Biomolecules — Chemistry STD 12 — Question

Assertion(A): Carboxylic acids have higher boiling point than aldehyde and ketone of comparable molecular mass.
Reason (R): This is due to more association of carboxylic acid. Molecules through intermolecular hydrogen bonding.

Consider the following statement.
(i) In ionisation of cyclopropane, if the concentration of cyclopropane is reduced half, the rate increases twice.
(ii) The rate of the reaction depends upon the concentration of the reactant.
(iii) Order values must be determined experimentally.
Which of the above statement (s) is / are not correct?

Find the odd one out.

Which of the following is the strongest conjugate base?

What is the pH of the resulting solution when equal volumes of 0.1 M NaOH and 0.01 M HCl are mixed?

Amino group can be directly converted into nitro group by ………….

Mercury sol is obtained by subjecting it to sound waves of frequency more than ………..