Content protected from screenshots
GKFix.in
Current Affairs
General Knowledge
Categories
Concept Builder Quiz
About Us
Start Quiz
GKFix.in
Home
Current Affairs
General Knowledge
Categories
Concept Builder Quiz
Start Quiz
GKFix MCQ Question
Test your knowledge and learn something new
Home
P BLOCK ELEMENTS
Question #37771
Back to Home
View All P BLOCK ELEMENTS Questions
20 Views
Question
Based on the data in Table 7.7, what is the standard enthalpy of formation (△fH) for H2Se?
A. −286 kJ mol⁻¹
B. −20 kJ mol⁻¹
C. +73 kJ mol⁻¹
D. +100 kJ mol⁻¹
Check Answer
Share on Twitter
Share on Facebook
Copy Link
Related Questions
In the reaction 2NO2 ⇌ N2O4, what happens to the colour of the mixture when it is heated?
21
What is the primary purpose of recycling the NO gas produced in the Ostwald process?
19
Why does water (H₂O) exist as a liquid at room temperature, unlike hydrogen sulfide (H₂S)?
22
How many undergraduate admissions were confirmed by Delhi University in the second round of seat all...
(Current Affairs)
40
Which Indian cricketers made a comeback in the first ODI against Australia on October 19, 2025?
(Current Affairs)
33