Related InterviewSolutions

• Concentrated `H_(2)SO_(4)` cannot be used to prepare HBr from NaBr , because it ,A. HBr oxidises `H_2SO_4`B. HBr reduces `H_2SO_4`C. HBr undergoes disproportionationD. KBr reacts very slowly
• In the reaction `3Br_(2) + 6CO_(3)^(2-) + 3H_(2)O to 5Br^(-) + 2BrO_(3)^(-)+6HCO_(3)^(-)`A. Bromine is oxidised and carbonate is reducedB. Bromine is both oxidised and reducedC. Bromine is reduced and water is oxidisedD. Bromine is neither oxidised nor reduced
• Assertion :`I_2` is less soluble in Kl(aq) than in pure water Reason : Common ion effect reduces the solubility.A. Both A and R true and R is the correct explanation of AB. Both A and R true and R is not a correct explanation of AC. A is true but R is falseD. Both A and R is false
• If `I_2` is dissolved in aqueous KI, the intense yellow species `I_3^-` is formed. The structure of `I_3^-` ion isA. square pyramidalB. trigonal bipyramidalC. octahedralD. pentagonal bipyramidal.
• Which of the following cannot work as oxidizing agent ?A. `O_2`B. `KMnO_4`C. `H_2O_2`D. `I^-`
• Chlorine cannot displaceA. Fluorine from NaFB. Iodine from NalC. Bromine from NaBrD. None of the above.
• Assertion (A): `I_(2)` can displace `CI_(2)` from `NaCIO_(3)`. Reason (R ): I is more electronetgative than CI.A. Both A and R true and R is the correct explanation of AB. Both A and R true and R is not a correct explanation of AC. A is true but R is falseD. A is false but R is true
• Covalent bonding of halogen is alwaysA. `pi` bondingB. `delta` bondingC. `sigma` bondingD. None of these
• Which halogen does not show +7 oxidation state?A. ChlorineB. BromineC. IodineD. Fluorine
• The general electronic configuration of the outermost orbit in halogen isA. `s^2p^6`B. `s^2p^5`C. `s^2p^4`D. `s^2p^3`