What is the effective electrophile in the nitration of benzene with mixed acid ? How is it generated ? Write down the mechanistic steps of the reaction.

What is effective electrophile in the nitration of benzene with mixed acid? How is it generated? Write down the mechanistic steps of the reaction.

What is the electrophile involved in nitration reaction ?

Give the mechanism steps of the nitration reaction of benzene and explain it.

Which is the rate-determining step of the electrophilic substitution reaction of benzene and why ?

What is the effect of temperature on the constant of reaction ? How can this temperature effect on the constant be represented quantitatively ?

What is producer gas? Write down the reactions for the production of this gas.

3A+2B+CtoCtoD+E . For the given reaction, the relative order of the reaction with respect to A, B and C are one, two and zero respectively. Write down the rate of the reaction in differential form. What would be rate of reaction if concentration of A, B and C are doubled?

How is benzene sulphonic acid prepared from benzene ? Describe the corresponding reaction mechanism.

What do you mean by isoelectic point of an animo acid? Write down the structure formula of alanine at pI.

What is step up reaction? Give example. How woruld you separate Benzene from aniline?