Chemical Bonding · JEE Main previous year questions

2017 3 questions

1. Q812017 · 9 Apr 2017 · Shift 1
   
   1. A.(I)
   2. B.(II)
   3. C.(III)
   4. D.(IV)
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   Answer: A

2. Q692017 · 8 Apr 2017 · Shift 1

   Which of the following is paramagnetic ?

   1. A.$\mathrm{N}{\mathrm{O}}^{+}$
   2. B.$\mathrm{CO}$
   3. C.$O_2^{2-}$
   4. D.${\mathrm{B}}_2$
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   Answer: D

3. Q712017 · 8 Apr 2017 · Shift 1

   $\mathrm{s}{\mathrm{p}}^3{\mathrm{d}}^2$ hybridization is not displayed by :

   1. A.$\mathrm{Br}{\mathrm{F}}_5$
   2. B.$\mathrm{S}{\mathrm{F}}_6$
   3. C.$[\mathrm{Cr}{\mathrm{F}}_6{]}^{3-}$
   4. D.$\mathrm{P}{\mathrm{F}}_5$
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   Answer: D