Assertion (A): Boiling point of (C2H5)2NH is lower n-C4H9NH2. Reason (R): Hydrogen bonding is much more extensive in (C2H5)2NH as compared to n-C4H9NH2.
Assertion (A): Boiling point of (C2H5)2NH is lower than that of n-C4H9NH2.Reason (R): Hydrogen bonding…
Assertion (A): Actinoid contraction is greater from element to element than lanthanoid contraction. Reason (R): Actinoids show wide range of oxidation states.
Assertion (A): Actinoid contraction is greater from element to element than lanthanoid contraction.Reason (R): Actinoids…
alpa -D-glucose and ẞ-D-glucose differ from each other with respect to the:
alpa -D-glucose and ẞ-D-glucose differ from each other with respect to the:(A) size of the…
In the Arrhenius equation k = Ae En/RT, ‘A’ represents :
In the Arrhenius equation k = Ae En/RT, ‘A’ represents :(A) effective collisions(B) frequency factor(C)…
The primary and secondary valences of Co in [Co(en)3]Cl3 respectively are:
The primary and secondary valences of Co in [Co(en)3]Cl3 respectively are:(A) 3,3(B) 0,3(C) 6,3(D) 3,6…
We cannot measure the resistance of an ionic solution using DC because:
We cannot measure the resistance of an ionic solution using DC because:(A) it changes the…