1966 Views
The first ionisation enthalpies of Na, Mg, Al , And Si, are in the order:
Answer (1)
The correct answer to this question is Na < Mg > Al < Si
Despite the regular trend that Ionisation enthalpy increases with size, we see here except in case of Mg it is because of the fact that it has a stable electronic configuration with 3s completely filled in the ground state, which accounts for the above order.
Related Questions
Chandigarh University Admissi...
Apply
Ranked #1 Among all Private Indian Universities in QS Asia Rankings 2025 | Scholarships worth 210 CR
Amity University, Noida Law A...
Apply
700+ Campus placements at top national and global law firms, corporates, and judiciaries
UPES | BBA Admissions 2025
Apply
#41 in NIRF, NAAC ‘A’ Grade | 100% Placement, up to 30% meritorious scholarships | Last Date to Apply: 28th Feb
MAHE Manipal M.Tech 2025
Apply
NAAC A++ Accredited | Accorded institution of Eminence by Govt. of India | NIRF Rank #4
Sanskriti University LLM Admi...
Apply
Best innovation and research-driven university of Uttar Pradesh