Assertion (A): Sodium metal is stored in kerosene
Reason (R): The density of sodium is less than water
A and R are true and R is the correct explanation of A
A and R are true and R is not the correct explanation of A
A is true, R is false
A is false, R is true
Sodium does not react with kerosene but floats and react with water
Assertion (A): Solvay process is used for the preparation of NaHCO3 but not for KHCO3
Reason (R): Solubility of KHCO3 is more than NaHCO3 in water
Assertion––––––––––– (A): The boiling point of HF is higher than that of H2O. Reason–––––––– (R): The hydrogen bond strength in HF is lower than that in H2O.
Assertion (A): Electrophilic substitution reactions takes place in phenol than in nitro benzene
Reason (R): Hydrogen bonding is present in phenol but not in nitrobenzene
Assertion (A): Sulphanilic acid exists as dipolar ion where as p - amino benzoic acid does not
Reason (R): Carboxy group being more acidic than - SO3H group can easily transfer a H+ to the amino group