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Q89) In OF2 molecule, the total number of bond pairs and lone pairs of electrons present respectively are ... [ DPMT 2002]




SOLUTION


Answer: (b)


Q90) Atomicity of sulphur in rhombic sulphur is [ kerala CEE 2001]




SOLUTION

rhombic sulphur is S8 molecule
Answer: (c)


Q91) The normality of 2.3 M H2SO4 solution is [ KCET 2000]



SOLUTION

1M H 2.3 M = 4.6 N2SO4 = 2N thus
Answer:(b)



Q92) Which of the following ions does not have S-S linkage? [ Roorkee Screening test 2000]



SOLUTION


Answer: (a)


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