecule

What is the bond angle in SO_2 molecule ?

Bond angle is minimum for

Bond angle in PH_(4)^(+)is higher than that in PHz. Why?

Bond angle in PH_4^(+) is higher than that in PH_3. Why?

Bond angle in PH_(4)^(+) is higher than that in PH_(3). Why ?

Bond angle in PH_3 si closer to 90^(@) while that in NH_3 is 104.5^(@).Which of the following best explains this structural feature?

Bond angle in PH_(3) is :

Bond angle in PH4+ is higher that in PH_(3). Why?

Bond angle in O_3 molecule is :

Bond angle in is PH_4^+ higher than that inPH_3

Bond angle in (CH_(3))_(3) N is little more than the bond angle in NH_(3) . Explain.

Bond angle in alkynes is :

Bond angle in alkenes is equal to :

Bond angle, bond length and hybridisation in SO_(3) molecule respectively are

Bombardment of aluminum by alpha-particle leads to its artificial disintegration in two ways. (I) and (II) as shown. Products X, Y and Z respectively are, {:(._(13)^(27)Aloverset((ii))rarr ._(15)^(30)P + Y),((i) darr "" darr),(._(14)^(30)Si+ X"" ._(14)^(30)Si + Z):}

Bombardment of aluminium of alpha- particle leads to its artificial disintegration in two ways (i) and (ii) as shown below. Product X,Y, and Z, respectively, are ._(14)Si^(30)+Xoverset((i))larr._(13)Al^(27)overset((ii))rarr._(15)P^(30)+Y rarr ._(14)Si^(30)+Z

Bombardment of aluminium by alpha-particles lead to its artificial disintegration in two ways, (and (it) as shown. Products X, Y and Z respectively are:

Bombardment of aluminium by alpha- particles leads to its artificial disintegration in two ways , (i) and (ii) as shows . Product X , Y and Z respectively are .

Bombardment of aluminiumby alpha - particle leads to its artificial disintegration in two way (i) and (ii) as shown.Products X, Y and Z respectively are,

Boiling points of the alkyl halides decrease in the order :

Boilingpointsof the followingcompoundsfollowthe order

Boiling points of nitroalkanes are much higher than those of hydrocarbons of comparable mass - give reasons.

Boiling points of isomeric amines follow the order :

Boiling points of carboxylic acids are:

Why B.P. of aldehydes and ketones are lower than corresponding alcohols ?

Boiling points of aldehydes and ketones are higher than that of ethers of comparable molar masses due to

Boiling points of alcohols are generally high. This is due to

Boiling point of water is defined as the temperature at which:

Boiling point of water at 750 mm Hg is 99.63^(@)C. How sucrose is to be added to 500 g of water such that it boils at 100^(@)C. Molal elevation constant for water is 0.52 K kg mol^(-1).

Boiling point of water at 750mm Hg is 99.63^@C How much sucrose is to be added to 500g of water such that it boils at 100^@C K_b(water)= 0.52K kg mol^(-1)

Boiling point of water at 750 mm is 99.63^@ C. How much of sucrose is to be added to 500 g of water so that it boils at 100^@ C. (K_b =0.052 )

Boiling point of water at 750 mm Hg is 99.63^@C . How much sucrose is to be added to 500 gof water such that it boils at 100^@C ? [Molal elevation constant of water is 0.52 K kg "mol"^(-1) ]

Boiling point of water at 750 mm Hg is 99.63^(@)C. How much sucrose is to be added to 500 g of water such that it boils at 100^(@)C? Molal elevation constant for water is "0.52 K kg mol"^(-1).

Boiling point of phosphine is higher than that of ammonia.