Classification of Elements and Periodicity in Properties / तत्त्वों का वर्गीकरण एवं गुणों में आवर्ति
JEE Main & Advanced
Chemistry
Classification of Elements and Periodicity in Properties / तत्त्वों का वर्गीकरण एवं गुणों में आवर्ति
Question Bank
Valency and oxidation state
question_answer
Which of the following halogen acids is least acidic [RPET 2003]
A)HI
B)HCl
C)HF
D)HBr
Correct Answer:
C
Solution :
\[HF\] is least acidic due to the small size of fluorine.