EASY
JEE Advanced
IMPORTANT
Earn 100

Write the balanced equation to show the reactions between HF and CaO.

Important Questions on Group 17 - the Halogens

MEDIUM
JEE Advanced
IMPORTANT
Write balanced equations to show the reactions between HF and KF
MEDIUM
JEE Advanced
IMPORTANT
Write the balanced equation to show the reactions between HF and CCl4.
MEDIUM
JEE Advanced
IMPORTANT
Write the balanced equation to show the reactions between HF and U.
MEDIUM
JEE Advanced
IMPORTANT
Write balanced equations to show the reactions between HF and graphite.
HARD
JEE Advanced
IMPORTANT
What are the common sources of chlorine, bromine and iodine in salts? Where do they occur and how are the elements extracted from the appropriate salts?
EASY
JEE Advanced
IMPORTANT
What are the main uses of Cl2 ?
MEDIUM
JEE Advanced
IMPORTANT
Give equations to show how the halogen acids HF, HCI, HBr and HI may be prepared in aqueous solution. Why is HF a weak acid as compared to HI  in water?
MEDIUM
JEE Advanced
IMPORTANT
HCl(g) can be prepared from NaCl and H2SO4 while HBr(g) and HI(g)
cannot be prepared in a similar way from NaBr and NaI. Explain why is this so.