JEE, NEET, Foundation & CBSE

Compound P on treatment with CH₂N₂ (diazomethane) produces compound Q. Compound Q on reaction with HI produces two alkyl iodides R and S. Alkyl iodide S with hither number of carbon atoms on reaction with KCN followed by hydrolysis gives 3-methylbutanoic acid. The compound P is
  1. 1-butanol
  2. 2-butanol
  3. 2-methyl-2-propanol
  4. 2-methyl-1-propanol
Wavelength of slow moving neutrons is about
  1. 10-34 m
  2. 10-20 m
  3. 10-19 m
  4. 10-10 m
 Number of oscillations per unit time is
  1. Amplitude
  2. Wavelength
  3. Frequency
  4. Period
The following compounds are heated (i) KNO₃, (ii) Cu(NO₃)₂, (iii) Pb(NO₃)₂, (iv) NH₄NO₃ which of the following statement is/are correct
  1. (iv) liberate N₂O
  2. (ii) and (iii) liberate NO₂
  3. (i), (ii) and (iii) liberate O₂
  4. All statements are correct
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