-
mnsoomro
Posts
Which of the halogen has highest electronegativity ?
A. Fluorine B. Chlorine C. Bromine D. Iodine Submitted by :- Jamil Ahmed
Which of the following oxides of iodine is used for quantitative analysis of CO ?
A. I2O4 B. I4O2 C. I2O5 D. All are equally useful Submitted by :- Jamil Ahmed
Bleaching powder is an example of________________?
A. Normal salt B. Double salt C. Mixed salt D. Complex Submitted by :- Jamil Ahmed
Which is the strongest acid ?
A. HCIO B. HCIO2 C. HCIO3 D. HCIO4 Submitted by :- Jamil Ahmed
Which of the following represents the correct electronic configuration of VII A group elements in the ground state ?
A. ns2p2 B. ns2p5 C. ns2p4 D. ns2p6 Submitted by :- Jamil Ahmed
Which one of the following is the weakest acid in water__________________?
A. HF B. HCI C. HBr D. HI Submitted by :- Jamil Ahmed
Which of the following statements is incorrect about fluorine_______________?
A. fluorine is restricted to -1 oxidation state B. fluorine follows octet rule and as well as extended octet rule…
The colour of chlorine gas is_______________?
A. pale yellow B. greenish yellow C. reddish brown D. grayish black Submitted by :- Jamil Ahmed
Which one of the following halogens is present in Teflon________________?
A. I2 B. Br2 C. Cl2 D. F2 Submitted by :- Jamil Ahmed
Removal of CO2 is called_____________________?
A. carboxylation B. decarboxylation C. esterification D. hydroxylation Submitted by :- Jamil Ahmed