Q1.
When Cl2 is reacted with hot and conc. caustic soda. The product formed is
📅IOM 2007
Q2.
In the reaction: CH3CH2OH + HX → CH3CH2X + H2O. Where X is Cl, Br, I. The order of reactivity of HCl, HBr and HI in the reaction is
📅IOM 2007
Q3.
To obtain HI from Iodine which reagent is used?
📅IOM 2003
Q4.
Which of the following is the strongest acid?
📅IOM 1999•MOE 2001
Q5.
Antichlor is
📅IOM 1997
Q6.
Deacon's process is employed for the manufacture of
📅BPKIHS
Q7.
Which of the following compounds has the highest boiling point?
📅BPKIHS
Q8.
Chlorine acts as a bleaching agent only in
📅BPKIHS
Q9.
Which of the following is most volatile?
📅IOM 1994
Q10.
Which of the following halogen has the maximum value of electron affinity?
📅IE
Q11.
Sea water is employed as a source of manufacture of
📅MOE 2063
Q12.
Pick out the correct statement?
📅MOE 2056
Q13.
HCl can be prepared in conc. H2SO4 but HBr cannot be prepared in presence of conc. H2SO4 because
📅MOE 2055•KU 2004
Q14.
KI reacts with which of the following to liberate iodine.
📅MOE 2054
Q15.
Which of the following can yield bromine from KBr?
📅KU 2002
Q16.
During preparation of Cl2 from HCl, MnO2 acts as
📅KU 2002
Q17.
Which of the following is most metallic
📅IE 2002
Q18.
If the valance shell electronic structure for an element is ns2np6, then the element belongs to the group of
📅Indian Embassy 2002
Q19.
Sea weeds are important source of
📅IOM
Q20.
Chlorine gas is evolved by the action of
📅MOE
Q21.
Silver halide which is least soluble in NH4OH is
📅MOE•KU
Q22.
Bleaching powder is an example of
📅BPKIHS
Q23.
Excess of Cl2 reacts with NH3, products formed are
📅IOM
Q24.
KI and CuSO4 solution when mixed it gives
📅BPKIHS•MOE
Q25.
The strongest oxidizing agent is
📅MOE
Q26.
Tincture of iodine is
📅IE