Give reasons for the following:
`N_(2)O_(5)` is more acidic than `N_(2)O_(3)`.

H_(2)S is more acidic than H_(2)O why ?

Give reason for the following: (a) p-nitrophenol is more acidic than o-nitrophenol. (b) Phenol is more reactive towards electrophilic substitution reaction than benzene.

Which of the following in true for N_(2)O_(5) -

Give reasons for the following: (CH_(3))_(3)P=O exists but (CH_(3))_(3)N =O does not.

Explain why N_(2)O_(4) is diamagnetic .

Comment on the validity of Boyle's law for the following reaction: N_(2)O_(4)(g)hArr 2NO_(2)(g) .

Give the equations for the preparation of N_(2)O from the following: NH_(3), O_(2), Pt and H_(2)O .

Which of the following oxide is the most acidic in nature? Al_(2)O_(3),SO_(2),SO_(3),P_(4)O_(10) and CO .

The initial concentration of N_(2)O_(5) in the following first order reaction N_(2)O_(5)rarr2NO_(2)(g)+(1)/(2)O_(2)(g) " was "1.24xx10^(-2)"mol.L"^(-1) at 318K. The concentration of N_(2)O_(5) after 60minutes was 0.20xx10^(-2)"mol.L"^(-1) . Calculate the rate constant of the reaction at 318K.

Give reason for the following in one or two sentences. "Acid catalysed dehydration of t-butanol is faster than that of n-butanol".