The anhydride of HCIO4 is_________________?
A. Cl2O
B. Cl2O6
C. ClO2
D. Cl2O7
Chemistry Mcqs
In which compound of Xenon the oxidation state of Xenon is + 6?
In which compound of Xenon the oxidation state of Xenon is + 6?
A. XeF4
B. XeOF4
C. XeOF2
D. Na4XeO6
Which of the following is the weakest reducing agent ?
Which of the following is the weakest reducing agent ?
A. HF
B. HBr
C. HC
D. HI
Fluorine can react with_________________?
Fluorine can react with_________________?
A. Xe
B. Kr
C. Rn
D. All of the above
Which of the following statements is incorrect about halogens ?
Which of the following statements is incorrect about halogens ?
A. All are non-metals
B. All the halogens have electronic conviguration ns2p5
C. They have high electron attinity and ionization energy
D. All the halogens react with noble gases to form their halides
Which of the halogen has highest electronegativity ?
Which of the halogen has highest electronegativity ?
A. Fluorine
B. Chlorine
C. Bromine
D. Iodine
Which of the following oxides of iodine is used for quantitative analysis of CO ?
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
Bleaching powder is an example of________________?
Bleaching powder is an example of________________?
A. Normal salt
B. Double salt
C. Mixed salt
D. Complex
Which is the strongest acid ?
Which is the strongest acid ?
A. HCIO
B. HCIO2
C. HCIO3
D. HCIO4
Which of the following represents the correct electronic configuration of VII A group elements in the ground state ?
Which of the following represents the correct electronic configuration of VII A group elements in the ground state ?
A. ns2p2
B. ns2p4
C. ns2p5
D. ns2p6