MCQ
Metallic nature and basic nature of the oxides ........ as we move along a period
- AIncreases
- ✓Decreases
- CFirst increases then decreases
- DRemains constant
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
$H _{2} F _{2( g )} \rightarrow H _{2( g )}+ F _{2( g )}$
$\Delta U =-59.6\,kJ\,mol ^{-1} \text { at } 27^{\circ}\,C$.
The enthalpy change for the above reaction is (-) $kJ mol ^{-1}$ [nearest integer] Given : $R =8.314\,JK ^{-1}\,mol ^{-1}$
